Re: [linux-dvb] Nova-T 500 issues - losing one tuner

Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Jonas Anden]

I have a hunch about this problem...

I had this problem (I tink 3 times last weekend) after initially
updating my hg tree and recompiling the modules. I then turned on full
debugging for the dib0700 module in order to try to see what happens
when it goes wrong, but with full debugging on I haven't been able to
reproduce the problem. I ran with full debugging on from monday to
saturday and *really* tried to make it go away. I tried starting all
tuners at once (ie scheduling three programs with the same start time),
I tried running long recordings, I tried running plenty of retuning, and
I tried doing it "my normal way" of a few recordings a day. Nothing made
the tuner die.

So yesterday, I finally gave up in trying to cause the problem. I turned
debugging back off, and this morning one of the tuners is dead again
(MythTV stopping at "L__" instead of proceeding to "LMS".)

The *ONLY* change I have made is changing the debugging setting.

This, in combination with the fact that some people see it and some
don't, leads me to believe that this is timer-induced. Something can't
keep up. Adding debugging makes the operations slightly slower (the
module needs to do additional IO to speak to syslogd), and this delay
seems to be enough to keep it operational.

I don't think this has anything to do with the remote since I have the
RC feature disabled (I'm using an M$ MCE remote instead).

I set it up with full debugging (options dvb_usb_0700 debug=15). This
will cause a whole bunch of logging in the system logs, but appears to
keep the tuner alive. I have now changed the debug setting to 1 (only
'info' type messages) to see if that also keeps the tuner alive.

My system has a 3.3 Ghz Celeron processor. Shaun, Ben, Nicolas -- what
kind of systems are you running? If my hunch is correct, I'd expect
Shaun and Ben to have faster processors than Nicolas since they are
seeing this issue and Nicolas isn't.

  // J

On Sat, 2008-02-02 at 10:20 +0000, Shaun wrote:
> On Friday 01 February 2008 21:43:51 Nicolas Will wrote:
> > On Fri, 2008-02-01 at 21:07 +0000, Ben Firshman wrote:
> > > Feb  1 20:52:04 mythtv kernel: [   11.072000] dvb-usb: found a
> > > 'Hauppauge Nova-T 500 Dual DVB-T' in cold state, will try to load a
> > > firmware Feb  1 20:52:04 mythtv kernel: [   11.132000] dvb-usb:
> > > downloading firmware from file 'dvb-usb-dib0700-1.10.fw'
> > > ...
> > > Feb  1 20:52:04 mythtv kernel: [   11.844000] dvb-usb: found a
> > > 'Hauppauge Nova-T 500 Dual DVB-T' in warm state.
> > > Feb  1 20:52:04 mythtv kernel: [   11.844000] dvb-usb: will pass the
> > > complete MPEG2 transport stream to the software demuxer.
> > > Feb  1 20:52:04 mythtv kernel: [   11.844000] DVB: registering new
> > > adapter (Hauppauge Nova-T 500 Dual DVB-T)
> > > Feb  1 20:52:04 mythtv kernel: [   11.956000] DVB: registering frontend
> > > 1 (DiBcom 3000MC/P)...
> > > ...
> > > Feb  1 20:52:04 mythtv kernel: [   12.500000] dvb-usb: will pass the
> > > complete MPEG2 transport stream to the software demuxer.
> > > Feb  1 20:52:04 mythtv kernel: [   12.500000] DVB: registering new
> > > adapter (Hauppauge Nova-T 500 Dual DVB-T)
> > > Feb  1 20:52:04 mythtv kernel: [   12.508000] DVB: registering frontend
> > > 2 (DiBcom 3000MC/P)...
> > > Feb  1 20:52:04 mythtv kernel: [   13.068000] input: IR-receiver inside
> > > an USB DVB receiver as /class/input/input2
> > > Feb  1 20:52:04 mythtv kernel: [   13.068000] dvb-usb: schedule remote
> > > query interval to 150 msecs.
> > > Feb  1 20:52:04 mythtv kernel: [   13.068000] dvb-usb: Hauppauge Nova-T
> > > 500 Dual DVB-T successfully initialized and connected.
> > >
> > > Got the tree from the day of your message, and I'm still having
> > > problems. I'm not the only one either:
> > >
> > > http://www.linuxtv.org/pipermail/linux-dvb/2008-January/022629.html
> > >
> > > Thanks
> > >
> > > Ben
> > >
> > > Nicolas Will wrote:
> > > > On Sun, 2008-01-27 at 14:30 +0000, Ben Firshman wrote:
> > > >> I am using the (almost) latest SVN version of mythtv. I am using the
> > > >> v4l-dvb sources from a couple of days back. I have followed and used
> > > >> the patches that were on (are they in the repos now?):
> > > >>
> > > >> http://linuxtv.org/wiki/index.php/Hauppauge_WinTV-NOVA-T-500
> > > >>
> > > >> After a short while, one of the tuners dies. I get a "(L__) Partial
> > > >> Lock" message from mythtv. If it's any help, I also get messages like:
> > > >>
> > > >> DVB: frontend 0 frequency limits undefined - fix the driver
> > > >>
> > > >> In syslog, but that's even when it's working fine.
> > > >
> > > > Weird issue that I never encountered since I started using the card in
> > > > August...
> > > >
> > > > Get a brand new tree, there have been a lot of changes very recently,
> > > > merge of old patches and new fixes too.
> > > >
> > > > Make sure that you have the right firmware too.
> > > >
> > > > Then do a cold reboot, going through a power down, then check in the
> > > > messages that the card was found in a cold state before a firmware
> > > > upload.
> > > >
> > > > http://linuxtv.org/wiki/index.php/Hauppauge_WinTV-NOVA-T-500#Firmware
> > > >
> > > > Nico
> >
> > Ben,
> >
> > I'm at loss for an explanation. I'm just not experiencing your problem.
> >
> > People with a better brain than mine will need to jump in.
> >
> > Have you tried turning debugging on for the modules, and get a more
> > verbose log from mythbackend ?
> >
> > Nico
> >
> >
> > _______________________________________________
> > linux-dvb mailing list
> > linux-dvb@linuxtv.org
> > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
> 
> Hi,
> 
> I have been experiencing this problem for a few months now. I think it is 
> related to the use of the remote control. I have written a workaround 
> application for Ubuntu Linux that scans for a mt2060 error in the dmesg log. 
> If found it will restart mythtv-backend.  This seems to mitigate tha problem.
> 
> I can't wait for this issue to be fixed.
> 
> Shaun
> 
> _______________________________________________
> linux-dvb mailing list
> linux-dvb@linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Shaun]

Hi  People,

Jonas I like your never give up attitude.

I am running on a 3Ghz P4. At the moment I am running with a very slightly 
modified driver. I have my remote plugged in and I sometimes get hundreds of 
messages like the one below:

Jan 23 22:01:00 media-desktop kernel: [ 1062.522880] dib0700: Unknown remote
controller key :  0 20

I have included a line in linux/drivers/media/dvb/dvb-usb/dib0700_devices.c 
that eats the unknown controller key and prevents the message repeating, as 
was suggested by Jonas.

>From my mythwatcher logs:
[27-1-08 17:02:21] --- Started ---
[27-1-08 19:51:02] --- Started ---
[27-1-08 23:50:20] --- Started ---
[29-1-08 05:41:07] ERROR: Disconnect Detected.
[29-1-08 05:41:07] ACTION: Attempting mythtv-backend restart.
[29-1-08 19:36:37] ERROR: Disconnect Detected.
[29-1-08 19:36:37] ACTION: Attempting mythtv-backend restart.
[30-1-08 04:55:17] ERROR: Disconnect Detected.
[30-1-08 04:55:17] ACTION: Attempting mythtv-backend restart.
[30-1-08 05:00:16] ERROR: Disconnect Detected.
[30-1-08 05:00:16] ACTION: Attempting mythtv-backend restart.
[1-2-08 06:24:17] ERROR: Disconnect Detected.
[1-2-08 06:24:17] ACTION: Attempting mythtv-backend restart.
[1-2-08 20:18:48] ERROR: Disconnect Detected.
[1-2-08 20:18:48] ACTION: Attempting mythtv-backend restart.
[2-2-08 12:24:58] --- Started ---

I have been using the modified driver since [2-2-08 12:24:58].
I have been up for 24 hours with no disconnect. I will let you know how it 
goes. If I do get a disconnect, I will turn on debugging and see how that 
goes.

Cheers,
Shaun 


On Sunday 03 February 2008 09:39:01 Jonas Anden wrote:
> I have a hunch about this problem...
>
> I had this problem (I tink 3 times last weekend) after initially
> updating my hg tree and recompiling the modules. I then turned on full
> debugging for the dib0700 module in order to try to see what happens
> when it goes wrong, but with full debugging on I haven't been able to
> reproduce the problem. I ran with full debugging on from monday to
> saturday and *really* tried to make it go away. I tried starting all
> tuners at once (ie scheduling three programs with the same start time),
> I tried running long recordings, I tried running plenty of retuning, and
> I tried doing it "my normal way" of a few recordings a day. Nothing made
> the tuner die.
>
> So yesterday, I finally gave up in trying to cause the problem. I turned
> debugging back off, and this morning one of the tuners is dead again
> (MythTV stopping at "L__" instead of proceeding to "LMS".)
>
> The *ONLY* change I have made is changing the debugging setting.
>
> This, in combination with the fact that some people see it and some
> don't, leads me to believe that this is timer-induced. Something can't
> keep up. Adding debugging makes the operations slightly slower (the
> module needs to do additional IO to speak to syslogd), and this delay
> seems to be enough to keep it operational.
>
> I don't think this has anything to do with the remote since I have the
> RC feature disabled (I'm using an M$ MCE remote instead).
>
> I set it up with full debugging (options dvb_usb_0700 debug=15). This
> will cause a whole bunch of logging in the system logs, but appears to
> keep the tuner alive. I have now changed the debug setting to 1 (only
> 'info' type messages) to see if that also keeps the tuner alive.
>
> My system has a 3.3 Ghz Celeron processor. Shaun, Ben, Nicolas -- what
> kind of systems are you running? If my hunch is correct, I'd expect
> Shaun and Ben to have faster processors than Nicolas since they are
> seeing this issue and Nicolas isn't.
>
>   // J
>
> On Sat, 2008-02-02 at 10:20 +0000, Shaun wrote:
> > On Friday 01 February 2008 21:43:51 Nicolas Will wrote:
> > > On Fri, 2008-02-01 at 21:07 +0000, Ben Firshman wrote:
> > > > Feb  1 20:52:04 mythtv kernel: [   11.072000] dvb-usb: found a
> > > > 'Hauppauge Nova-T 500 Dual DVB-T' in cold state, will try to load a
> > > > firmware Feb  1 20:52:04 mythtv kernel: [   11.132000] dvb-usb:
> > > > downloading firmware from file 'dvb-usb-dib0700-1.10.fw'
> > > > ...
> > > > Feb  1 20:52:04 mythtv kernel: [   11.844000] dvb-usb: found a
> > > > 'Hauppauge Nova-T 500 Dual DVB-T' in warm state.
> > > > Feb  1 20:52:04 mythtv kernel: [   11.844000] dvb-usb: will pass the
> > > > complete MPEG2 transport stream to the software demuxer.
> > > > Feb  1 20:52:04 mythtv kernel: [   11.844000] DVB: registering new
> > > > adapter (Hauppauge Nova-T 500 Dual DVB-T)
> > > > Feb  1 20:52:04 mythtv kernel: [   11.956000] DVB: registering
> > > > frontend 1 (DiBcom 3000MC/P)...
> > > > ...
> > > > Feb  1 20:52:04 mythtv kernel: [   12.500000] dvb-usb: will pass the
> > > > complete MPEG2 transport stream to the software demuxer.
> > > > Feb  1 20:52:04 mythtv kernel: [   12.500000] DVB: registering new
> > > > adapter (Hauppauge Nova-T 500 Dual DVB-T)
> > > > Feb  1 20:52:04 mythtv kernel: [   12.508000] DVB: registering
> > > > frontend 2 (DiBcom 3000MC/P)...
> > > > Feb  1 20:52:04 mythtv kernel: [   13.068000] input: IR-receiver
> > > > inside an USB DVB receiver as /class/input/input2
> > > > Feb  1 20:52:04 mythtv kernel: [   13.068000] dvb-usb: schedule
> > > > remote query interval to 150 msecs.
> > > > Feb  1 20:52:04 mythtv kernel: [   13.068000] dvb-usb: Hauppauge
> > > > Nova-T 500 Dual DVB-T successfully initialized and connected.
> > > >
> > > > Got the tree from the day of your message, and I'm still having
> > > > problems. I'm not the only one either:
> > > >
> > > > http://www.linuxtv.org/pipermail/linux-dvb/2008-January/022629.html
> > > >
> > > > Thanks
> > > >
> > > > Ben
> > > >
> > > > Nicolas Will wrote:
> > > > > On Sun, 2008-01-27 at 14:30 +0000, Ben Firshman wrote:
> > > > >> I am using the (almost) latest SVN version of mythtv. I am using
> > > > >> the v4l-dvb sources from a couple of days back. I have followed
> > > > >> and used the patches that were on (are they in the repos now?):
> > > > >>
> > > > >> http://linuxtv.org/wiki/index.php/Hauppauge_WinTV-NOVA-T-500
> > > > >>
> > > > >> After a short while, one of the tuners dies. I get a "(L__)
> > > > >> Partial Lock" message from mythtv. If it's any help, I also get
> > > > >> messages like:
> > > > >>
> > > > >> DVB: frontend 0 frequency limits undefined - fix the driver
> > > > >>
> > > > >> In syslog, but that's even when it's working fine.
> > > > >
> > > > > Weird issue that I never encountered since I started using the card
> > > > > in August...
> > > > >
> > > > > Get a brand new tree, there have been a lot of changes very
> > > > > recently, merge of old patches and new fixes too.
> > > > >
> > > > > Make sure that you have the right firmware too.
> > > > >
> > > > > Then do a cold reboot, going through a power down, then check in
> > > > > the messages that the card was found in a cold state before a
> > > > > firmware upload.
> > > > >
> > > > > http://linuxtv.org/wiki/index.php/Hauppauge_WinTV-NOVA-T-500#Firmwa
> > > > >re
> > > > >
> > > > > Nico
> > >
> > > Ben,
> > >
> > > I'm at loss for an explanation. I'm just not experiencing your problem.
> > >
> > > People with a better brain than mine will need to jump in.
> > >
> > > Have you tried turning debugging on for the modules, and get a more
> > > verbose log from mythbackend ?
> > >
> > > Nico
> > >
> > >
> > > _______________________________________________
> > > linux-dvb mailing list
> > > linux-dvb@linuxtv.org
> > > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
> >
> > Hi,
> >
> > I have been experiencing this problem for a few months now. I think it is
> > related to the use of the remote control. I have written a workaround
> > application for Ubuntu Linux that scans for a mt2060 error in the dmesg
> > log. If found it will restart mythtv-backend.  This seems to mitigate tha
> > problem.
> >
> > I can't wait for this issue to be fixed.
> >
> > Shaun
> >
> > _______________________________________________
> > linux-dvb mailing list
> > linux-dvb@linuxtv.org
> > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>
> _______________________________________________
> linux-dvb mailing list
> linux-dvb@linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb



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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Ben Firshman]

I'm running a 2.66ghz Pentium D. I don't use the remote. It seems to  
be pretty sporadic - it's been working for a couple of days now.

