On Tuesday 28 April 2009 21:58:19 Johannes Reisinger wrote:
> Hi Hans,
>
> sorry to bother you again - but maybe you can help me:
>
> I recently installed the new Ubuntu 9.04 release containing kernel
> 2.6.28-11. The ChangeLog contains the info, that upstream kernel changes
> from 2.6.28.8 were incorporated, amongst others the line:
> V4L: ivtv: fix decoder crash regression
>
> I thought this was the patch for the problem you solved in February.
> But after installing the new release, I had once a crash with the same
> message as previously ('unable to handle kernel paging request'). It is
> not as reproducible as before, but it seems to be the same error.
>
> I had a look at 'ivtv-ioctl.c' and recognized that the code sequence
> 'case IVTV_IOC_DMA_FRAME: ... return ivtv_decoder_ioctls(...' is still in
> function 'ivtv_default()' and not in 'ivtv_serialized_ioctl()'.
>
> Am I right in assuming that the Ubuntu guys have failed to incorporate
> the patch or may I have missed something?
I downloaded the vanilla 2.6.28.8 kernel and IVTV_IOC_DMA_FRAME and friends
are definitely handled in ivtv_default, so it does indeed seem that Ubuntu
didn't merge that patch.
Regards,
Hans
>
> Best Regards,
> Johannes
>
> Hans Verkuil wrote:
> > On Saturday 14 February 2009 23:46:36 [email protected] wrote:
> >> Hi Hans,
> >>
> >> you seem to have solved the problem!!
> >> I am not able to reproduce the crashes with your latest version.
> >> Because I usually avoid to use development drivers on my system:
> >> Is it possible to apply your latest patch also to the ivtv-ioctl.c
> >> of a 2.6.27 or 2.6.28 kernel?
> >
> > Sure, the attached patch applies nicely to 2.6.27 and 2.6.28.
> >
> > Thanks for your help!
> >
> > Regards,
> >
> > Hans
--
Hans Verkuil - video4linux developer - sponsored by TANDBERG Telecom
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