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

[Pasi Kärkkäinen <pasik@iki.fi>]

On Fri, Mar 19, 2004 at 08:39:41PM +0000, Andrew de Quincey wrote:
> On Friday 19 March 2004 20:32, John Murdoch wrote:
> > On Thu, 18 Mar 2004 23:03:48 +0200, Pasi Kärkkäinen wrote:
> > > > 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)...
> >
> > Using the same frontend (Grundig 29504-401), I experience this same issue
> > as well.
> >
> > > > 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.
> >
> > Happens everytime here too. From a cold boot, loading VDR first instantly
> > makes my DVB system unusable. If I try using tzap or scan immediately
> > afterwards, I cannot obtain any signal. Rebooting usually solves the
> > problem.
> 
> Interesting, it has to be a bug in the grundig driver... the frontend core 
> code won't let anything start tuning until the driver returns from its 
> initialisation routine.
> 
> It would be interesting to know which IOCTL is breaking it... can you run VDR 
> with "strace" to see?
> 
> something like "strace vdr 2>&1 | grep ioctl" should do it....
> 
> 

http://nrg.joroinen.fi/strace/

Hopefully I did those correctly.. 

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


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