Ben

On 3 Feb 2008, at 09:39, Jonas Anden wrote:

> I have a hunch about this problem...
>
> I had this problem (I tink 3 times last weekend) after initially
> updating my hg tree and recompiling the modules. I then turned on full
> debugging for the dib0700 module in order to try to see what happens
> when it goes wrong, but with full debugging on I haven't been able to
> reproduce the problem. I ran with full debugging on from monday to
> saturday and *really* tried to make it go away. I tried starting all
> tuners at once (ie scheduling three programs with the same start  
> time),
> I tried running long recordings, I tried running plenty of retuning,  
> and
> I tried doing it "my normal way" of a few recordings a day. Nothing  
> made
> the tuner die.
>
> So yesterday, I finally gave up in trying to cause the problem. I  
> turned
> debugging back off, and this morning one of the tuners is dead again
> (MythTV stopping at "L__" instead of proceeding to "LMS".)
>
> The *ONLY* change I have made is changing the debugging setting.
>
> This, in combination with the fact that some people see it and some
> don't, leads me to believe that this is timer-induced. Something can't
> keep up. Adding debugging makes the operations slightly slower (the
> module needs to do additional IO to speak to syslogd), and this delay
> seems to be enough to keep it operational.
>
> I don't think this has anything to do with the remote since I have the
> RC feature disabled (I'm using an M$ MCE remote instead).
>
> I set it up with full debugging (options dvb_usb_0700 debug=15). This
> will cause a whole bunch of logging in the system logs, but appears to
> keep the tuner alive. I have now changed the debug setting to 1 (only
> 'info' type messages) to see if that also keeps the tuner alive.
>
> My system has a 3.3 Ghz Celeron processor. Shaun, Ben, Nicolas -- what
> kind of systems are you running? If my hunch is correct, I'd expect
> Shaun and Ben to have faster processors than Nicolas since they are
> seeing this issue and Nicolas isn't.
>
>  // J
>
> On Sat, 2008-02-02 at 10:20 +0000, Shaun wrote:
>> On Friday 01 February 2008 21:43:51 Nicolas Will wrote:
>>> On Fri, 2008-02-01 at 21:07 +0000, Ben Firshman wrote:
>>>> Feb  1 20:52:04 mythtv kernel: [   11.072000] dvb-usb: found a
>>>> 'Hauppauge Nova-T 500 Dual DVB-T' in cold state, will try to load a
>>>> firmware Feb  1 20:52:04 mythtv kernel: [   11.132000] dvb-usb:
>>>> downloading firmware from file 'dvb-usb-dib0700-1.10.fw'
>>>> ...
>>>> Feb  1 20:52:04 mythtv kernel: [   11.844000] dvb-usb: found a
>>>> 'Hauppauge Nova-T 500 Dual DVB-T' in warm state.
>>>> Feb  1 20:52:04 mythtv kernel: [   11.844000] dvb-usb: will pass  
>>>> the
>>>> complete MPEG2 transport stream to the software demuxer.
>>>> Feb  1 20:52:04 mythtv kernel: [   11.844000] DVB: registering new
>>>> adapter (Hauppauge Nova-T 500 Dual DVB-T)
>>>> Feb  1 20:52:04 mythtv kernel: [   11.956000] DVB: registering  
>>>> frontend
>>>> 1 (DiBcom 3000MC/P)...
>>>> ...
>>>> Feb  1 20:52:04 mythtv kernel: [   12.500000] dvb-usb: will pass  
>>>> the
>>>> complete MPEG2 transport stream to the software demuxer.
>>>> Feb  1 20:52:04 mythtv kernel: [   12.500000] DVB: registering new
>>>> adapter (Hauppauge Nova-T 500 Dual DVB-T)
>>>> Feb  1 20:52:04 mythtv kernel: [   12.508000] DVB: registering  
>>>> frontend
>>>> 2 (DiBcom 3000MC/P)...
>>>> Feb  1 20:52:04 mythtv kernel: [   13.068000] input: IR-receiver  
>>>> inside
>>>> an USB DVB receiver as /class/input/input2
>>>> Feb  1 20:52:04 mythtv kernel: [   13.068000] dvb-usb: schedule  
>>>> remote
>>>> query interval to 150 msecs.
>>>> Feb  1 20:52:04 mythtv kernel: [   13.068000] dvb-usb: Hauppauge  
>>>> Nova-T
>>>> 500 Dual DVB-T successfully initialized and connected.
>>>>
>>>> Got the tree from the day of your message, and I'm still having
>>>> problems. I'm not the only one either:
>>>>
>>>> http://www.linuxtv.org/pipermail/linux-dvb/2008-January/022629.html
>>>>
>>>> Thanks
>>>>
>>>> Ben
>>>>
>>>> Nicolas Will wrote:
>>>>> On Sun, 2008-01-27 at 14:30 +0000, Ben Firshman wrote:
>>>>>> I am using the (almost) latest SVN version of mythtv. I am  
>>>>>> using the
>>>>>> v4l-dvb sources from a couple of days back. I have followed and  
>>>>>> used
>>>>>> the patches that were on (are they in the repos now?):
>>>>>>
>>>>>> http://linuxtv.org/wiki/index.php/Hauppauge_WinTV-NOVA-T-500
>>>>>>
>>>>>> After a short while, one of the tuners dies. I get a "(L__)  
>>>>>> Partial
>>>>>> Lock" message from mythtv. If it's any help, I also get  
>>>>>> messages like:
>>>>>>
>>>>>> DVB: frontend 0 frequency limits undefined - fix the driver
>>>>>>
>>>>>> In syslog, but that's even when it's working fine.
>>>>>
>>>>> Weird issue that I never encountered since I started using the  
>>>>> card in
>>>>> August...
>>>>>
>>>>> Get a brand new tree, there have been a lot of changes very  
>>>>> recently,
>>>>> merge of old patches and new fixes too.
>>>>>
>>>>> Make sure that you have the right firmware too.
>>>>>
>>>>> Then do a cold reboot, going through a power down, then check in  
>>>>> the
>>>>> messages that the card was found in a cold state before a firmware
>>>>> upload.
>>>>>
>>>>> http://linuxtv.org/wiki/index.php/Hauppauge_WinTV-NOVA-T-500#Firmware
>>>>>
>>>>> Nico
>>>
>>> Ben,
>>>
>>> I'm at loss for an explanation. I'm just not experiencing your  
>>> problem.
>>>
>>> People with a better brain than mine will need to jump in.
>>>
>>> Have you tried turning debugging on for the modules, and get a more
>>> verbose log from mythbackend ?
>>>
>>> Nico
>>>
>>>
>>> _______________________________________________
>>> linux-dvb mailing list
>>> linux-dvb@linuxtv.org
>>> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>>
>> Hi,
>>
>> I have been experiencing this problem for a few months now. I think  
>> it is
>> related to the use of the remote control. I have written a workaround
>> application for Ubuntu Linux that scans for a mt2060 error in the  
>> dmesg log.
>> If found it will restart mythtv-backend.  This seems to mitigate  
>> tha problem.
>>
>> I can't wait for this issue to be fixed.
>>
>> Shaun
>>
>> _______________________________________________
>> linux-dvb mailing list
>> linux-dvb@linuxtv.org
>> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>
>
> _______________________________________________
> linux-dvb mailing list
> linux-dvb@linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Sun, 2008-02-03 at 10:39 +0100, Jonas Anden wrote:
> 
> My system has a 3.3 Ghz Celeron processor. Shaun, Ben, Nicolas -- what
> kind of systems are you running? If my hunch is correct, I'd expect
> Shaun and Ben to have faster processors than Nicolas since they are
> seeing this issue and Nicolas isn't.


I have a fast Core 2 Duo, 2.66 GHz, tons of cache, 64-bit OS.

Nico
http://www.youplala.net/linux/home-theater-pc


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Sun, 2008-02-03 at 11:37 +0000, Shaun wrote:
> Hi  People,
> 
> Jonas I like your never give up attitude.
> 
> I am running on a 3Ghz P4. At the moment I am running with a very
> slightly 
> modified driver. I have my remote plugged in and I sometimes get
> hundreds of 
> messages like the one below:
> 
> Jan 23 22:01:00 media-desktop kernel: [ 1062.522880] dib0700: Unknown
> remote
> controller key :  0 20
> 
> I have included a line in
> linux/drivers/media/dvb/dvb-usb/dib0700_devices.c 
> that eats the unknown controller key and prevents the message
> repeating, as 
> was suggested by Jonas.

There is a patch on the wiki for this, and I'm using it.

Related?

Nico


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Shaun]

Hi,

> > I have included a line in
> > linux/drivers/media/dvb/dvb-usb/dib0700_devices.c
> > that eats the unknown controller key and prevents the message
> > repeating, as
> > was suggested by Jonas.


Yes, the change I was writing about is on the wiki. 

Shaun


On Sunday 03 February 2008 21:38:55 Nicolas Will wrote:
> On Sun, 2008-02-03 at 11:37 +0000, Shaun wrote:
> > Hi  People,
> >
> > Jonas I like your never give up attitude.
> >
> > I am running on a 3Ghz P4. At the moment I am running with a very
> > slightly
> > modified driver. I have my remote plugged in and I sometimes get
> > hundreds of
> > messages like the one below:
> >
> > Jan 23 22:01:00 media-desktop kernel: [ 1062.522880] dib0700: Unknown
> > remote
> > controller key :  0 20
> >
> > I have included a line in
> > linux/drivers/media/dvb/dvb-usb/dib0700_devices.c
> > that eats the unknown controller key and prevents the message
> > repeating, as
> > was suggested by Jonas.
>
> There is a patch on the wiki for this, and I'm using it.
>
> Related?
>
> Nico
>
>
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[linux-dvb] Nova-T 500 issues - losing one tuner

[Christophe Boyanique]

Hello all,

I would just confirm the symptom that Jonas Anden reported on the 
mailing list a few days ago about the Nova-T 500 loosing one tuner.

Nothing in the logs or dmesg;
MythTV stuck on L__

Host:
Linux 2.6.22-14-generic
Intel(R) Pentium(R) 4 CPU 3.00GHz

v4l from 2008/01/27-16:34


Good news is that since I am using this v4l drivers I have no more 
disconnection.


Christophe.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

Well...

You can now laugh at me, the supposedly problem-free user...

I managed to get my nova-t-500 to lose a tuner too!

MythTV was recording on tuner 1.

I was channel surfing on tuner 2.

After flipping through a few channels, I got a black screen.

I looked at the logs. MythTV is complaining that the file it uses to
watch TV (in fact you never watch the stream from the card, MythTV
records the channel in a file, then plays that file) is invalid.

You bet it is invalid, it's mostly not there, or with a size of zero.

I guess that the tuner became non-responsive and thus outputs nothing.

Getting out of "LiveTV" and coming back does not fix it. Trying to go to
another channel serves no purpose, MythTV must be desperately trying to
get any sort of response from the tuner before sending it any new
command.

That was a long "me too", but a "me too" all the same.

Dang !

Oh, my reception quality that used to be ugly has been fixed. I am now a
user of a 26dB gain masthead amplifier. My signal strength took a 25%
improvement, BER and UNC are zero on all channels. Still using the
internal LNA, though; I haven't tried doing without it.

Nico


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Wed, 2008-02-06 at 19:29 +0000, Nicolas Will wrote:
> Well...
> 
> You can now laugh at me, the supposedly problem-free user...
> 
> I managed to get my nova-t-500 to lose a tuner too!
> 
> MythTV was recording on tuner 1.
> 
> I was channel surfing on tuner 2.
> 
> After flipping through a few channels, I got a black screen.
> 
> I looked at the logs. MythTV is complaining that the file it uses to
> watch TV (in fact you never watch the stream from the card, MythTV
> records the channel in a file, then plays that file) is invalid.
> 
> You bet it is invalid, it's mostly not there, or with a size of zero.
> 
> I guess that the tuner became non-responsive and thus outputs nothing.
> 
> Getting out of "LiveTV" and coming back does not fix it. Trying to go
> to
> another channel serves no purpose, MythTV must be desperately trying
> to
> get any sort of response from the tuner before sending it any new
> command.
> 
> That was a long "me too", but a "me too" all the same.
> 
> Dang !
> 
> Oh, my reception quality that used to be ugly has been fixed. I am now
> a
> user of a 26dB gain masthead amplifier. My signal strength took a 25%
> improvement, BER and UNC are zero on all channels. Still using the
> internal LNA, though; I haven't tried doing without it.


Ah...

It looks like only ITV4 is problematic, even if the other channels on
the multiplex are fine.

Maybe a different problem, but the tuner is really lost until a reboot
all the same.

I have tried without the LNA, same difference. but it's an opportunity
to measure signal and BER without it...

Anybody know about any ITV4 problem on the UK-Durris transmitter?

Nico


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Jonas Anden]

Not too much comfort, but...

> Maybe a different problem, but the tuner is really lost until a reboot
> all the same.

You don't need to reboot to regain the other tuner. I use the following:

service mythbackend stop
modprobe -r dvb_usb_dib0700
modprobe dvb_usb_dib0700
service mythbackend start

After that, the tuner is back on line.

  // J


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Christophe Boyanique]

Hi Jonas,

> You don't need to reboot to regain the other tuner. I use the following:

Do you have a way to automate this ? Ie to detect that a tuner is gone ?

Christophe.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Jonas Anden]

> Do you have a way to automate this ? Ie to detect that a tuner is gone ?

No, I have yet to find any log message that says things aren't OK.

Mythbackend seems to just fail its recordings and not create the
recording file, which is kind of annoying. In my point of view, it would
be better if mythbackend would *crash*, since this would make the other
backend (which uses analog tuners) take over the recording. It wouldn't
be the same quality, but at least the show would be recorded...

  // J


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

Just wanted to say that I´m experiencing the same.
Using latest rev (the one with patches merged) + unknown remote key patch.
Ubuntu 7.10

Also having a lot of "prebuffer timeout 10 times" i the middle of shows.


On Feb 7, 2008 5:51 PM, Jonas Anden <jonas@anden.nu> wrote:
> > Do you have a way to automate this ? Ie to detect that a tuner is gone ?
>
> No, I have yet to find any log message that says things aren't OK.
>
> Mythbackend seems to just fail its recordings and not create the
> recording file, which is kind of annoying. In my point of view, it would
> be better if mythbackend would *crash*, since this would make the other
> backend (which uses analog tuners) take over the recording. It wouldn't
> be the same quality, but at least the show would be recorded...
>
>   // J
>
>
>
> _______________________________________________
> linux-dvb mailing list
> linux-dvb@linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Christophe Boyanique]

Christophe Boyanique a écrit :
> I would just confirm the symptom that Jonas Anden reported on the 
> mailing list a few days ago about the Nova-T 500 loosing one tuner.
>
> Nothing in the logs or dmesg;
> MythTV stuck on L__
>
> Host:
> Linux 2.6.22-14-generic
> Intel(R) Pentium(R) 4 CPU 3.00GHz
>
> v4l from 2008/01/27-16:34
>   
Just for information: I decided to make this test more than 10 days ago:

- disable EIT on both tuners in MythTV;
- disable remote (that I do not use anyway)

for that I added in a /etc/modprobe.d/local file:
--- cut ---
options dvb-usb-dib0700 force_lna_activation=1
options dvb_usb disable_rc_polling=1
--- cut ---

The result is that both tuners are still up and working.

So it may be either the remote or the EIT which produces the bug I suppose.

Christophe.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Ben Firshman]

Which one disables the remote? I don't use the remote, so I could try  
disabling it and see if I get any problems.

Ben

On 25 Feb 2008, at 19:25, Christophe Boyanique wrote:

> Christophe Boyanique a écrit :
>> I would just confirm the symptom that Jonas Anden reported on the
>> mailing list a few days ago about the Nova-T 500 loosing one tuner.
>>
>> Nothing in the logs or dmesg;
>> MythTV stuck on L__
>>
>> Host:
>> Linux 2.6.22-14-generic
>> Intel(R) Pentium(R) 4 CPU 3.00GHz
>>
>> v4l from 2008/01/27-16:34
>>
> Just for information: I decided to make this test more than 10 days  
> ago:
>
> - disable EIT on both tuners in MythTV;
> - disable remote (that I do not use anyway)
>
> for that I added in a /etc/modprobe.d/local file:
> --- cut ---
> options dvb-usb-dib0700 force_lna_activation=1
> options dvb_usb disable_rc_polling=1
> --- cut ---
>
> The result is that both tuners are still up and working.
>
> So it may be either the remote or the EIT which produces the bug I  
> suppose.
>
> Christophe.
>
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> linux-dvb@linuxtv.org
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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Christophe Boyanique]

Hello Ben Firshman you wrote :
> Which one disables the remote? I don't use the remote, so I could try  
> disabling it and see if I get any problems.
>   
This one disables the remote:

options dvb_usb disable_rc_polling=1

Christophe.


