[linux-dvb] Re: nova budget / vdr breaks the driver..

[Pasi Kärkkäinen <pasik@iki.fi>]

On Sat, Mar 20, 2004 at 11:45:27PM +0100, Nico wrote:
> Pasi Kärkkäinen wrote:
> 
> >On Thu, Mar 18, 2004 at 11:03:48PM +0200, Pasi Kärkkäinen wrote:
> > 
> >
> >>On Thu, Mar 18, 2004 at 06:21:26PM +0100, Johannes Stezenbach wrote:
> >>   
> >>
> >>>Pasi Kärkkäinen wrote:
> >>>     
> >>>
> >>>>I'm using WinTV Nova-t PCI DVB-T budget card with linuxtv-dvb-1.1.0 
> >>>>driver
> >>>>on Linux 2.4.24.
> >>>>
> >>>>If I run vdr (1.3.6) as the first application after the reboot, I don't 
> >>>>get
> >>>>any signal.. mplayer doesn't work either after this. mplayer complains 
> >>>>that
> >>>>dvb streaming read fails.
> >>>>
> >>>>But, If I run mplayer as the first application after the reboot, it 
> >>>>works
> >>>>well. After running mplayer, vdr works too. And mplayer works after vdr 
> >>>>too
> >>>>in this case :)
> >>>>
> >>>>So, If I run vdr before mplayer, it somehow breaks the driver.. I guess.
> >>>>Any ideas? There's no errors in the logs. Reloading the drivers doesn't
> >>>>help. 
> >>>>
> >>>>If you run vdr before mplayer, only solution is to reboot to get the dvb
> >>>>card working again.. weird :)
> >>>>       
> >>>>
> >>>This sounds interesting. What frontend?
> >>>
> >>>     
> >>>
> >>saa7146: register extension 'budget dvb'.
> >>saa7146_core: found saa7146 @ mem d0a51000 (revision 1, irq 11)
> >>(0x13c2,0x1005).
> >>DVB: registering new adapter (TT-Budget/WinTV-NOVA-T  PCI).
> >>TT-Budget/WinTV-NOVA-T  PCI adapter 0 has MAC addr = mac:goes:here
> >>DVB: registering frontend 0:0 (Grundig 29504-401)...
> >>
> >>
> >>   
> >>
> >>>The only thing I can imagine is that vdr calls some ioctl
> >>>before the frontend is fully initialized (the driver should
> >>>prevent this, of course), and then the frontend
> >>>crashes and needs to be power-cycled.
> >>>
> >>>Can anyone else reproduce this?
> >>>
> >>>     
> >>>
> >>This is reproducible for me atleast.. happens every time.
> >>
> >>   
> >>
> >
> >This is the output from mplayer after running vdr:
> >
> >TUNER TYPE SEEMS TO BE DVB-T
> >code taken from dvbstream for mplayer v0.4pre1 - (C) Dave Chapman 2001
> >Released under the GPL.
> >Latest version available from http://www.linuxstb.org/
> >dvb_tune Freq: 554000000
> >dvb_streaming_read, attempt N. 6 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, attempt N. 5 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, attempt N. 4 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, attempt N. 3 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, attempt N. 2 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, attempt N. 1 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, return 0 bytes
> >dvb_streaming_read, attempt N. 6 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, attempt N. 5 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, attempt N. 4 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, attempt N. 3 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, attempt N. 2 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, attempt N. 1 failed with errno 11 when reading 2048
> >bytes
> >dvb_streaming_read, return 0 bytes
> >dvb_streaming_read, attempt N. 6 failed with errno 11 when reading 2048
> >bytes
> >
> >.. and gonna reboot :)
> >
> >-- Pasi Kärkkäinen
> >      
> >                                  ^
> >                               .     .
> >                                Linux
> >                             /    -    \
> >                            Choice.of.the
> >                          .Next.Generation.
> >
> >
> > 
> >
> 
> I updated mplayer yesterday, please check it out (I didn't flush the 
> event queue before tuning).
> BTW I had loads of problems with 1.1.x drivers, so I reverted to 1.0.x.
> Thanks,
>    Nico
> 

I think this problem is not in mplayer, because vdr doesn't work either..

After reboot, if I run mplayer first (it works), then vdr works too.
After reboot, if I run vdr first (it doesn't work), and then mplayer doesn't
work either.

-- Pasi Kärkkäinen
       
                                   ^
                                .     .
                                 Linux
                              /    -    \
                             Choice.of.the
                           .Next.Generation.


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