Re: Bug 215600 - Radeon - *ERROR* Failed waiting for UVD message

[Alex Deucher]

On Mon, Feb 21, 2022 at 3:30 AM Thorsten Leemhuis
<regressions@xxxxxxxxxxxxx> wrote:
>
> Hi, this is your Linux kernel regression tracker.
>
> I noticed a regression report in bugzilla.kernel.org that afaics nobody
> acted upon since it was reported about a week ago, that's why I decided
> to forward it to the lists and all the relevant people. To quote
> https://bugzilla.kernel.org/show_bug.cgi?id=215600 :
>
> >  Richard Herbert 2022-02-12 22:13:07 UTC
> >
> > Created attachment 300445 [details]
> > Details
> >
> > When attempting to play some types of videos with VLC 3.0.16 (eg. *.flv, *.mp4), when running kernels 5.17-rc1 to 5.17-rc3, only the audio portion is heard and the VLC video screen remains black. Meanwhile, many of these entries are written per second to /var/log/syslog:
> >
> > 2/12/22 3:41 PM       starbug kernel  [drm:radeon_uvd_cs_parse [radeon]] *ERROR* Failed waiting for UVD message (-1)!
> > 2/12/22 3:41 PM       starbug kernel  [drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
> > 2/12/22 3:41 PM       starbug kernel  [drm:radeon_uvd_cs_parse [radeon]] *ERROR* Failed waiting for UVD message (-1)!
> > 2/12/22 3:41 PM       starbug kernel  [drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
> > 2/12/22 3:41 PM       starbug kernel  [drm:radeon_uvd_cs_parse [radeon]] *ERROR* Failed waiting for UVD message (-1)!
> > 2/12/22 3:41 PM       starbug kernel  [drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
> >
> >
> > The problem doesn't occur in kernels of the 5.16 series.  It may have been introduced here:
> >
> >
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/diff/drivers/gpu/drm/radeon/radeon_uvd.c?id=v5.16&id2=v5.17-rc1
> >
> >
> > Thanks!
>
> Could somebody take a look into this? Or was this discussed somewhere
> else already? Or even fixed?

This is a fix on the bug report.

Alex


>
> Anyway, to get this tracked:
>
> #regzbot introduced: v5.16..v5.17-rc1
> #regzbot from:  Richard Herbert <rherbert@xxxxxxxxxxxx>
> #regzbot title: drm: radeon: no sound on video, *ERROR* Failed waiting
> for UVD message
> #regzbot link: https://bugzilla.kernel.org/show_bug.cgi?id=215600
>
> Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
>
> P.S.: As the Linux kernel's regression tracker I'm getting a lot of
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