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Christophe Boyanique wrote:
> options dvb-usb-dib0700 force_lna_activation=1
> options dvb_usb disable_rc_polling=1

Did that last night and I'm still seeing MT2060 I2C timeouts... *sigh*

This is on Mythbuntu 8.04 alpha-2, latest updates, running drivers from Hg TIP 
patched for the HVR-3000 (using the dev.kewl.org multi-frontend patch).

Thanks,
-- 
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lists@philpem.me.uk           | (='.'=) into your signature to help him gain
http://www.philpem.me.uk/     | (")_(") world domination.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Patrik Hansson wrote:
> Just wanted to say that I´m experiencing the same.
> Using latest rev (the one with patches merged) + unknown remote key patch.
> Ubuntu 7.10
> 
> Also having a lot of "prebuffer timeout 10 times" i the middle of shows.

I think I might have a workaround... On Mythbuntu or one of the many Ubuntu 
variants, this seems to work:

1)  Run:
       lsmod |grep usbcore

2)  If step 1 produced any output that started with 'usbcore', then usbcore is 
loaded as a module. Perform step 3a. Otherwise, step 3b.

3a) Create a text file called /etc/modprobe.d/local-dvb (the name is fairly 
irrelevant). Insert one line of text into it:
       options usbcore autosuspend=-1
     Now go to step 4.

3b) Your kernel has usbcore built in. That means you have to modify the kernel 
command line...
     Edit /boot/grub/menu.lst (you'll need to sudo to do this). Search for 
this line:
# defoptions=quiet splash
     Amend it to read:
# defoptions=quiet splash usbcore.autosuspend=-1
     It's meant to be commented out, so leave the hash at the beginning of the 
line alone... Save and exit, then run ...
sudo update grub
     Ubuntu will regenerate grub.conf, using the new kernel command line. Off 
to step 4 you go!

     If you're using a non-Debian distro (e.g. Fedora), do the same thing but 
edit the 'kernel' line instead. It might read:
kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet splash
     Change it to:
kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet splash 
usbcore.autosuspend=-1

4)  Reboot your PC.

This is a bit long-winded, but saves a kernel recompile, and a ton of messing 
around recompiling kernels when Ubuntu do another release.

I'm working on what I consider to be a better fix, which involves using the 
kernel's Quirks function to disable USB suspend just for the DiBcom 
controllers. That is, the kernel won't try and suspend them at all...

Thanks,
-- 
Phil.                         |  (\_/)  This is Bunny. Copy and paste Bunny
lists@philpem.me.uk           | (='.'=) into your signature to help him gain
http://www.philpem.me.uk/     | (")_(") world domination.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On Tue, Feb 26, 2008 at 8:18 PM, Philip Pemberton <lists@philpem.me.uk> wrote:
> Patrik Hansson wrote:
>  > Just wanted to say that I´m experiencing the same.
>  > Using latest rev (the one with patches merged) + unknown remote key patch.
>  > Ubuntu 7.10
>  >
>  > Also having a lot of "prebuffer timeout 10 times" i the middle of shows.
>
>  I think I might have a workaround... On Mythbuntu or one of the many Ubuntu
>  variants, this seems to work:
>
>  1)  Run:
>        lsmod |grep usbcore
>
>  2)  If step 1 produced any output that started with 'usbcore', then usbcore is
>  loaded as a module. Perform step 3a. Otherwise, step 3b.
>
>  3a) Create a text file called /etc/modprobe.d/local-dvb (the name is fairly
>  irrelevant). Insert one line of text into it:
>        options usbcore autosuspend=-1
>      Now go to step 4.
>
>  3b) Your kernel has usbcore built in. That means you have to modify the kernel
>  command line...
>      Edit /boot/grub/menu.lst (you'll need to sudo to do this). Search for
>  this line:
>  # defoptions=quiet splash
>      Amend it to read:
>  # defoptions=quiet splash usbcore.autosuspend=-1
>      It's meant to be commented out, so leave the hash at the beginning of the
>  line alone... Save and exit, then run ...
>  sudo update grub
>      Ubuntu will regenerate grub.conf, using the new kernel command line. Off
>  to step 4 you go!
>
>      If you're using a non-Debian distro (e.g. Fedora), do the same thing but
>  edit the 'kernel' line instead. It might read:
>  kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet splash
>      Change it to:
>  kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet splash
>  usbcore.autosuspend=-1
>
>  4)  Reboot your PC.
>
>  This is a bit long-winded, but saves a kernel recompile, and a ton of messing
>  around recompiling kernels when Ubuntu do another release.
>
>  I'm working on what I consider to be a better fix, which involves using the
>  kernel's Quirks function to disable USB suspend just for the DiBcom
>  controllers. That is, the kernel won't try and suspend them at all...
>
>
>
>  Thanks,
>  --
>  Phil.                         |  (\_/)  This is Bunny. Copy and paste Bunny
>  lists@philpem.me.uk           | (='.'=) into your signature to help him gain
>  http://www.philpem.me.uk/     | (")_(") world domination.
>

It was a module and i put the option i /etc/modprobe.d/options next to
options dvb-usb-dib0700 force_lna_activation=1
Running now, will be back with the results.
On a side note:
Could that be the reason debug=15 also might work as a workaround,
there is so much traffic that the usb never suspends ?
Thanks Phil for the "fix", hope it stays stable..

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On Tue, Feb 26, 2008 at 8:37 PM, Patrik Hansson <patrik@wintergatan.com> wrote:
>
> On Tue, Feb 26, 2008 at 8:18 PM, Philip Pemberton <lists@philpem.me.uk> wrote:
>  > Patrik Hansson wrote:
>  >  > Just wanted to say that I´m experiencing the same.
>  >  > Using latest rev (the one with patches merged) + unknown remote key patch.
>  >  > Ubuntu 7.10
>  >  >
>  >  > Also having a lot of "prebuffer timeout 10 times" i the middle of shows.
>  >
>  >  I think I might have a workaround... On Mythbuntu or one of the many Ubuntu
>  >  variants, this seems to work:
>  >
>  >  1)  Run:
>  >        lsmod |grep usbcore
>  >
>  >  2)  If step 1 produced any output that started with 'usbcore', then usbcore is
>  >  loaded as a module. Perform step 3a. Otherwise, step 3b.
>  >
>  >  3a) Create a text file called /etc/modprobe.d/local-dvb (the name is fairly
>  >  irrelevant). Insert one line of text into it:
>  >        options usbcore autosuspend=-1
>  >      Now go to step 4.
>  >
>  >  3b) Your kernel has usbcore built in. That means you have to modify the kernel
>  >  command line...
>  >      Edit /boot/grub/menu.lst (you'll need to sudo to do this). Search for
>  >  this line:
>  >  # defoptions=quiet splash
>  >      Amend it to read:
>  >  # defoptions=quiet splash usbcore.autosuspend=-1
>  >      It's meant to be commented out, so leave the hash at the beginning of the
>  >  line alone... Save and exit, then run ...
>  >  sudo update grub
>  >      Ubuntu will regenerate grub.conf, using the new kernel command line. Off
>  >  to step 4 you go!
>  >
>  >      If you're using a non-Debian distro (e.g. Fedora), do the same thing but
>  >  edit the 'kernel' line instead. It might read:
>  >  kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet splash
>  >      Change it to:
>  >  kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet splash
>  >  usbcore.autosuspend=-1
>  >
>  >  4)  Reboot your PC.
>  >
>  >  This is a bit long-winded, but saves a kernel recompile, and a ton of messing
>  >  around recompiling kernels when Ubuntu do another release.
>  >
>  >  I'm working on what I consider to be a better fix, which involves using the
>  >  kernel's Quirks function to disable USB suspend just for the DiBcom
>  >  controllers. That is, the kernel won't try and suspend them at all...
>  >
>  >
>  >
>  >  Thanks,
>  >  --
>  >  Phil.                         |  (\_/)  This is Bunny. Copy and paste Bunny
>  >  lists@philpem.me.uk           | (='.'=) into your signature to help him gain
>  >  http://www.philpem.me.uk/     | (")_(") world domination.
>  >
>
>  It was a module and i put the option i /etc/modprobe.d/options next to
>
> options dvb-usb-dib0700 force_lna_activation=1
>  Running now, will be back with the results.
>  On a side note:
>  Could that be the reason debug=15 also might work as a workaround,
>  there is so much traffic that the usb never suspends ?
>  Thanks Phil for the "fix", hope it stays stable..
>

20:37:40 up 1 day, 8 min ...and counting, both tuners working fine.

There are two:
[14153.150380] mt2060 I2C read failed
[18967.903269] mt2060 I2C read failed
recorded in dmesg but nothing fatal.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Patrik Hansson wrote:
> 20:37:40 up 1 day, 8 min ...and counting, both tuners working fine.
> 
> There are two:
> [14153.150380] mt2060 I2C read failed
> [18967.903269] mt2060 I2C read failed
> recorded in dmesg but nothing fatal.

philpem@dragon:~$ uptime
  19:06:28 up 23:42,  3 users,  load average: 1.19, 1.22, 1.18

And the log is full of this crap:
Feb 28 06:29:13 dragon syslogd 1.5.0#1ubuntu1: restart.
Feb 28 06:29:13 dragon kernel: [39865.332785] cx24123_readreg: reg=0x14 
(error=-121)
Feb 28 06:29:13 dragon kernel: [39865.333946] cx24123_readreg: reg=0x20 
(error=-121)
Feb 28 06:29:13 dragon kernel: [39865.432586] cx24123_readreg: reg=0x14 
(error=-121)
Feb 28 06:29:13 dragon kernel: [39865.433733] cx24123_readreg: reg=0x20 
(error=-121)
Feb 28 06:29:13 dragon kernel: [39865.532380] cx24123_readreg: reg=0x14 
(error=-121)
Feb 28 06:29:13 dragon kernel: [39865.533473] cx24123_readreg: reg=0x20 
(error=-121)
Feb 28 06:29:13 dragon kernel: [39865.632210] cx24123_readreg: reg=0x14 
(error=-121)
Feb 28 06:29:13 dragon kernel: [39865.633301] cx24123_readreg: reg=0x20 
(error=-121)
Feb 28 06:29:13 dragon kernel: [39865.731998] cx24123_readreg: reg=0x14 
(error=-121)
Feb 28 06:29:13 dragon kernel: [39865.733092] cx24123_readreg: reg=0x20 
(error=-121)
Feb 28 06:29:14 dragon kernel: [39865.831820] cx24123_readreg: reg=0x14 
(error=-121)
Feb 28 06:29:14 dragon kernel: [39866.374256] mt2060 I2C write failed (len=2)
Feb 28 06:29:14 dragon kernel: [39866.374262] mt2060 I2C write failed (len=6)
Feb 28 06:29:14 dragon kernel: [39866.374264] mt2060 I2C read failed
Feb 28 06:29:14 dragon kernel: [39866.382298] mt2060 I2C read failed
Feb 28 06:29:14 dragon kernel: [39866.390210] mt2060 I2C read failed
Feb 28 06:29:14 dragon kernel: [39866.398195] mt2060 I2C read failed
Feb 28 06:29:14 dragon kernel: [39866.406181] mt2060 I2C read failed
Feb 28 06:29:14 dragon kernel: [39866.414175] mt2060 I2C read failed
Feb 28 06:29:14 dragon kernel: [39866.422213] mt2060 I2C read failed
Feb 28 06:29:14 dragon kernel: [39866.430162] mt2060 I2C read failed

And the tuner is utterly shot. It worked for most of one recording, then 
promptly died.

*sigh*

Patrik, just out of curiosity, what kernel are you running?
I'm running 2.6.24-8-generic on Mythbuntu 8.04 alpha 2 and thinking about 
downgrading to an earlier kernel.

-- 
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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Thu, 2008-02-28 at 19:11 +0000, Philip Pemberton wrote:
> philpem@dragon:~$ uptime
>   19:06:28 up 23:42,  3 users,  load average: 1.19, 1.22, 1.18
> 
> And the log is full of this crap:
> Feb 28 06:29:13 dragon syslogd 1.5.0#1ubuntu1: restart.
> Feb 28 06:29:13 dragon kernel: [39865.332785] cx24123_readreg:
> reg=0x14 
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.333946] cx24123_readreg:
> reg=0x20 
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.432586] cx24123_readreg:
> reg=0x14 
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.433733] cx24123_readreg:
> reg=0x20 
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.532380] cx24123_readreg:
> reg=0x14 
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.533473] cx24123_readreg:
> reg=0x20 
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.632210] cx24123_readreg:
> reg=0x14 
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.633301] cx24123_readreg:
> reg=0x20 
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.731998] cx24123_readreg:
> reg=0x14 
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.733092] cx24123_readreg:
> reg=0x20 
> (error=-121)
> Feb 28 06:29:14 dragon kernel: [39865.831820] cx24123_readreg:
> reg=0x14 
> (error=-121)
> Feb 28 06:29:14 dragon kernel: [39866.374256] mt2060 I2C write failed
> (len=2)
> Feb 28 06:29:14 dragon kernel: [39866.374262] mt2060 I2C write failed
> (len=6)
> Feb 28 06:29:14 dragon kernel: [39866.374264] mt2060 I2C read failed
> Feb 28 06:29:14 dragon kernel: [39866.382298] mt2060 I2C read failed
> Feb 28 06:29:14 dragon kernel: [39866.390210] mt2060 I2C read failed
> Feb 28 06:29:14 dragon kernel: [39866.398195] mt2060 I2C read failed
> Feb 28 06:29:14 dragon kernel: [39866.406181] mt2060 I2C read failed
> Feb 28 06:29:14 dragon kernel: [39866.414175] mt2060 I2C read failed
> Feb 28 06:29:14 dragon kernel: [39866.422213] mt2060 I2C read failed
> Feb 28 06:29:14 dragon kernel: [39866.430162] mt2060 I2C read failed
> 
> And the tuner is utterly shot. It worked for most of one recording,
> then 
> promptly died.
> 
> *sigh*
> 
> Patrik, just out of curiosity, what kernel are you running?
> I'm running 2.6.24-8-generic on Mythbuntu 8.04 alpha 2 and thinking
> about 
> downgrading to an earlier kernel.

You do know that the cx24123 module has nothing to do with the
Nova-t-500, don't you?

Would you have a DVB-S card in the system as well?

I do, and I have this module loaded too,  zero error message involving
it, and I'm not really losing any tuner in normal use.

I have
      * 1 Hauppauge Nova-t-500
      * 1 KWorld DVB-S 100
      * Gutsy 64-bit system
      * Ubuntu 2.6.22 kernel
      * Ubuntu updates+backports
      * Medibuntu
      * Mythbuntu's 0.20.2-fixes updates
      * a recent v4l-dvb tree compiles against the Ubuntu headers.

The only other USB device I am using is an RF transmitter for my
keyboard.

All (and I like documenting) details there:

http://www.youplala.net/linux/home-theater-pc




Other than this issue, how's the stability of 0.21 in Hardy?
I'm itching... After al,l I ran Gutsy since alpha 2, for hardware
support reasons, but I have no real motivation apart from "I want to try
the latest and greatest" today.

nico


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Dominique P.]

