* [Bug 97643] Shader crashes radeon driver and brings the whole system down
[not found] <bug-97643-502@http.bugs.freedesktop.org/>
@ 2016-09-09 0:37 ` bugzilla-daemon
2016-09-09 2:58 ` bugzilla-daemon
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To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97643
Michel Dänzer <michel@daenzer.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|Mesa core |Drivers/Gallium/radeonsi
QA Contact|mesa-dev@lists.freedesktop. |dri-devel@lists.freedesktop
|org |.org
Assignee|mesa-dev@lists.freedesktop. |dri-devel@lists.freedesktop
|org |.org
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[not found] <bug-97643-502@http.bugs.freedesktop.org/>
2016-09-09 0:37 ` [Bug 97643] Shader crashes radeon driver and brings the whole system down bugzilla-daemon
@ 2016-09-09 2:58 ` bugzilla-daemon
2016-09-09 12:25 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=97643
--- Comment #5 from smoki <smoki00790@gmail.com> ---
You can try both mesa and llvm from git, as that is what Iaroslav probably
using.
12.0.1 mesa and llvm 3.8-rc2 does not sound current, even for stable mesa/llvm
branches.
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2016-09-09 0:37 ` [Bug 97643] Shader crashes radeon driver and brings the whole system down bugzilla-daemon
2016-09-09 2:58 ` bugzilla-daemon
@ 2016-09-09 12:25 ` bugzilla-daemon
2016-09-09 20:33 ` bugzilla-daemon
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To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=97643
--- Comment #6 from Nicolai Hähnle <nhaehnle@gmail.com> ---
Cris, do please try with more recent Mesa + LLVM as well.
If that still crashes, can you provide a backtrace of where mpv crashes? dmesg
output from the crash could also give some context.
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2016-09-09 12:25 ` bugzilla-daemon
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2016-09-17 9:29 ` bugzilla-daemon
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From: bugzilla-daemon @ 2016-09-09 20:33 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=97643
Cris <cristiano04@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
--- Comment #7 from Cris <cristiano04@gmail.com> ---
(In reply to Nicolai Hähnle from comment #6)
> Cris, do please try with more recent Mesa + LLVM as well.
>
> If that still crashes, can you provide a backtrace of where mpv crashes?
> dmesg output from the crash could also give some context.
I did, I upgraded to llvm-3.9.0 and mesa-git, and the issue went away. Most
conservative distros might have a hard time though.
Thanks anyway.
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2016-09-09 20:33 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=97643
--- Comment #8 from almos <aaalmosss@gmail.com> ---
(In reply to Cris from comment #7)
> (In reply to Nicolai Hähnle from comment #6)
> > Cris, do please try with more recent Mesa + LLVM as well.
> >
> > If that still crashes, can you provide a backtrace of where mpv crashes?
> > dmesg output from the crash could also give some context.
>
> I did, I upgraded to llvm-3.9.0 and mesa-git, and the issue went away. Most
> conservative distros might have a hard time though.
>
> Thanks anyway.
Doesn't that mean that a userspace code can crash the kernel, but the most
recent version of that code doesn't do it? Ideally, the kernel should be more
resilient than that IMHO.
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https://bugs.freedesktop.org/show_bug.cgi?id=97643
Cris <cristiano04@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|FIXED |---
Status|RESOLVED |REOPENED
--- Comment #9 from Cris <cristiano04@gmail.com> ---
(In reply to almos from comment #8)
> (In reply to Cris from comment #7)
> > (In reply to Nicolai Hähnle from comment #6)
> > > Cris, do please try with more recent Mesa + LLVM as well.
> > >
> > > If that still crashes, can you provide a backtrace of where mpv crashes?
> > > dmesg output from the crash could also give some context.
> >
> > I did, I upgraded to llvm-3.9.0 and mesa-git, and the issue went away. Most
> > conservative distros might have a hard time though.
> >
> > Thanks anyway.
>
> Doesn't that mean that a userspace code can crash the kernel, but the most
> recent version of that code doesn't do it? Ideally, the kernel should be
> more resilient than that IMHO.
It's crashing now and I'm using -git (llvm, mesa, radeon). When it doesn't,
it's unbearably slow. It definitely shouldn't happen.
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Cris <cristiano04@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Version|12.0 |git
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https://bugs.freedesktop.org/show_bug.cgi?id=97643
--- Comment #10 from Cris <cristiano04@gmail.com> ---
Can confirm this is no longer happening and the performance is BEARABLE. I
still get dropped frames here and there though, which definitely shouldn't be
happening.
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Cris <cristiano04@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|REOPENED |RESOLVED
--- Comment #11 from Cris <cristiano04@gmail.com> ---
No longer an issue. Recompiled llvm-git and mesa-git and everything works fine
with no frame drops, including lower resolution videos (which were grinding
everything to a halt).
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