[linux-dvb] general protection fault: 0000 [1] SMP with 2.6.27 and 2.6.28

Andy Walls awalls at radix.net
Mon Feb 2 01:57:09 CET 2009


On Sun, 2009-02-01 at 23:38 +0100, Oliver Endriss wrote:
> Andy Walls wrote:
> > On Sat, 2009-01-31 at 15:01 +0000, Chris Mayo wrote:

> > So tuner_addr is non-NULL and is not a valid pointer either.
> > 
> > It looks like linux/drivers/media/dvb/ttpci/budget.c:frontend_init() is
> > setting the pointer up properly.  So something else is trashing the
> > struct dvb_frontend structure pointed to by the variable fe.  Finding
> > what's doing that will be difficult.
> > 
> > Without a device nor steps to reliably reproduce, that's about all I can
> > help with.
> > 
> > Regards,
> > Andy
> 
> Afaik this bug was fixed in changeset
> http://linuxtv.org/hg/v4l-dvb/rev/f4d7d0b84940
>
> CU
> Oliver

Thanks.  I didn't realize the initialization to NULL was a recent fix.
I was looking at very recent v4l-dvb source code with that change in
place (which is why I thought tracking down the problem would be hard).

I agree that that change likely fixes the problem, if Chris doesn't have
it in place.

Regards,
Andy




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