Hi

I have exactly the same problem, all seems fine on vdr until I start one 
recording that use the second timer , I got thousand of message like this 
one , it seems stg is not well loaded some time, I just have to shutdown vdr, 
I can see that device disconnect itself on dmesg and all is OK when starting 
vdr another time ...

hope somebody have a solution for that

Best regards

kernel = 2.6.22.18-desktop586-1mdv on mandriva 2008.0



Le Thursday 28 February 2008 20:11:39 Philip Pemberton, vous avez écrit :
> Patrik Hansson wrote:
> > 20:37:40 up 1 day, 8 min ...and counting, both tuners working fine.
> >
> > There are two:
> > [14153.150380] mt2060 I2C read failed
> > [18967.903269] mt2060 I2C read failed
> > recorded in dmesg but nothing fatal.
>
> philpem@dragon:~$ uptime
>   19:06:28 up 23:42,  3 users,  load average: 1.19, 1.22, 1.18
>
> And the log is full of this crap:
> Feb 28 06:29:13 dragon syslogd 1.5.0#1ubuntu1: restart.
> Feb 28 06:29:13 dragon kernel: [39865.332785] cx24123_readreg: reg=0x14
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.333946] cx24123_readreg: reg=0x20
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.432586] cx24123_readreg: reg=0x14
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.433733] cx24123_readreg: reg=0x20
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.532380] cx24123_readreg: reg=0x14
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.533473] cx24123_readreg: reg=0x20
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.632210] cx24123_readreg: reg=0x14
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.633301] cx24123_readreg: reg=0x20
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.731998] cx24123_readreg: reg=0x14
> (error=-121)
> Feb 28 06:29:13 dragon kernel: [39865.733092] cx24123_readreg: reg=0x20
> (error=-121)
> Feb 28 06:29:14 dragon kernel: [39865.831820] cx24123_readreg: reg=0x14
> (error=-121)
> Feb 28 06:29:14 dragon kernel: [39866.374256] mt2060 I2C write failed
> (len=2) Feb 28 06:29:14 dragon kernel: [39866.374262] mt2060 I2C write
> failed (len=6) Feb 28 06:29:14 dragon kernel: [39866.374264] mt2060 I2C
> read failed Feb 28 06:29:14 dragon kernel: [39866.382298] mt2060 I2C read
> failed Feb 28 06:29:14 dragon kernel: [39866.390210] mt2060 I2C read failed
> Feb 28 06:29:14 dragon kernel: [39866.398195] mt2060 I2C read failed Feb 28
> 06:29:14 dragon kernel: [39866.406181] mt2060 I2C read failed Feb 28
> 06:29:14 dragon kernel: [39866.414175] mt2060 I2C read failed Feb 28
> 06:29:14 dragon kernel: [39866.422213] mt2060 I2C read failed Feb 28
> 06:29:14 dragon kernel: [39866.430162] mt2060 I2C read failed
>
> And the tuner is utterly shot. It worked for most of one recording, then
> promptly died.
>
> *sigh*
>
> Patrik, just out of curiosity, what kernel are you running?
> I'm running 2.6.24-8-generic on Mythbuntu 8.04 alpha 2 and thinking about
> downgrading to an earlier kernel.


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On 2/28/08, Dominique P. <dom.plu@laposte.net> wrote:
> Hi
>
> I have exactly the same problem, all seems fine on vdr until I start one
> recording that use the second timer , I got thousand of message like this
> one , it seems stg is not well loaded some time, I just have to shutdown vdr,
> I can see that device disconnect itself on dmesg and all is OK when starting
> vdr another time ...
>
> hope somebody have a solution for that
>
> Best regards
>
> kernel = 2.6.22.18-desktop586-1mdv on mandriva 2008.0
>
>
>
> Le Thursday 28 February 2008 20:11:39 Philip Pemberton, vous avez écrit :
> > Patrik Hansson wrote:
> > > 20:37:40 up 1 day, 8 min ...and counting, both tuners working fine.
> > >
> > > There are two:
> > > [14153.150380] mt2060 I2C read failed
> > > [18967.903269] mt2060 I2C read failed
> > > recorded in dmesg but nothing fatal.
> >
> > philpem@dragon:~$ uptime
> >   19:06:28 up 23:42,  3 users,  load average: 1.19, 1.22, 1.18
> >
> > And the log is full of this crap:
> > Feb 28 06:29:13 dragon syslogd 1.5.0#1ubuntu1: restart.
> > Feb 28 06:29:13 dragon kernel: [39865.332785] cx24123_readreg: reg=0x14
> > (error=-121)
> > Feb 28 06:29:13 dragon kernel: [39865.333946] cx24123_readreg: reg=0x20
> > (error=-121)
> > Feb 28 06:29:13 dragon kernel: [39865.432586] cx24123_readreg: reg=0x14
> > (error=-121)
> > Feb 28 06:29:13 dragon kernel: [39865.433733] cx24123_readreg: reg=0x20
> > (error=-121)
> > Feb 28 06:29:13 dragon kernel: [39865.532380] cx24123_readreg: reg=0x14
> > (error=-121)
> > Feb 28 06:29:13 dragon kernel: [39865.533473] cx24123_readreg: reg=0x20
> > (error=-121)
> > Feb 28 06:29:13 dragon kernel: [39865.632210] cx24123_readreg: reg=0x14
> > (error=-121)
> > Feb 28 06:29:13 dragon kernel: [39865.633301] cx24123_readreg: reg=0x20
> > (error=-121)
> > Feb 28 06:29:13 dragon kernel: [39865.731998] cx24123_readreg: reg=0x14
> > (error=-121)
> > Feb 28 06:29:13 dragon kernel: [39865.733092] cx24123_readreg: reg=0x20
> > (error=-121)
> > Feb 28 06:29:14 dragon kernel: [39865.831820] cx24123_readreg: reg=0x14
> > (error=-121)
> > Feb 28 06:29:14 dragon kernel: [39866.374256] mt2060 I2C write failed
> > (len=2) Feb 28 06:29:14 dragon kernel: [39866.374262] mt2060 I2C write
> > failed (len=6) Feb 28 06:29:14 dragon kernel: [39866.374264] mt2060 I2C
> > read failed Feb 28 06:29:14 dragon kernel: [39866.382298] mt2060 I2C read
> > failed Feb 28 06:29:14 dragon kernel: [39866.390210] mt2060 I2C read failed
> > Feb 28 06:29:14 dragon kernel: [39866.398195] mt2060 I2C read failed Feb 28
> > 06:29:14 dragon kernel: [39866.406181] mt2060 I2C read failed Feb 28
> > 06:29:14 dragon kernel: [39866.414175] mt2060 I2C read failed Feb 28
> > 06:29:14 dragon kernel: [39866.422213] mt2060 I2C read failed Feb 28
> > 06:29:14 dragon kernel: [39866.430162] mt2060 I2C read failed
> >
> > And the tuner is utterly shot. It worked for most of one recording, then
> > promptly died.
> >
> > *sigh*
> >
> > Patrik, just out of curiosity, what kernel are you running?
> > I'm running 2.6.24-8-generic on Mythbuntu 8.04 alpha 2 and thinking about
> > downgrading to an earlier kernel.
>
>
> _______________________________________________
> linux-dvb mailing list
> linux-dvb@linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

1: I got a mailer-daemon reply saing that my ip was spamfiltred (I use
gmail?) when replying to what kernel i use.
My kernel is 2.6.22-14-generic

2: This morning I hade L__ on my second tuner.
some more mt2060 I2C read failed in dmesg.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Ben Firshman wrote:
 > Mine has now been running for a couple of days now without problems, I will 
let you know if I lose a tuner.

Strange, mine's still crashing out after a couple of hours. Just out of 
curiosity...
   - What kernel are you running? Distribution? Driver version?
   - If you're using MythTV, do you have "Use this card for EIT scanning" 
enabled for the T-500?
   - What firmware?

   Answers are "2.6.24-8-generic", Mythbuntu 8.04 alpha 2, Hg 615ce349999, and 
yes (EIT scanning on) for me, and firmware is dvb-usb-dib0700-1.10.fw (in 
/lib/firmware/2.6.24-8-generic). I'm planning to try 
dvb-usb-dib0700-03-pre1.fw at some point -- is this older or newer than 1.10 
(it's listed on the Wiki as a possible solution to the disconnect issue).

   I'm also staring daggers at the VIA USB controller chip on the T500... I've 
had nothing but trouble from VIA USB chips, with the possible exception of the 
  K8T800 Pro on the motherboard in my desktop machine. FWIW, the PVR is based 
on a Biostar TA690G board, which uses the AMD/ATI 690G, but I've got a 
Gainward nVidia GeForce 8400GS PCIe-x16 card in there (because the 690G is a 
poor excuse for a graphics chip and only just works under Windows, let alone 
Linux!)

Thanks,
-- 
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lists@philpem.me.uk           | (='.'=) into your signature to help him gain
http://www.philpem.me.uk/     | (")_(") world domination.


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Fri, 2008-02-29 at 21:31 +0000, Philip Pemberton wrote:
>    Answers are "2.6.24-8-generic", Mythbuntu 8.04 alpha 2, Hg
> 615ce349999, and 
> yes (EIT scanning on) for me, and firmware is dvb-usb-dib0700-1.10.fw
> (in 
> /lib/firmware/2.6.24-8-generic). I'm planning to try 
> dvb-usb-dib0700-03-pre1.fw at some point -- is this older or newer
> than 1.10 
> (it's listed on the Wiki as a possible solution to the disconnect
> issue).

You should really stick to the 1.10 firmware. 03-pre1 was an earlier
test and has more issues.

Nico


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Nicolas Will wrote:
> You should really stick to the 1.10 firmware. 03-pre1 was an earlier
> test and has more issues.

Well, I've figured out what was going on.
Seems if you run 'make' against the source tree with one kernel, it will 
always build modules for said kernel until you run 'make distclean'. I started 
by building for 2.6.24-8-generic, then upgraded to -10-generic, then to 
-11-generic, and only did a 'make clean; make; sudo make install' when I 
rebuilt v4l-dvb, as this worked for Madwifi.

So to summarise, if you're going to reuse the same source tree for multiple 
kernels, make distclean before making the drivers, or it'll build for the last 
kernel you built for... Not sure if it installs to the running kernel, but it 
certainly doesn't use the headers for the running kernel...

But at least the card seems to be behaving now. Up 10 hours with:

options dvb-usb-dib0700 debug=15 force_lna_activation=1
options dvb_usb disable_rc_polling=1
options usbcore autosuspend=-1

I've also blacklisted dvb-usb-dib0700 and modprobe'd it in an rc-script, so my 
HVR-3000 ends up as device 0 and the two T-500 tuners end up as devices 1 and 
2; said shell script also sets up symlinks for the 1st and 2nd front-ends on 
the HVR to devices 10 and 11, because MythTV doesn't like the idea of a card 
having multiple front-ends...

The clock is once again running...

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On Sun, Mar 2, 2008 at 9:09 AM, Philip Pemberton <lists@philpem.me.uk> wrote:
> Nicolas Will wrote:
>  > You should really stick to the 1.10 firmware. 03-pre1 was an earlier
>  > test and has more issues.
>
>  Well, I've figured out what was going on.
>  Seems if you run 'make' against the source tree with one kernel, it will
>  always build modules for said kernel until you run 'make distclean'. I started
>  by building for 2.6.24-8-generic, then upgraded to -10-generic, then to
>  -11-generic, and only did a 'make clean; make; sudo make install' when I
>  rebuilt v4l-dvb, as this worked for Madwifi.
>
>  So to summarise, if you're going to reuse the same source tree for multiple
>  kernels, make distclean before making the drivers, or it'll build for the last
>  kernel you built for... Not sure if it installs to the running kernel, but it
>  certainly doesn't use the headers for the running kernel...
>
>  But at least the card seems to be behaving now. Up 10 hours with:
>
>  options dvb-usb-dib0700 debug=15 force_lna_activation=1
>
> options dvb_usb disable_rc_polling=1
>  options usbcore autosuspend=-1
>
>  I've also blacklisted dvb-usb-dib0700 and modprobe'd it in an rc-script, so my
>  HVR-3000 ends up as device 0 and the two T-500 tuners end up as devices 1 and
>  2; said shell script also sets up symlinks for the 1st and 2nd front-ends on
>  the HVR to devices 10 and 11, because MythTV doesn't like the idea of a card
>  having multiple front-ends...
>
>  The clock is once again running...
>
>
>  --
>  Phil.                         |  (\_/)  This is Bunny. Copy and paste Bunny
>  lists@philpem.me.uk           | (='.'=) into your signature to help him gain
>  http://www.philpem.me.uk/     | (")_(") world domination.
>
>  _______________________________________________
>
>
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>  http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

When i started using options usbcore autosuspend=-1 i deactivated debug=15
Will reactivate it again and reset my clock also.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Patrik Hansson wrote:
> When i started using options usbcore autosuspend=-1 i deactivated debug=15
> Will reactivate it again and reset my clock also.

Just had a USB disconnect..

Switched MythTV to BBC HD, CPU load hit 100% and video jittered like mad. 
Switched back to Freeview via the Nova, both tuners down. USB disconnect and 
I2C errors in dmesg. Killed off mythbackend and the T500 re-attached, but 
wouldn't work (continuous disconnects whenever I loaded mythbackend) until I 
killed mythbackend, rmmod'ed dvb-usb-dib0700, then modprobed dvb-usb-dib0700 
and restarted mythbackend.

I've disabled EIT scanning on all but one of the Nova-T500 tuners, and set 
"open on demand" for both Nova-T500 tuners and both HVR-3000 tuners.

If Myth isn't holding the tuner open, maybe it'll be a little more tolerant of 
this kind of glitch.. but it doesn't seem to switch to another tuner on the 
same source if one is dead, it just keeps hammering the same tuner over and 
over until it gives up... Urgh.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Patrik Hansson wrote:
> When i started using options usbcore autosuspend=-1 i deactivated debug=15
> Will reactivate it again and reset my clock also.

Well, changing channels on Myth seems to provoke it into failing... and it 
usually kills both tuners at the same time. Something is very badly wrong with 
this thing...

I think I'm going to move the T500 into my Windows PC and buy a couple of 
cheap USB sticks for Freeview. This has gone on long enough.

-- 
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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Sun, 2008-03-02 at 14:09 +0000, Philip Pemberton wrote:
> Patrik Hansson wrote:
> > When i started using options usbcore autosuspend=-1 i deactivated
> debug=15
> > Will reactivate it again and reset my clock also.
> 
> Well, changing channels on Myth seems to provoke it into failing...
> and it 
> usually kills both tuners at the same time. Something is very badly
> wrong with 
> this thing...
> 
> I think I'm going to move the T500 into my Windows PC and buy a couple
> of 
> cheap USB sticks for Freeview. This has gone on long enough.

I am shocked by all your problems.

I am certainly not experiencing this sort of mayhem on my system.

Nico


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Nicolas Will wrote:
> I am shocked by all your problems.

I'm not.
The blasted thing has a VIA USB controller on board - from experience it seems 
VIA are one of the few companies that still haven't managed to come up with a 
USB2 host-controller design that works properly without a filter driver 
sitting between the USB stack and the chip...

I've got an uptime of 1 hour with the tuners idling (EIT scan on one of the 
tuners, other idle), but as soon as I start channel-hopping, the stupid thing 
falls over.

So for what it's worth, here's the spec of my machine:
   - Biostar TA690G mainboard; AMD 690G chipset. Onboard VGA disabled.
   - AMD Athlon64 X2 4000+ AM2 CPU
   - 2GB RAM, dual channel mode
   - WD Caviar-GP (WD5000AACS) 500GB Quiet Drive
   - LiteOn LH-20A1P DVD writer
   - Hauppauge HVR-3000 DVB-S/T hybrid tuner
   - Hauppauge Nova-T 500 dual DVB-T

And the OS:
   - Mythbuntu 8.04 alpha2 (Ubuntu Hardy) with latest updates
   - Kernel 2.6.24-11-generic
   - MythTV 0.21.0~fixes16259-0ubuntu1

I know a few folks are using 2.6.22 kernels.. just out of curiosity, has 
anyone got a Nova-T 500 working on 2.6.24? I'm just about to dig into the 
kernel changelog to see if anything's been changed relating to USB (especially 
anything to do with handling of VIA USB chipsets), though I doubt this is a 
kernel issue.

IIRC there was something related to USB bandwidth handling that went into the 
kernel not long ago... hmm, I wonder...

-- 
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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Nicolas Will wrote:
> You do know that the cx24123 module has nothing to do with the
> Nova-t-500, don't you?

I know. It's for the HVR-3000's satellite demux.

> Would you have a DVB-S card in the system as well?

See above :)

> Other than this issue, how's the stability of 0.21 in Hardy?
> I'm itching... After al,l I ran Gutsy since alpha 2, for hardware
> support reasons, but I have no real motivation apart from "I want to try
> the latest and greatest" today.

