Re: [linux-dvb] Problems with MSI Digivox Duo DVB-T USB, Ubuntu 8.04

[Antti Palosaari <crope@iki.fi>]

Thomas Ickes wrote:
> Hello,
> 
> isn't there anyone who has some hints for me regarding the PID Filter Problems?

For me it looked like af9015_pid_filter_ctrl() was failing and thats why 
errors. I don't have idea why it is failing. But I did special build for 
you to test again. Now whole PID-filter is disabled.
http://linuxtv.org/hg/~anttip/af9015_disable_pid_filter/

PID-filtering is needed if we have only USB1.1 ports. PID-filter removes 
  unnecessary channels from transport stream that it can fit to USB1.1 
speed. USB2.0 does not need PID-filtering because it is capable of 
transfer whole stream (MUX).

Antti
> 
> Thanks
> Thomas
> 
> -----Ursprüngliche Nachricht-----
> Von: linux-dvb-bounces@linuxtv.org [mailto:linux-dvb-bounces@linuxtv.org] Im Auftrag von tom
> Gesendet: Sonntag, 20. Juli 2008 15:19
> An: Antti Palosaari
> Cc: linux-dvb@linuxtv.org
> Betreff: Re: [linux-dvb] Problems with MSI Digivox Duo DVB-T USB, Ubuntu 8.04
> 
> Hello Antti,
> 
> based on the techn. spec of my notebook (compaq evo n800w) there are usb
> 2.0 ports...
> I'm lost in space regarding the pid filters, I even don't know what the
> pid filter is :-). Sorry, but I'm not using linux for so long...
> 
> Maybe someone else have an idea why this is not working.
> 
> Thomas 
> 
> Am Sonntag, den 20.07.2008, 15:56 +0300 schrieb Antti Palosaari:
>> hello tom
>>
>> tom wrote:
>>> results of lsmod | grep dvb:
>>>
>>> dvb_usb_af9015         24332  0 
>>> dvb_usb                22924  1 dvb_usb_af9015
>>> dvb_core               80636  1 dvb_usb
>>> i2c_core               24832  4 mxl5005s,af9013,dvb_usb_af9015,dvb_usb
>>> usbcore               146028
>>> 6 dvb_usb_af9015,dvb_usb,usbhid,ehci_hcd,ohci_hcd
>>>
>>> Thomas
>>>
>>>
>>> Am Samstag, den 19.07.2008, 10:58 +0200 schrieb tom:
>>>> Hi Antti,
>>>> I have installed the driver. After reboot dmesg gives the following.
>>>> [ 1532.502328] dvb-usb: could not handle pid_parser
>> I don't know whats wrong but it looks like coming from PID-filter. You 
>> have only USB1.1 ports?
>>
>> Driver will disable 2nd tuner / frontend if there is only USB1.1 because 
>>   I don't know if there is any way to use PID-filters for 2nd frontend. 
>> Also FE#1 performance is bad in dual tuner device for unknown reason. 
>> But I still don't see reason why your device is not working.
>>
>> Thats weird situation:
>> dual mode (2 receivers):
>> FE#1 bad
>> FE#2 good
>> single mode (1 receiver):
>> FE#1 good
>>
> 
> 
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-- 
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