Re: Linux-2.6.13-rc6: aic7xxx testers please..

[Gene Heskett <gene.heskett@verizon.net>]

On Thursday 11 August 2005 08:37, hunold@linuxtv.org wrote:
>Hello Philipp,
>
>> I got the following OOPS from running "alevtd -F -d -v /dev/vbi0"
>> with my Siemens-DVB-C on a Dual-i686-600. I'm able to reproduce
>> this even running a 2.6.12-rc6 without the nvidia module tainting
>> the kernel.
>
>So you're using the analog tuner of the card to watch analog cable
> tv and want to decode teletext from the vbi, right?

Yes, and I can also report that teletext decoding has ceased to work
here.  But I'm not sure what kernel version killed it.  Currently
running 2.6.13-rc6.  But my card is cx88 based, a pcHDTV-3000.  But
attempting to switch it on/off doesn't seem to generate any output
indicating it failed, it just Doesn't Work(TM)

>Can you tell me the last kernel version that worked for you?
>
>> ...
>> kernel BUG at drivers/media/common/saa7146_video.c:741!
>
>739         fmt = format_by_fourcc(dev,fh->video_fmt.pixelformat);
>740         /* we need to have a valid format set here */
>741         BUG_ON(NULL == fmt);
>
>This sanity check is failing. Apparently the software managed
>to select a pixelformat that cannot be translated to a "saa7146
> format".
>
>Puh, I wrote this long ago. ;-) IIRC this should not be possible
> (ie. the driver should reject the unknown pixelformat in the
> configuring stage).
>
>Did you update the alevt package? Perhaps it's now doing this
> differently and it would fail with older kernels as well, which
> have worked before.
>
>We will probably have to debug this on a very low level.
>
>Regards
>Michael.
>
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-- 
Cheers, Gene
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