Myth itself is quite stable, but Mythbuntu had some issues with the initial 
8.04a2 release -- mostly with VNC and setting up the Myth transcoding daemon 
('mkdir /var/lib/mythdvd/temp; chmod 777 /var/lib/mythdvd/temp' as root fixed 
it for me). The LIRC config files for the Nova-T500's remote are a bit 
mangled, and some buttons don't work by default.

Other than that, ripping DVDs to MPEG files and playing them back results in 
issues with A/V sync; switching the player to "default player" in File Types 
seems to have cured that.

Stability-wise, it puts MediaPortal to shame. Feature-wise, it's got 
everything I need. Once I get the Nova-T500 to behave itself, and MythTV to 
hibernate (or even shut down completely) and set an ACPI wakeup timer, I'll 
consider the project 'done' :)

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

And now the icing on the cake:

[17296.754309] <<< b5 7d
[17296.754311] I2C read failed on address a
[17298.643002] >>> 02 15 81 fd
[17298.643012] ep 0 read error (status = -19)
[17298.643013] <<< b5 7d
[17298.643015] I2C read failed on address a
[17300.535677] >>> 02 15 81 fd
[17300.535687] ep 0 read error (status = -19)
[17300.535688] <<< b5 7d
[17300.535690] I2C read failed on address a
[17302.193280] usbcore: deregistering interface driver dvb_usb_dib0700
[17302.314293] dib0700: loaded with support for 6 different device-types
[17302.420405] BUG: unable to handle kernel paging request at virtual address 
fa23bda0
[17302.420412] printing eip: f89bd162 *pde = 374ac067 *pte = 00000000
[17302.420417] Oops: 0000 [#1] SMP
[17302.420420] Modules linked in: dvb_usb_dib0700 dib7000p dib7000m dvb_usb 
dib0070 isofs udf video output container sbs sbshc ac dock battery mt2060 
dib3000mc dibx000_common iptable_filter ip_tables x_tables af_packet lp 
dvb_pll ipv6 cx22702 wlan_wep isl6421 cx24123 cx88_dvb cx88_vp3054_i2c 
wlan_scan_sta ath_rate_sample snd_hda_intel tuner tea5767 tda8290 snd_hwdep 
tda18271 tda827x tuner_xc2028 xc5000 snd_seq_dummy tda9887 cx88_alsa 
snd_pcm_oss snd_mixer_oss tuner_simple tuner_types snd_seq_oss mt20xx tea5761 
ath_pci wlan ath_hal(P) sr_mod cdrom snd_pcm nvidia(P) snd_seq_midi cx8802 
cx8800 snd_page_alloc cx88xx snd_rawmidi snd_seq_midi_event ir_common 
i2c_algo_bit videodev v4l1_compat compat_ioctl32 v4l2_common atiixp 
videobuf_dvb dvb_core snd_seq snd_timer snd_seq_device tveeprom 
videobuf_dma_sg videobuf_core btcx_risc snd i2c_piix4 button ati_agp agpgart 
ide_core i2c_core parport_pc parport soundcore shpchp pci_hotplug k8temp evdev 
pcspkr pata_atiixp ext3 jbd mbcache sg sd_mod ata_generic floppy uhci_hcd 
pata_acpi ahci ohci_hcd ehci_hcd libata usbcore scsi_mod ssb r8169 thermal 
processor fan fuse
[17302.420479]
[17302.420481] Pid: 9917, comm: kdvb-ad-1-fe-0 Tainted: P 
(2.6.24-11-generic #1)
[17302.420484] EIP: 0060:[<f89bd162>] EFLAGS: 00010286 CPU: 0
[17302.420493] EIP is at i2c_transfer+0x22/0x60 [i2c_core]
[17302.420496] EAX: fa23bda0 EBX: ffffffda ECX: 00000003 EDX: dddebf00
[17302.420498] ESI: dddebf00 EDI: f77a255c EBP: 00000003 ESP: dddebed8
[17302.420500]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[17302.420503] Process kdvb-ad-1-fe-0 (pid: 9917, ti=dddea000 task=d8c59680 
task.ti=dddea000)
[17302.420505] Stack: dddebf00 f7515a28 dddebf00 dddebf54 dddebf68 f9c811bb 
00000000 00000000
[17302.420510]        ddadb700 00000000 0000000a 00000004 dddebf58 00000074 
00000002 dddebf9a
[17302.420515]        0000000a 00000004 dddebf54 00000282 00000282 00000024 
dddebf00 00000001
[17302.420520] Call Trace:
[17302.420529]  [<f9c811bb>] dibx000_i2c_gated_tuner_xfer+0x10b/0x1b0 
[dibx000_common]
[17302.420563]  [<c0136f2e>] del_timer_sync+0xe/0x20
[17302.420576]  [<f89bd17e>] i2c_transfer+0x3e/0x60 [i2c_core]
[17302.420590]  [<fa3800dc>] mt2060_writereg+0x3c/0x60 [mt2060]
[17302.420601]  [<f8a56a4e>] dvb_frontend_thread+0x1ae/0x300 [dvb_core]
[17302.420620]  [<c0141b80>] autoremove_wake_function+0x0/0x40
[17302.420632]  [<f8a568a0>] dvb_frontend_thread+0x0/0x300 [dvb_core]
[17302.420644]  [<c01418c2>] kthread+0x42/0x70
[17302.420647]  [<c0141880>] kthread+0x0/0x70
[17302.420653]  [<c0106677>] kernel_thread_helper+0x7/0x10
[17302.420665]  =======================
[17302.420666] Code: ff 83 c4 04 0f b6 c0 5b c3 83 ec 14 89 5c 24 04 bb da ff 
ff ff 89 7c 24 0c 89 c7 89 6c 24 10 89 cd 89 74 24 08 89 14 24 8b 40 0c <8b> 
00 85 c0 74 1f 8d 77 20 89 f0 e8 1e af 95 c7 8b 5f 0c 89 e9
[17302.420689] EIP: [<f89bd162>] i2c_transfer+0x22/0x60 [i2c_core] SS:ESP 
0068:dddebed8
[17302.420697] ---[ end trace 8ec949325fb5108c ]---

I give up.

-- 
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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Sun, 2008-03-02 at 21:49 +0000, Philip Pemberton wrote:
> 
> I give up.

Philip,

You are having problems to an extend that nobody experienced or
reported.

Certainly not me.

So either there is something wrong in your process, your software, or
you have some faulty hardware.


Nico



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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Darren Salt]

I demand that Philip Pemberton may or may not have written...

[snip]
> The blasted thing has a VIA USB controller on board - from experience it
> seems VIA are one of the few companies that still haven't managed to come
> up with a USB2 host-controller design that works properly without a filter
> driver sitting between the USB stack and the chip...

Which revision?

I have a VIA-based USB card in one computer here; I've had no problems with
it whatsoever. It shows up as:

00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 61)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 61)
00:10.2 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 63)

[snip]
-- 
| Darren Salt    | linux or ds at              | nr. Ashington, | Toon
| RISC OS, Linux | youmustbejoking,demon,co,uk | Northumberland | Army
| + Output less CO2 => avoid massive flooding.    TIME IS RUNNING OUT *FAST*.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Darren Salt]

I demand that Philip Pemberton may or may not have written...

> And now the icing on the cake:
[snip]
> [17302.420405] BUG: unable to handle kernel paging request at virtual address 
> fa23bda0
> [17302.420412] printing eip: f89bd162 *pde = 374ac067 *pte = 00000000
> [17302.420417] Oops: 0000 [#1] SMP
> [17302.420420] Modules linked in: [...] ath_hal(P) [...] nvidia(P) [...]
> [17302.420481] Pid: 9917, comm: kdvb-ad-1-fe-0 Tainted: P 
> (2.6.24-11-generic #1)
[snip]

You lose. Twice.

Can you cause that oops *without* the taintware? If not, do not pass Go, do
not collect £200, go directly to the two relevant vendors and (possibly) get
passed back and forth :-)

(You may be able to remove one of the taintware modules by upgrading to
2.6.25-rc3; you can remove the other by using nv or nouveau.)

-- 
| Darren Salt    | linux or ds at              | nr. Ashington, | Toon
| RISC OS, Linux | youmustbejoking,demon,co,uk | Northumberland | Army
| + Buy local produce. Try to walk or cycle. TRANSPORT CAUSES GLOBAL WARMING.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Sun, 2008-03-02 at 23:07 +0000, Darren Salt wrote:
> I demand that Philip Pemberton may or may not have written...
> 
> > And now the icing on the cake:
> [snip]
> > [17302.420405] BUG: unable to handle kernel paging request at
> virtual address 
> > fa23bda0
> > [17302.420412] printing eip: f89bd162 *pde = 374ac067 *pte =
> 00000000
> > [17302.420417] Oops: 0000 [#1] SMP
> > [17302.420420] Modules linked in: [...] ath_hal(P) [...] nvidia(P)
> [...]
> > [17302.420481] Pid: 9917, comm: kdvb-ad-1-fe-0 Tainted: P 
> > (2.6.24-11-generic #1)
> [snip]
> 
> You lose. Twice.
> 
> Can you cause that oops *without* the taintware? If not, do not pass
> Go, do
> not collect £200, go directly to the two relevant vendors and
> (possibly) get
> passed back and forth :-)
> 
> (You may be able to remove one of the taintware modules by upgrading
> to
> 2.6.25-rc3; you can remove the other by using nv or nouveau.)


eeeewwwww....

Let's not go there. That is potential flame bait.

As much as I understand your position, where it's coming from, and the
reasoning behind it (and I'm not necessarily against it, trust me on
that), blaming it all on the closed parts is maybe just as bad as
blaming a USB vendor or open source coders and giving up.

Until a week ago I had an Atheros card needing that hal blob. I am still
running the nvidia blob today (can't wait to remove it and use the
built-in Intel 965G chip with my ADD2 card once the open drivers get
better than the nvidia stuff. And they will, the full specs are out,
including for H.264 hardware acceleration).

And my tuners worked, both. No oops.

Let's keep on thing in mind: Philip is running a development version of
Ubuntu that may need some stabilisation itself.

Nico


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Darren Salt wrote:
> Which revision?

Huh. Rev 62 UHCI and Rev 65 EHCI. Maybe it's not the USB HA then.

> I have a VIA-based USB card in one computer here; I've had no problems with
> it whatsoever. It shows up as:
> 
> 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 61)
> 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 61)
> 00:10.2 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 63)

There's a VIA southbridge in this machine; it actually works quite nicely with 
most things - exceptions being my Icybox IB380 hard drive enclosure and a 
Minolta film scanner.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Nicolas Will wrote:
> As much as I understand your position, where it's coming from, and the
> reasoning behind it (and I'm not necessarily against it, trust me on
> that), blaming it all on the closed parts is maybe just as bad as
> blaming a USB vendor or open source coders and giving up.

It seems to be able to handle one or two recordings, then on the third it 
falls flat on its face. I told it to record Jurassic Park, and as soon as the 
recording was due to start, I got this in dmesg:

Mar  3 21:00:03 dragon kernel: [51071.390905] mt2060 I2C write failed
Mar  3 21:00:03 dragon kernel: [51071.390907] >>> 03 14 04 07 ff ff
Mar  3 21:00:03 dragon kernel: [51071.390910] ep 0 write error (status = -19, 
len: 6)
Mar  3 21:00:03 dragon kernel: [51071.390912] >>> 03 14 04 08 ff ff
Mar  3 21:00:03 dragon kernel: [51071.390915] ep 0 write error (status = -19, 
len: 6)
Mar  3 21:00:03 dragon kernel: [51071.390917] >>> 03 14 04 09 ff f0
Mar  3 21:00:03 dragon kernel: [51071.390920] ep 0 write error (status = -19, 
len: 6)
Mar  3 21:28:02 dragon -- MARK --
Mar  3 21:48:02 dragon -- MARK --
Mar  3 21:52:31 dragon kernel: [54213.772868] modifying (0) streaming state for 0
Mar  3 21:52:31 dragon kernel: [54213.772874] data for streaming: 0 10
Mar  3 21:52:31 dragon kernel: [54213.772876] >>> 0f 00 10 00
Mar  3 21:52:31 dragon kernel: [54213.772881] ep 0 write error (status = -19, 
len: 4)
Mar  3 21:52:31 dragon kernel: [54213.773463] dvb-usb: Hauppauge Nova-T 500 
Dual DVB-T successfully deinitialized and disconnected.
Mar  3 21:52:31 dragon kernel: [54214.011201] usb 2-1: new high speed USB 
device using ehci_hcd and address 3
Mar  3 21:52:31 dragon kernel: [54214.144020] usb 2-1: configuration #1 chosen 
from 1 choice
Mar  3 21:52:31 dragon kernel: [54214.144429] FW GET_VERSION length: 16
Mar  3 21:52:31 dragon kernel: [54214.144431] cold: 0
Mar  3 21:52:31 dragon kernel: [54214.144433] dvb-usb: found a 'Hauppauge 
Nova-T 500 Dual DVB-T' in warm state.
Mar  3 21:52:31 dragon kernel: [54214.144457] dvb-usb: will pass the complete 
MPEG2 transport stream to the software demuxer.
Mar  3 21:52:31 dragon kernel: [54214.144638] DVB: registering new adapter 
(Hauppauge Nova-T 500 Dual DVB-T)
Mar  3 21:52:31 dragon kernel: [54214.144806] >>> 0c 08 80
Mar  3 21:52:31 dragon kernel: [54214.158937] >>> 0c 08 c0
Mar  3 21:52:31 dragon kernel: [54214.178924] >>> 0c 0f 80

[.....]

I'm beginning to suspect a power supply or cooling issue; it seems to get 
worse the longer the machine is running... 15 hours uptime and the T500 is 
basically dead now, and a reboot only brings it back into the land of the 
living for a couple of hours at most...

Now where did I put that 500W junker that came with the case...

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Ben Firshman]

I am quite disappointed to report that one of my tuners has just died  
this evening. No error messages to speak of.

Ben

On 26 Feb 2008, at 19:18, Philip Pemberton wrote:

> Patrik Hansson wrote:
>> Just wanted to say that I´m experiencing the same.
>> Using latest rev (the one with patches merged) + unknown remote key  
>> patch.
>> Ubuntu 7.10
>>
>> Also having a lot of "prebuffer timeout 10 times" i the middle of  
>> shows.
>
> I think I might have a workaround... On Mythbuntu or one of the many  
> Ubuntu
> variants, this seems to work:
>
> 1)  Run:
>       lsmod |grep usbcore
>
> 2)  If step 1 produced any output that started with 'usbcore', then  
> usbcore is
> loaded as a module. Perform step 3a. Otherwise, step 3b.
>
> 3a) Create a text file called /etc/modprobe.d/local-dvb (the name is  
> fairly
> irrelevant). Insert one line of text into it:
>       options usbcore autosuspend=-1
>     Now go to step 4.
>
> 3b) Your kernel has usbcore built in. That means you have to modify  
> the kernel
> command line...
>     Edit /boot/grub/menu.lst (you'll need to sudo to do this).  
> Search for
> this line:
> # defoptions=quiet splash
>     Amend it to read:
> # defoptions=quiet splash usbcore.autosuspend=-1
>     It's meant to be commented out, so leave the hash at the  
> beginning of the
> line alone... Save and exit, then run ...
> sudo update grub
>     Ubuntu will regenerate grub.conf, using the new kernel command  
> line. Off
> to step 4 you go!
>
>     If you're using a non-Debian distro (e.g. Fedora), do the same  
> thing but
> edit the 'kernel' line instead. It might read:
> kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet  
> splash
>     Change it to:
> kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet  
> splash
> usbcore.autosuspend=-1
>
> 4)  Reboot your PC.
>
> This is a bit long-winded, but saves a kernel recompile, and a ton  
> of messing
> around recompiling kernels when Ubuntu do another release.
>
> I'm working on what I consider to be a better fix, which involves  
> using the
> kernel's Quirks function to disable USB suspend just for the DiBcom
> controllers. That is, the kernel won't try and suspend them at all...
>
> Thanks,
> -- 
> Phil.                         |  (\_/)  This is Bunny. Copy and  
> paste Bunny
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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Shaun]

Hi People,

I am writing to inform you of a simple tool I have written to help with this 
tuner issue. The tool I have made will monitor dmesg output and reset the 
MythTV Backend if it detects a mt2060 errors. It is not a fix, but a 
workaround. 

