Re: Hauppage Nova: doesn't know how to handle a DVBv3 call to delivery system 0

[Gianluca Gennari <gennarone@gmail.com>]

Il 15/01/2012 12:35, razza lists ha scritto:
> On Sat, Jan 14, 2012 at 11:44 PM, Gianluca Gennari <gennarone@gmail.com> wrote:
>>
>> Il 15/01/2012 00:41, RazzaList ha scritto:
>>> I have followed the build instructions for the Hauppauge MyTV.t device here
>>> - http://linuxtv.org/wiki/index.php/Hauppauge_myTV.t and built the drivers
>>> as detailed here -
>>> http://linuxtv.org/wiki/index.php/How_to_Obtain,_Build_and_Install_V4L-DVB_D
>>> evice_Drivers on a CentOS 6.2 i386 build.
>>>
>>> When I use dvbscan, nothing happens. dmesg shows "
>>> dvb_frontend_ioctl_legacy: doesn't know how to handle a DVBv3 call to
>>> delivery system 0"
>>>
>>> [root@cos6 ~]# cd /usr/bin
>>> [root@cos6 bin]# ./dvbscan /usr/share/dvb/dvb-t/uk-Hannington >
>>> /usr/share/dvb/dvb-t/channels.conf
>>> [root@cos6 bin]# dmesg | grep dvb
>>> dvb-usb: found a 'Hauppauge Nova-T MyTV.t' in warm state.
>>> dvb-usb: will pass the complete MPEG2 transport stream to the software
>>> demuxer.
>>> dvb-usb: schedule remote query interval to 50 msecs.
>>> dvb-usb: Hauppauge Nova-T MyTV.t successfully initialized and connected.
>>> usbcore: registered new interface driver dvb_usb_dib0700
>>> dvb_frontend_ioctl_legacy: doesn't know how to handle a DVBv3 call to
>>> delivery system 0
>>>
>>> I have searched but can't locate a fix. Any pointers?
>>>
>>>
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>>
>> Hi,
>> this patch will likely fix your problem:
>>
>> http://patchwork.linuxtv.org/patch/9492/
>>
>> Best regards,
>> Gianluca
> 
> It's very likely the case I'm doing something wrong and I apologise in
> advance! However some help/guidance would be great...
> 
> I have downloaded the sources as described in the basic approach here
> - http://linuxtv.org/wiki/index.php/How_to_Obtain,_Build_and_Install_V4L-DVB_Device_Drivers
> 
> In the source there is no file called "dvb_frontend.c", so I assume I
> start the media_build/build script?
> If I do, eventually this creates
> media_build/linux/drivers/media/dvb/dvb-core/dvb_frontend.c
> 
> I then apply the patch to
> media_build/linux/drivers/media/dvb/dvb-core/dvb_frontend.c, and I can
> see the added elements...
> ....
> static int dvb_frontend_clear_cache(struct dvb_frontend *fe)
> {
>         struct dtv_frontend_properties *c = &fe->dtv_property_cache;
>         int i;
>        	u32 delsys;
> 
>         delsys = c->delivery_system;
>         memset(c, 0, sizeof(struct dtv_frontend_properties));
>         c->delivery_system = delsys;
> 
>         c->state = DTV_CLEAR;
> 
>         dprintk("%s() Clearing cache for delivery system %d\n", __func__,
>                	c->delivery_system);
> ................
> 
> After a reboot (as I have not got a clue about unloading modules etc.)
> I then execute make install but I still get the same error
> "dvb_frontend_ioctl_legacy: doesn't know how to handle a DVBv3 call to
> delivery system 0" when I use dvbscan.
> 

You are almost there.
After you apply the patch, you have to recompile the entire source tree.
You can do it launching the "make" command inside the linux/ folder.
Then reinstall the drivers giving "make install" from the media_build/
folder, and reboot.

Best regards,
Gianluca