I have written it for Ubuntu/Debian based systems. I have included the GPL 
source, feel free to modify as needed.

I have it installed on a friend and my Ubuntu based boxes for the last few 
months and all seems OK.

To help with debugging issues, a log is written to:
/var/log/mythwatch.log

Example output:
[24-2-08 19:51:34] --- Started Ver: 0.2.3 ---
[27-2-08 07:33:52] ERROR: Disconnect Detected.
[27-2-08 07:33:52] ACTION: Attempting mythtv-backend restart.
[28-2-08 05:47:20] ERROR: Disconnect Detected.
[28-2-08 05:47:20] ACTION: Attempting mythtv-backend restart.
[28-2-08 16:51:28] ERROR: Disconnect Detected.
[28-2-08 16:51:28] ACTION: Attempting mythtv-backend restart.

Note: It is not perfect in that sometimes I loose a tuner without a mt2060 
error (very seldom). I am working on the idea of scanning for PAT errors in 
the MythTV backend log. There seems to be a connection with loosing a tuner 
and PAT errors.


Download URL: http://www.bluboy.f2s.com/develop/MythWatch.tar.gz

The tool allows you to record your shows at almost 100% reliability, but with 
the chance that a reset could lose a few seconds of a recording. This will 
happen if a reset happends while a show is being recorded.

Cheers
Shaun

PS: For each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software.  If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.

 
 

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[linux-dvb] Nova-T 500 issues - losing one tuner

[ivor]

Not sure if this helps or adds that much to the discussion... (I think this was concluded before)
But I finally switched back to kernel 2.6.22.19 on March 5th (with current v4l-dvb code) and haven't had any problems with the Nova-t 500 since. Running mythtv with EIT scanning enabled.

Looking in the kernel log I see a single mt2060 read failed message on March 6th and 9th and a single mt2060 write failed on March 8th. These events didn't cause any problems or cause the tuner or mythtv to fail though.
 
Ivor.


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Tue, 2008-03-11 at 11:07 +0000, ivor@ivor.org wrote:
> Not sure if this helps or adds that much to the discussion... (I think
> this was concluded before)
> But I finally switched back to kernel 2.6.22.19 on March 5th (with
> current v4l-dvb code) and haven't had any problems with the Nova-t 500
> since. Running mythtv with EIT scanning enabled.
> 
> Looking in the kernel log I see a single mt2060 read failed message on
> March 6th and 9th and a single mt2060 write failed on March 8th. These
> events didn't cause any problems or cause the tuner or mythtv to fail
> though.

ah. 

So this begs the question:

What changed between 2.6.22 and 2.6.24? huh... funny, heh?

So, if 2.6.24 is finger pointed, I'm interested in a solution, as I have
a planned upgrade to it in about a month's time.

Nico




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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

Have you applied any patches to the v4l-dvb source before compiling ?

On 3/11/08, Nicolas Will <nico@youplala.net> wrote:
>
> On Tue, 2008-03-11 at 11:07 +0000, ivor@ivor.org wrote:
> > Not sure if this helps or adds that much to the discussion... (I think
> > this was concluded before)
> > But I finally switched back to kernel 2.6.22.19 on March 5th (with
> > current v4l-dvb code) and haven't had any problems with the Nova-t 500
> > since. Running mythtv with EIT scanning enabled.
> >
> > Looking in the kernel log I see a single mt2060 read failed message on
> > March 6th and 9th and a single mt2060 write failed on March 8th. These
> > events didn't cause any problems or cause the tuner or mythtv to fail
> > though.
>
> ah.
>
> So this begs the question:
>
> What changed between 2.6.22 and 2.6.24? huh... funny, heh?
>
> So, if 2.6.24 is finger pointed, I'm interested in a solution, as I have
> a planned upgrade to it in about a month's time.
>
> Nico
>
>
>
>
> _______________________________________________
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> linux-dvb@linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

ivor@ivor.org wrote:
> Not sure if this helps or adds that much to the discussion... (I think this was concluded before)
> But I finally switched back to kernel 2.6.22.19 on March 5th (with current v4l-dvb code) and haven't had any problems with the Nova-t 500 since. Running mythtv with EIT scanning enabled.

Is this a distribution kernel, or one built from virgin (i.e. unmodified from 
www.kernel.org or one of the mirrors) source code?

Is there any possibility of you uploading your .config file somewhere? I'm 
curious what kernel options you have set.. especially USB_SUSPEND (USB 
autosuspend -- not sure if this was added to 2.6.24 or if .22 had it as well; 
I don't have a .22 source tree at the moment).

I'm building a kernel from the 2.6.24.2 virgin source on Ubuntu to do some 
testing; I'd like to prove that the problem exists in 2.6.24 proper before 
screaming "kernel bug". But if 2.6.22 works, a bug is looking more and more 
likely.

Thanks,
-- 
Phil.                         |  (\_/)  This is Bunny. Copy and paste Bunny
lists@philpem.me.uk           | (='.'=) into your signature to help him gain
http://www.philpem.me.uk/     | (")_(") world domination.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Tue, 2008-03-11 at 22:03 +0000, Philip Pemberton wrote:
> ivor@ivor.org wrote:
> > Not sure if this helps or adds that much to the discussion... (I
> think this was concluded before)
> > But I finally switched back to kernel 2.6.22.19 on March 5th (with
> current v4l-dvb code) and haven't had any problems with the Nova-t 500
> since. Running mythtv with EIT scanning enabled.
> 
> Is this a distribution kernel, or one built from virgin (i.e.
> unmodified from 
> www.kernel.org or one of the mirrors) source code?
> 
> Is there any possibility of you uploading your .config file somewhere?
> I'm 
> curious what kernel options you have set.. especially USB_SUSPEND
> (USB 
> autosuspend -- not sure if this was added to 2.6.24 or if .22 had it
> as well; 
> I don't have a .22 source tree at the moment).
> 
> I'm building a kernel from the 2.6.24.2 virgin source on Ubuntu to do
> some 
> testing; I'd like to prove that the problem exists in 2.6.24 proper
> before 
> screaming "kernel bug". But if 2.6.22 works, a bug is looking more and
> more 
> likely.
> 

My Ubuntu-provided 2.6.22 works fine.

And I am not losing any tuner. Not even with the Multirec of MythTV
0.21.

Nico


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[linux-dvb] Nova-T 500 issues - losing one tuner

[Luis Cidoncha]

On Tue, Mar 11, 2008 at 11:10 PM, Nicolas Will <nico@youplala.net> wrote:

 >  > I'm building a kernel from the 2.6.24.2 virgin source on Ubuntu to do
 >  > some
 >  > testing; I'd like to prove that the problem exists in 2.6.24 proper
 >  > before
 >  > screaming "kernel bug". But if 2.6.22 works, a bug is looking more and
 >  > more
 >  > likely.
 >  >
 >

 I'm having the "losing one tuner" problem on my Nova T-500 too.

 I'm currently running a vanilla 2.6.23.9, without USB_SUSPEND (the
 support for it is in the kernel, but I have it desactivated)

 Luis.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Ben Firshman]

When I was having the problem, I was running 2.6.22 (vanilla ubuntu),  
so it doesn't appear to be related to kernel version.

The fix posted a few weeks ago does seem to have stopped it for me. I  
said I lost a tuner recently, but I think that may have just been a  
loss in reception.

Ben

On 11 Mar 2008, at 22:37, Luis Cidoncha wrote:

> On Tue, Mar 11, 2008 at 11:10 PM, Nicolas Will <nico@youplala.net>  
> wrote:
>
>>> I'm building a kernel from the 2.6.24.2 virgin source on Ubuntu to  
>>> do
>>> some
>>> testing; I'd like to prove that the problem exists in 2.6.24 proper
>>> before
>>> screaming "kernel bug". But if 2.6.22 works, a bug is looking more  
>>> and
>>> more
>>> likely.
>>>
>>
>
> I'm having the "losing one tuner" problem on my Nova T-500 too.
>
> I'm currently running a vanilla 2.6.23.9, without USB_SUSPEND (the
> support for it is in the kernel, but I have it desactivated)
>
> Luis.
>
> _______________________________________________
> linux-dvb mailing list
> linux-dvb@linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On 3/12/08, Ben Firshman <ben@firshman.co.uk> wrote:
> When I was having the problem, I was running 2.6.22 (vanilla ubuntu),
> so it doesn't appear to be related to kernel version.
>
> The fix posted a few weeks ago does seem to have stopped it for me. I
> said I lost a tuner recently, but I think that may have just been a
> loss in reception.
>
> Ben
>
> On 11 Mar 2008, at 22:37, Luis Cidoncha wrote:
>
> > On Tue, Mar 11, 2008 at 11:10 PM, Nicolas Will <nico@youplala.net>
> > wrote:
> >
> >>> I'm building a kernel from the 2.6.24.2 virgin source on Ubuntu to
> >>> do
> >>> some
> >>> testing; I'd like to prove that the problem exists in 2.6.24 proper
> >>> before
> >>> screaming "kernel bug". But if 2.6.22 works, a bug is looking more
> >>> and
> >>> more
> >>> likely.
> >>>
> >>
> >
> > I'm having the "losing one tuner" problem on my Nova T-500 too.
> >
> > I'm currently running a vanilla 2.6.23.9, without USB_SUSPEND (the
> > support for it is in the kernel, but I have it desactivated)
> >
> > Luis.
> >
> > _______________________________________________
> > linux-dvb mailing list
> > linux-dvb@linuxtv.org
> > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>
>
> _______________________________________________
> linux-dvb mailing list
> linux-dvb@linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

Could you specify which fix ?

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Henrik Beckman]

[-- Attachment #1.1: Type: text/plain, Size: 809 bytes --]

2.6.22-14 with patches,  stable for me.

/Henrik


On Tue, Mar 11, 2008 at 12:07 PM, <ivor@ivor.org> wrote:

> Not sure if this helps or adds that much to the discussion... (I think
> this was concluded before)
> But I finally switched back to kernel 2.6.22.19 on March 5th (with current
> v4l-dvb code) and haven't had any problems with the Nova-t 500 since.
> Running mythtv with EIT scanning enabled.
>
> Looking in the kernel log I see a single mt2060 read failed message on
> March 6th and 9th and a single mt2060 write failed on March 8th. These
> events didn't cause any problems or cause the tuner or mythtv to fail
> though.
>
> Ivor.
>
>
> _______________________________________________
> linux-dvb mailing list
> linux-dvb@linuxtv.org
> http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

[-- Attachment #1.2: Type: text/html, Size: 1254 bytes --]

[-- Attachment #2: Type: text/plain, Size: 150 bytes --]

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

2008/3/12 Henrik Beckman <henrik.list@gmail.com>:
> 2.6.22-14 with patches,  stable for me.
>
> /Henrik
>
>
>
>
> On Tue, Mar 11, 2008 at 12:07 PM, <ivor@ivor.org> wrote:
> > Not sure if this helps or adds that much to the discussion... (I think
> this was concluded before)
> > But I finally switched back to kernel 2.6.22.19 on March 5th (with current
> v4l-dvb code) and haven't had any problems with the Nova-t 500 since.
> Running mythtv with EIT scanning enabled.
> >
> > Looking in the kernel log I see a single mt2060 read failed message on
> March 6th and 9th and a single mt2060 write failed on March 8th. These
> events didn't cause any problems or cause the tuner or mythtv to fail
> though.
> >
> > Ivor.
> >
> >
> > _______________________________________________
> > linux-dvb mailing list
> > linux-dvb@linuxtv.org
> > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
> >
>
>
> _______________________________________________
>  linux-dvb mailing list
>  linux-dvb@linuxtv.org
>  http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

Henrik:
What options (if any) are you using in modprobe.d ?
Do you mean that you have patched the kernel or the v4l-dvb tree ?

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On Wed, Mar 5, 2008 at 12:03 AM, Ben Firshman <ben@firshman.co.uk> wrote:
> I am quite disappointed to report that one of my tuners has just died
>  this evening. No error messages to speak of.
>
>  Ben
>
>
>
>  On 26 Feb 2008, at 19:18, Philip Pemberton wrote:
>
>  > Patrik Hansson wrote:
>  >> Just wanted to say that I´m experiencing the same.
>  >> Using latest rev (the one with patches merged) + unknown remote key
>  >> patch.
>  >> Ubuntu 7.10
>  >>
>  >> Also having a lot of "prebuffer timeout 10 times" i the middle of
>  >> shows.
>  >
>  > I think I might have a workaround... On Mythbuntu or one of the many
>  > Ubuntu
>  > variants, this seems to work:
>  >
>  > 1)  Run:
>  >       lsmod |grep usbcore
>  >
>  > 2)  If step 1 produced any output that started with 'usbcore', then
>  > usbcore is
>  > loaded as a module. Perform step 3a. Otherwise, step 3b.
>  >
>  > 3a) Create a text file called /etc/modprobe.d/local-dvb (the name is
>  > fairly
>  > irrelevant). Insert one line of text into it:
>  >       options usbcore autosuspend=-1
>  >     Now go to step 4.
>  >
>  > 3b) Your kernel has usbcore built in. That means you have to modify
>  > the kernel
>  > command line...
>  >     Edit /boot/grub/menu.lst (you'll need to sudo to do this).
>  > Search for
>  > this line:
>  > # defoptions=quiet splash
>  >     Amend it to read:
>  > # defoptions=quiet splash usbcore.autosuspend=-1
>  >     It's meant to be commented out, so leave the hash at the
>  > beginning of the
>  > line alone... Save and exit, then run ...
>  > sudo update grub
>  >     Ubuntu will regenerate grub.conf, using the new kernel command
>  > line. Off
>  > to step 4 you go!
>  >
>  >     If you're using a non-Debian distro (e.g. Fedora), do the same
>  > thing but
>  > edit the 'kernel' line instead. It might read:
>  > kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet
>  > splash
>  >     Change it to:
>  > kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet
>  > splash
>  > usbcore.autosuspend=-1
>  >
>  > 4)  Reboot your PC.
>  >
>  > This is a bit long-winded, but saves a kernel recompile, and a ton
>  > of messing
>  > around recompiling kernels when Ubuntu do another release.
>  >
>  > I'm working on what I consider to be a better fix, which involves
>  > using the
>  > kernel's Quirks function to disable USB suspend just for the DiBcom
>  > controllers. That is, the kernel won't try and suspend them at all...
>  >
>  > Thanks,
>  > --
>  > Phil.                         |  (\_/)  This is Bunny. Copy and
>  > paste Bunny
>  > lists@philpem.me.uk           | (='.'=) into your signature to help
>  > him gain
>  > http://www.philpem.me.uk/     | (")_(") world domination.
>  >
>
>
> > _______________________________________________
>  > linux-dvb mailing list
>  > linux-dvb@linuxtv.org
>  > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>
>
>  _______________________________________________
>  linux-dvb mailing list
>  linux-dvb@linuxtv.org
>  http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

I just want check something i just discovered.
Under /sys/module/dvb_core/parameters/ i have something called
dvb_powerdown_on_sleep
This i set to "1" for me.
I also have one called  dvb_shutdown_timeout and that is set to 0

Exactly what is it that options usbcore autosuspend=-1 controls ?

I would have expected that at least one of those should be -1

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On Wed, Mar 12, 2008 at 9:34 PM, Patrik Hansson <patrik@wintergatan.com> wrote:
>
> On Wed, Mar 5, 2008 at 12:03 AM, Ben Firshman <ben@firshman.co.uk> wrote:
>  > I am quite disappointed to report that one of my tuners has just died
>  >  this evening. No error messages to speak of.
>  >
>  >  Ben
>  >
>  >
>  >
>  >  On 26 Feb 2008, at 19:18, Philip Pemberton wrote:
>  >
>  >  > Patrik Hansson wrote:
>  >  >> Just wanted to say that I´m experiencing the same.
>  >  >> Using latest rev (the one with patches merged) + unknown remote key
>  >  >> patch.
>  >  >> Ubuntu 7.10
>  >  >>
>  >  >> Also having a lot of "prebuffer timeout 10 times" i the middle of
>  >  >> shows.
>  >  >
>  >  > I think I might have a workaround... On Mythbuntu or one of the many
>  >  > Ubuntu
>  >  > variants, this seems to work:
>  >  >
>  >  > 1)  Run:
>  >  >       lsmod |grep usbcore
>  >  >
>  >  > 2)  If step 1 produced any output that started with 'usbcore', then
>  >  > usbcore is
>  >  > loaded as a module. Perform step 3a. Otherwise, step 3b.
>  >  >
>  >  > 3a) Create a text file called /etc/modprobe.d/local-dvb (the name is
>  >  > fairly
>  >  > irrelevant). Insert one line of text into it:
>  >  >       options usbcore autosuspend=-1
>  >  >     Now go to step 4.
>  >  >
>  >  > 3b) Your kernel has usbcore built in. That means you have to modify
>  >  > the kernel
>  >  > command line...
>  >  >     Edit /boot/grub/menu.lst (you'll need to sudo to do this).
>  >  > Search for
>  >  > this line:
>  >  > # defoptions=quiet splash
>  >  >     Amend it to read:
>  >  > # defoptions=quiet splash usbcore.autosuspend=-1
>  >  >     It's meant to be commented out, so leave the hash at the
>  >  > beginning of the
>  >  > line alone... Save and exit, then run ...
>  >  > sudo update grub
>  >  >     Ubuntu will regenerate grub.conf, using the new kernel command
>  >  > line. Off
>  >  > to step 4 you go!
>  >  >
>  >  >     If you're using a non-Debian distro (e.g. Fedora), do the same
>  >  > thing but
>  >  > edit the 'kernel' line instead. It might read:
>  >  > kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet
>  >  > splash
>  >  >     Change it to:
>  >  > kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet
>  >  > splash
>  >  > usbcore.autosuspend=-1
>  >  >
>  >  > 4)  Reboot your PC.
>  >  >
>  >  > This is a bit long-winded, but saves a kernel recompile, and a ton
>  >  > of messing
>  >  > around recompiling kernels when Ubuntu do another release.
>  >  >
>  >  > I'm working on what I consider to be a better fix, which involves
>  >  > using the
>  >  > kernel's Quirks function to disable USB suspend just for the DiBcom
>  >  > controllers. That is, the kernel won't try and suspend them at all...
>  >  >
>  >  > Thanks,
>  >  > --
>  >  > Phil.                         |  (\_/)  This is Bunny. Copy and
>  >  > paste Bunny
>  >  > lists@philpem.me.uk           | (='.'=) into your signature to help
>  >  > him gain
>  >  > http://www.philpem.me.uk/     | (")_(") world domination.
>  >  >
>  >
>  >
>  > > _______________________________________________
>  >  > linux-dvb mailing list
>  >  > linux-dvb@linuxtv.org
>  >  > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>  >
>  >
>  >  _______________________________________________
>  >  linux-dvb mailing list
>  >  linux-dvb@linuxtv.org
>  >  http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>  >
>
>  I just want check something i just discovered.
>  Under /sys/module/dvb_core/parameters/ i have something called
>  dvb_powerdown_on_sleep
>  This i set to "1" for me.
>  I also have one called  dvb_shutdown_timeout and that is set to 0
>
>  Exactly what is it that options usbcore autosuspend=-1 controls ?
>
>  I would have expected that at least one of those should be -1
>

.....and now i see were i made my mistake (usbcore vs dvb_core) and
made a fool out of myself.
please disregard my last email.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Ivor Hewitt]

On Tue, Mar 11, 2008 at 04:55:24PM +0100, Patrik Hansson wrote:
> Have you applied any patches to the v4l-dvb source before compiling ?
> 
No patches applied to v4ldvb or kernel source.

> On 3/11/08, Nicolas Will <nico@youplala.net> wrote:
>> What changed between 2.6.22 and 2.6.24? huh... funny, heh?
>>
>> So, if 2.6.24 is finger pointed, I'm interested in a solution, as I have
>> a planned upgrade to it in about a month's time.
>>
In fact I saw failures against linux-2.6.23.12 I've diffed the two trees and am browsing (at leisure) the changes to see if anything "leaps out".

Just enabled mythtv multirec too to see if I can put a bit more stress on the system, still no failures. When I have time I'll flip back to 2.6.11.19 and see how easy/quickly I can get it to fail again.

Cheers,
Ivor.


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Henrik Beckman]

[-- Attachment #1.1: Type: text/plain, Size: 1671 bytes --]

Patched v4l-dvb to include the streaming and reception patches that was
included a while back. (I´ll check the date of my v4l-dvb tree).
I think I have LNA and maybe I disable the remote to, but i need to check
and get back about the modprob-d options.

/Henrik


On Wed, Mar 12, 2008 at 8:48 PM, Patrik Hansson <patrik@wintergatan.com>
wrote:

> 2008/3/12 Henrik Beckman <henrik.list@gmail.com>:
> > 2.6.22-14 with patches,  stable for me.
> >
> > /Henrik
> >
> >
> >
> >
> > On Tue, Mar 11, 2008 at 12:07 PM, <ivor@ivor.org> wrote:
> > > Not sure if this helps or adds that much to the discussion... (I think
> > this was concluded before)
> > > But I finally switched back to kernel 2.6.22.19 on March 5th (with
> current
> > v4l-dvb code) and haven't had any problems with the Nova-t 500 since.
> > Running mythtv with EIT scanning enabled.
> > >
> > > Looking in the kernel log I see a single mt2060 read failed message on
> > March 6th and 9th and a single mt2060 write failed on March 8th. These
> > events didn't cause any problems or cause the tuner or mythtv to fail
> > though.
> > >
> > > Ivor.
> > >
> > >
> > > _______________________________________________
> > > linux-dvb mailing list
> > > linux-dvb@linuxtv.org
> > > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
> > >
> >
> >
> > _______________________________________________
> >  linux-dvb mailing list
> >  linux-dvb@linuxtv.org
> >  http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
> >
>
> Henrik:
> What options (if any) are you using in modprobe.d ?
> Do you mean that you have patched the kernel or the v4l-dvb tree ?
>

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[linux-dvb] Nova-T 500 issues - losing one tuner

[Ivor Hewitt]

[-- Attachment #1: Type: text/plain, Size: 378 bytes --]

Still no failures here on 2.6.22.19, had one or two "mt2060 I2C write failed" messages but that didn't stop anything working. Running mythtv with multi-rec.
I've attached the list of usb and i2c named files that changed between 2.6.22.19 and linux-2.6.23.12. I'll browse through and if I have time I'll apply a few of the diffs and see if I can create a breakage.

Cheers,
Ivor

[-- Attachment #2: diffs --]
[-- Type: text/plain, Size: 9512 bytes --]

+++ ../linux-2.6.23.12/./arch/cris/arch-v32/drivers/i2c.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./arch/powerpc/platforms/powermac/low_i2c.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/i2c-core.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-i801.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-piix4.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-gpio.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-savage4.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-mv64xxx.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-nforce2.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-mpc.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-pxa.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-acorn.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-viapro.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-powermac.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-sis5595.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-iop3xx.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/busses/i2c-s3c2410.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/i2c/i2c-dev.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/sbus/char/bbc_i2c.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-i2c.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/video/cx88/cx88-vp3054-i2c.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/video/cx88/cx88-vp3054-i2c.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/video/cx88/cx88-i2c.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/video/ivtv/ivtv-i2c.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/video/ir-kbd-i2c.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./include/linux/i2c.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./include/linux/i2c-id.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./sound/usb/usx2y/usbusx2yaudio.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./sound/usb/usbmixer.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./sound/usb/usbquirks.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./sound/usb/usbaudio.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/hid/usbhid/usbkbd.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/net/usb/usbnet.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/net/usb/usbnet.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/net/irda/irda-usb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/net/wireless/zd1211rw/zd_usb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/net/wireless/zd1211rw/zd_usb.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/atm/usbatm.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/mon/usb_mon.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/core/usb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/core/usb.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/misc/legousbtower.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/misc/ldusb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/misc/usbtest.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/misc/usblcd.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/misc/sisusbvga/sisusb_con.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/misc/sisusbvga/sisusb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/misc/sisusbvga/sisusb_init.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/class/usblp.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/storage/usb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/storage/usb.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/storage/usb-storage.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/gadget/fsl_usb2_udc.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/gadget/fsl_usb2_udc.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/usb-skeleton.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/serial/kl5kusb105.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/serial/io_usbvend.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/serial/ti_usb_3410_5052.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/serial/usb-serial.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/usb/serial/ir-usb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/char/watchdog/pcwd_usb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/isdn/hisax/hfc_usb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/isdn/hisax/hfc_usb.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/input/touchscreen/usbtouchscreen.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-ttusb2.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dibusb.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-i2c.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-ids.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-dibusb-mc.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/cxusb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-digitv.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-remote.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-m920x.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dibusb-common.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-a800.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-au6610.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-dibusb-common.mod.c	2007-12-27 21:01:19.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-vp702x.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-gl861.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-dib0700.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dibusb-mb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-opera.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-gp8psk.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-cxusb.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-nova-t-usb2.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-vp7045.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-dtt200u.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-umt-010.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/dvb/dvb-usb/dvb-usb-dibusb-mb.mod.c	2008-01-21 09:49:39.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/video/usbvision/usbvision-cards.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/video/usbvision/usbvision-core.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/video/usbvision/usbvision.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/media/video/usbvision/usbvision-video.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/bluetooth/hci_usb.c	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./drivers/bluetooth/hci_usb.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./include/linux/usb.h	2007-12-18 21:55:57.000000000 +0000
+++ ../linux-2.6.23.12/./include/linux/usb_gadget.h	2007-12-18 21:55:57.000000000 +0000

[-- Attachment #3: Type: text/plain, Size: 150 bytes --]

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

I tried changing to 2.6.22-19 on my ubuntu 7.10 with autosuspend=-1
but i still lost one tuner.

Have reverted back to 2.6.22-14-generic now and have disabled the
remote-pulling...and i just lost a tuner, restarting my cardclient and
mythbackend got it back.

Did you have remote-pulling disabled in -19 ?

2008/3/14 Ivor Hewitt <ivor@ivor.org>:
> Still no failures here on 2.6.22.19, had one or two "mt2060 I2C write failed" messages but that didn't stop anything working. Running mythtv with multi-rec.
>  I've attached the list of usb and i2c named files that changed between 2.6.22.19 and linux-2.6.23.12. I'll browse through and if I have time I'll apply a few of the diffs and see if I can create a breakage.
>
>  Cheers,
>  Ivor
>
> _______________________________________________
>  linux-dvb mailing list
>  linux-dvb@linuxtv.org
>  http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Ivor Hewitt]

Patrik Hansson wrote:
> I tried changing to 2.6.22-19 on my ubuntu 7.10 with autosuspend=-1
> but i still lost one tuner.
>
> Have reverted back to 2.6.22-14-generic now and have disabled the
> remote-pulling...and i just lost a tuner, restarting my cardclient and
> mythbackend got it back.
>
> Did you have remote-pulling disabled in -19 ?
>
>   
Still ticking along nicely here.

I have options:
options dvb-usb-dib0700 force_lna_activation=1
options dvb-usb disable_rc_polling=1
(since I have no remote)

Is the ubuntu kernel completely generic?

I still see an mt2060 write failed error every now and then (four in the 
past 24 hours), but that doesn't appear to break anything. Do you have 
complete tuner loss as soon as you get a write error?

Ivor.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Nicolas Will]

On Sat, 2008-03-15 at 19:42 +0000, Ivor Hewitt wrote:
> 
> Patrik Hansson wrote:
> > I tried changing to 2.6.22-19 on my ubuntu 7.10 with autosuspend=-1
> > but i still lost one tuner.
> >
> > Have reverted back to 2.6.22-14-generic now and have disabled the
> > remote-pulling...and i just lost a tuner, restarting my cardclient
> and
> > mythbackend got it back.
> >
> > Did you have remote-pulling disabled in -19 ?
> >
> >   
> Still ticking along nicely here.
> 
> I have options:
> options dvb-usb-dib0700 force_lna_activation=1
> options dvb-usb disable_rc_polling=1
> (since I have no remote)

I only have the lna option.


> 
> Is the ubuntu kernel completely generic?

Really not, if you mean straight out of kernel.org.


> 
> I still see an mt2060 write failed error every now and then (four in
> the 
> past 24 hours), but that doesn't appear to break anything. Do you
> have 
> complete tuner loss as soon as you get a write error?


I do get some of those errors, never a tuner drop.

Nico


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Nicolas Will wrote:
> My Ubuntu-provided 2.6.22 works fine.
> 
> And I am not losing any tuner. Not even with the Multirec of MythTV
> 0.21.

Right, well I've had enough of Ubuntu 8.04a2 (and I've learned a valuable 
lesson about not using alpha OSes on "production" systems). This is mostly 
down to my own actions, though -- the kernel is utterly hosed, the nVidia 
driver won't load, and the HVR-3000 is refusing to talk (instead insisting 
that the demux chip isn't talking).

I've backed the system off to 7.10 (Gutsy) and it seems stable -- I had to 
modify the patch from http://dev.kewl.org/hauppauge/ to apply on the latest Hg 
source... Much fun. It seems to work, so I'll probably publish the repository 
tomorrow some time (after the day I've had I don't feel like doing much of 
anything).

Plus I'd rather like to see if it works before I go unleashing it on the 
masses at large.

I'm just waiting for ScanDVB to finish making a channels.conf for ASTRA 28.2E, 
after that I'll see if I can crash the T500 :)

-- 
Phil.                         |  (\_/)  This is Bunny. Copy and paste Bunny
lists@philpem.me.uk           | (='.'=) into your signature to help him gain
http://www.philpem.me.uk/     | (")_(") world domination.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On Sat, Mar 15, 2008 at 8:42 PM, Ivor Hewitt <ivor@ivor.org> wrote:
> Patrik Hansson wrote:
>  > I tried changing to 2.6.22-19 on my ubuntu 7.10 with autosuspend=-1
>  > but i still lost one tuner.
>  >
>  > Have reverted back to 2.6.22-14-generic now and have disabled the
>  > remote-pulling...and i just lost a tuner, restarting my cardclient and
>  > mythbackend got it back.
>  >
>  > Did you have remote-pulling disabled in -19 ?
>  >
>  >
>  Still ticking along nicely here.
>
>  I have options:
>  options dvb-usb-dib0700 force_lna_activation=1
>  options dvb-usb disable_rc_polling=1
>  (since I have no remote)
>
>  Is the ubuntu kernel completely generic?
>
>  I still see an mt2060 write failed error every now and then (four in the
>  past 24 hours), but that doesn't appear to break anything. Do you have
>  complete tuner loss as soon as you get a write error?
>
>  Ivor.
>

The only error in my log the lat time i lost a tuner was:
mt2060 I2C read failed

So not even a write failed.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Sid Boyce]

Philip Pemberton wrote:
> Nicolas Will wrote:
>> My Ubuntu-provided 2.6.22 works fine.
>>
>> And I am not losing any tuner. Not even with the Multirec of MythTV
>> 0.21.
> 
> Right, well I've had enough of Ubuntu 8.04a2 (and I've learned a valuable
> lesson about not using alpha OSes on "production" systems). This is mostly
> down to my own actions, though -- the kernel is utterly hosed, the nVidia
> driver won't load, and the HVR-3000 is refusing to talk (instead insisting
> that the demux chip isn't talking).
> 
> I've backed the system off to 7.10 (Gutsy) and it seems stable -- I had to
> modify the patch from http://dev.kewl.org/hauppauge/ to apply on the latest Hg
> source... Much fun. It seems to work, so I'll probably publish the repository
> tomorrow some time (after the day I've had I don't feel like doing much of
> anything).
> 
> Plus I'd rather like to see if it works before I go unleashing it on the
> masses at large.
> 
> I'm just waiting for ScanDVB to finish making a channels.conf for ASTRA 28.2E,
> after that I'll see if I can crash the T500 :)
> 

Regarding the NVidia module, NVidia themselves haven't yet conjured up a 
fix for the latest kernels. I hope they do so as one kernel symbol 
(init_mm) that is needed was temporarily reexported and will again not 
be exported  from 2.6.26-rc. That seems to be the holdup at NVidia, 
hopefully will be sorted by the time 2.6.25 final appears.
NVIDIA_2.6.25.patch.txt can be downloaded from the NVidia Linux forum 
which works with later 2.6.24-git kernels and 2.6.25-rc. Here I have 
been  running it with kernels up to current 2.6.25-rc5-git5.
Regards
Sid.
-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support 
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks


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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Philip Pemberton]

Sid Boyce wrote:
> Regarding the NVidia module, NVidia themselves haven't yet conjured up a 
> fix for the latest kernels.
[snip]

This was on 2.6.24 -- once I downgraded to 2.6.22, just about everything that 
could break, did. For bonus points, none of the packages would recompile 
either (but maybe I was being stupid).

Like said, it was easier to just hose it down and start over.

I've got the following kopts enabled for the DVB modules:

==============================================================

pvr@dragon:~$ cat /etc/modprobe.d/dvb-options
# enable LNA for Hauppauge Nova-T-500
options dvb-usb-dib0700 force_lna_activation=1

# disable IR remote for Nova-T-500 (and other USB-DVB IRCs)
options dvb-usb disable_rc_polling=1

# force card order -- DiB0700 (Nova-T-500) first, then CX88 (HVR-3000).
# also creates virtual i/f 10 so Myth can see the Freeview hybrid
install cx88-dvb /sbin/modprobe dvb-usb-dib0700; /sbin/modprobe 
--ignore-install cx88-dvb; mkdir -p /dev/dvb/adapter10; ln -sf 
/dev/dvb/adapter2/demux1 /dev/dvb/adapter10/demux0; ln -sf 
/dev/dvb/adapter2/dvr1 /dev/dvb/adapter10/dvr0; ln -sf 
/dev/dvb/adapter2/frontend1 /dev/dvb/adapter10/frontend0; ln -sf 
/dev/dvb/adapter2/net1 /dev/dvb/adapter10/net0

==============================================================

At the moment both of the Nova-T-500's tuners are recording live TV, and the 
HVR-3000 is in DVT-T mode and recording too. No problems yet, but uptime is 
only 75 minutes. It's got a massive list of things to record overnight (think 
"stress test"), so fingers crossed. The only USB disconnect warning in dmesg 
is from when I unplugged the USB mouse after I got the R/C working.

-- 
Phil.                         |  (\_/)  This is Bunny. Copy and paste Bunny
lists@philpem.me.uk           | (='.'=) into your signature to help him gain
http://www.philpem.me.uk/     | (")_(") world domination.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On Sat, Mar 15, 2008 at 10:42 PM, Patrik Hansson <patrik@wintergatan.com> wrote:
>
> On Sat, Mar 15, 2008 at 8:42 PM, Ivor Hewitt <ivor@ivor.org> wrote:
>  > Patrik Hansson wrote:
>  >  > I tried changing to 2.6.22-19 on my ubuntu 7.10 with autosuspend=-1
>  >  > but i still lost one tuner.
>  >  >
>  >  > Have reverted back to 2.6.22-14-generic now and have disabled the
>  >  > remote-pulling...and i just lost a tuner, restarting my cardclient and
>  >  > mythbackend got it back.
>  >  >
>  >  > Did you have remote-pulling disabled in -19 ?
>  >  >
>  >  >
>  >  Still ticking along nicely here.
>  >
>  >  I have options:
>  >  options dvb-usb-dib0700 force_lna_activation=1
>  >  options dvb-usb disable_rc_polling=1
>  >  (since I have no remote)
>  >
>  >  Is the ubuntu kernel completely generic?
>  >
>  >  I still see an mt2060 write failed error every now and then (four in the
>  >  past 24 hours), but that doesn't appear to break anything. Do you have
>  >  complete tuner loss as soon as you get a write error?
>  >
>  >  Ivor.
>  >
>
>  The only error in my log the lat time i lost a tuner was:
>  mt2060 I2C read failed
>
>  So not even a write failed.
>

During the night i had another read failed, but this time both tuners
stayed alive.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On Sun, Mar 16, 2008 at 10:40 AM, Patrik Hansson <patrik@wintergatan.com> wrote:
>
> On Sat, Mar 15, 2008 at 10:42 PM, Patrik Hansson <patrik@wintergatan.com> wrote:
>  >
>  > On Sat, Mar 15, 2008 at 8:42 PM, Ivor Hewitt <ivor@ivor.org> wrote:
>  >  > Patrik Hansson wrote:
>  >  >  > I tried changing to 2.6.22-19 on my ubuntu 7.10 with autosuspend=-1
>  >  >  > but i still lost one tuner.
>  >  >  >
>  >  >  > Have reverted back to 2.6.22-14-generic now and have disabled the
>  >  >  > remote-pulling...and i just lost a tuner, restarting my cardclient and
>  >  >  > mythbackend got it back.
>  >  >  >
>  >  >  > Did you have remote-pulling disabled in -19 ?
>  >  >  >
>  >  >  >
>  >  >  Still ticking along nicely here.
>  >  >
>  >  >  I have options:
>  >  >  options dvb-usb-dib0700 force_lna_activation=1
>  >  >  options dvb-usb disable_rc_polling=1
>  >  >  (since I have no remote)
>  >  >
>  >  >  Is the ubuntu kernel completely generic?
>  >  >
>  >  >  I still see an mt2060 write failed error every now and then (four in the
>  >  >  past 24 hours), but that doesn't appear to break anything. Do you have
>  >  >  complete tuner loss as soon as you get a write error?
>  >  >
>  >  >  Ivor.
>  >  >
>  >
>  >  The only error in my log the lat time i lost a tuner was:
>  >  mt2060 I2C read failed
>  >
>  >  So not even a write failed.
>  >
>
>  During the night i had another read failed, but this time both tuners
>  stayed alive.
>

Just wanted to add that i just lost a tuner (no.2) (eq L__ in mythtv),
but this time without errors in dmesg.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Luis Cidoncha]

>  Still ticking along nicely here.
>
>  I have options:
>  options dvb-usb-dib0700 force_lna_activation=1
>  options dvb-usb disable_rc_polling=1
>  (since I have no remote)
>
>  Is the ubuntu kernel completely generic?
>
>  I still see an mt2060 write failed error every now and then (four in the
>  past 24 hours), but that doesn't appear to break anything. Do you have
>  complete tuner loss as soon as you get a write error?
>
>
>
>  Ivor.

Any news? Are the two tuners still alive?

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

On Wed, Mar 12, 2008 at 10:38 PM, Patrik Hansson <patrik@wintergatan.com> wrote:
>
> On Wed, Mar 12, 2008 at 9:34 PM, Patrik Hansson <patrik@wintergatan.com> wrote:
>  >
>  > On Wed, Mar 5, 2008 at 12:03 AM, Ben Firshman <ben@firshman.co.uk> wrote:
>  >  > I am quite disappointed to report that one of my tuners has just died
>  >  >  this evening. No error messages to speak of.
>  >  >
>  >  >  Ben
>  >  >
>  >  >
>  >  >
>  >  >  On 26 Feb 2008, at 19:18, Philip Pemberton wrote:
>  >  >
>  >  >  > Patrik Hansson wrote:
>  >  >  >> Just wanted to say that I´m experiencing the same.
>  >  >  >> Using latest rev (the one with patches merged) + unknown remote key
>  >  >  >> patch.
>  >  >  >> Ubuntu 7.10
>  >  >  >>
>  >  >  >> Also having a lot of "prebuffer timeout 10 times" i the middle of
>  >  >  >> shows.
>  >  >  >
>  >  >  > I think I might have a workaround... On Mythbuntu or one of the many
>  >  >  > Ubuntu
>  >  >  > variants, this seems to work:
>  >  >  >
>  >  >  > 1)  Run:
>  >  >  >       lsmod |grep usbcore
>  >  >  >
>  >  >  > 2)  If step 1 produced any output that started with 'usbcore', then
>  >  >  > usbcore is
>  >  >  > loaded as a module. Perform step 3a. Otherwise, step 3b.
>  >  >  >
>  >  >  > 3a) Create a text file called /etc/modprobe.d/local-dvb (the name is
>  >  >  > fairly
>  >  >  > irrelevant). Insert one line of text into it:
>  >  >  >       options usbcore autosuspend=-1
>  >  >  >     Now go to step 4.
>  >  >  >
>  >  >  > 3b) Your kernel has usbcore built in. That means you have to modify
>  >  >  > the kernel
>  >  >  > command line...
>  >  >  >     Edit /boot/grub/menu.lst (you'll need to sudo to do this).
>  >  >  > Search for
>  >  >  > this line:
>  >  >  > # defoptions=quiet splash
>  >  >  >     Amend it to read:
>  >  >  > # defoptions=quiet splash usbcore.autosuspend=-1
>  >  >  >     It's meant to be commented out, so leave the hash at the
>  >  >  > beginning of the
>  >  >  > line alone... Save and exit, then run ...
>  >  >  > sudo update grub
>  >  >  >     Ubuntu will regenerate grub.conf, using the new kernel command
>  >  >  > line. Off
>  >  >  > to step 4 you go!
>  >  >  >
>  >  >  >     If you're using a non-Debian distro (e.g. Fedora), do the same
>  >  >  > thing but
>  >  >  > edit the 'kernel' line instead. It might read:
>  >  >  > kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet
>  >  >  > splash
>  >  >  >     Change it to:
>  >  >  > kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet
>  >  >  > splash
>  >  >  > usbcore.autosuspend=-1
>  >  >  >
>  >  >  > 4)  Reboot your PC.
>  >  >  >
>  >  >  > This is a bit long-winded, but saves a kernel recompile, and a ton
>  >  >  > of messing
>  >  >  > around recompiling kernels when Ubuntu do another release.
>  >  >  >
>  >  >  > I'm working on what I consider to be a better fix, which involves
>  >  >  > using the
>  >  >  > kernel's Quirks function to disable USB suspend just for the DiBcom
>  >  >  > controllers. That is, the kernel won't try and suspend them at all...
>  >  >  >
>  >  >  > Thanks,
>  >  >  > --
>  >  >  > Phil.                         |  (\_/)  This is Bunny. Copy and
>  >  >  > paste Bunny
>  >  >  > lists@philpem.me.uk           | (='.'=) into your signature to help
>  >  >  > him gain
>  >  >  > http://www.philpem.me.uk/     | (")_(") world domination.
>  >  >  >
>  >  >
>  >  >
>  >  > > _______________________________________________
>  >  >  > linux-dvb mailing list
>  >  >  > linux-dvb@linuxtv.org
>  >  >  > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>  >  >
>  >  >
>  >  >  _______________________________________________
>  >  >  linux-dvb mailing list
>  >  >  linux-dvb@linuxtv.org
>  >  >  http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>  >  >
>  >
>  >  I just want check something i just discovered.
>  >  Under /sys/module/dvb_core/parameters/ i have something called
>  >  dvb_powerdown_on_sleep
>  >  This i set to "1" for me.
>  >  I also have one called  dvb_shutdown_timeout and that is set to 0
>  >
>  >  Exactly what is it that options usbcore autosuspend=-1 controls ?
>  >
>  >  I would have expected that at least one of those should be -1
>  >
>
>  .....and now i see were i made my mistake (usbcore vs dvb_core) and
>  made a fool out of myself.
>  please disregard my last email.
>

Just wanted to report that since stopped the active EIT scanning in
mythtv-setup my NOVA-T 500 PCI have been stable for 4 days now with
2.6.22-14 without any special module options or anything like that.
Before i never had both tuners working for more that 24 hours so that
seems to be the workaround for the moment.
The card still collects EIT data when watching tv so EPG still works.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[daniel åkerud]

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On Sat, Apr 5, 2008 at 1:34 PM, Patrik Hansson <patrik@wintergatan.com>
wrote:

> Just wanted to report that since stopped the active EIT scanning in
> mythtv-setup my NOVA-T 500 PCI have been stable for 4 days now with
> 2.6.22-14 without any special module options or anything like that.
> Before i never had both tuners working for more that 24 hours so that
> seems to be the workaround for the moment.
> The card still collects EIT data when watching tv so EPG still works.
>
>
I second that. I disabled Active EIT (mythtv-setup) and also added:
options usbcore autosuspend=-1
options dvb_usb disable_rc_polling=1
to the module options. My system has been rock solid since (~2 weeks) and I
used to have at least a couple of problems per week before.
/D

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Patrik Hansson]

2008/4/8 daniel åkerud <daniel.akerud@gmail.com>:
> On Sat, Apr 5, 2008 at 1:34 PM, Patrik Hansson <patrik@wintergatan.com>
> wrote:
>
> > Just wanted to report that since stopped the active EIT scanning in
> > mythtv-setup my NOVA-T 500 PCI have been stable for 4 days now with
> > 2.6.22-14 without any special module options or anything like that.
> > Before i never had both tuners working for more that 24 hours so that
> > seems to be the workaround for the moment.
> > The card still collects EIT data when watching tv so EPG still works.
> >
> >
> >
> >
> >
>
> I second that. I disabled Active EIT (mythtv-setup) and also added:
> options usbcore autosuspend=-1
>
> options dvb_usb disable_rc_polling=1
>  to the module options. My system has been rock solid since (~2 weeks) and I
> used to have at least a couple of problems per week before.
> /D
>
>
> _______________________________________________
>  linux-dvb mailing list
>  linux-dvb@linuxtv.org
>  http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
>

Did you also try without adding the module options ?
Just to confirm if they were needed.

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[daniel åkerud]

[-- Attachment #1.1: Type: text/plain, Size: 1205 bytes --]

On Tue, Apr 8, 2008 at 6:25 PM, Patrik Hansson <patrik@wintergatan.com>
wrote:

> 2008/4/8 daniel åkerud <daniel.akerud@gmail.com>:
> > On Sat, Apr 5, 2008 at 1:34 PM, Patrik Hansson <patrik@wintergatan.com>
> > wrote:
> >
> > > Just wanted to report that since stopped the active EIT scanning in
> > > mythtv-setup my NOVA-T 500 PCI have been stable for 4 days now with
> > > 2.6.22-14 without any special module options or anything like that.
> > > Before i never had both tuners working for more that 24 hours so that
> > > seems to be the workaround for the moment.
> > > The card still collects EIT data when watching tv so EPG still works.
> > >
> > >
> > >
> > >
> > >
> >
> > I second that. I disabled Active EIT (mythtv-setup) and also added:
> > options usbcore autosuspend=-1
> >
> > options dvb_usb disable_rc_polling=1
> >  to the module options. My system has been rock solid since (~2 weeks)
> and I
> > used to have at least a couple of problems per week before.
> > /D
> >
> Did you also try without adding the module options ?
> Just to confirm if they were needed.
>

Unfortunately not! I just had enough and did everything I could in one go
:-D

/D

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Re: [linux-dvb] Nova-T 500 issues - losing one tuner

[Luis Cidoncha]

>
 >  Just wanted to report that since stopped the active EIT scanning in
 >  mythtv-setup my NOVA-T 500 PCI have been stable for 4 days now with
 >  2.6.22-14 without any special module options or anything like that.
 >  Before i never had both tuners working for more that 24 hours so that
 >  seems to be the workaround for the moment.
 >  The card still collects EIT data when watching tv so EPG still works.
 >

 Hi. I was suffering the "loser one tuner" problem, and I just want to
 add that I use MythTV with active EIT scanning and my system has been
 stable for 4 days without a problem.

 MythTV has a parameter to delay the tuning of channels in the same
 configuration screen where you select active/passive EIT scanning.
 More precisely, it's at the right of the Active EIT scanning checkbox.
 I have adapter0 with passive EIT scanning, and 0 delay, and adapter1
 with Active EIT scanning and 150ms of tuning delay. That solved the
 tuner-losing stuff and also I have my EIT fully populated.

 Hope this can help you. Luis.



-- 
"I don't need a plan, just a goal. The rest will follow on its own"

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