* [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini
2017-01-07 18:25 [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini bugzilla-daemon
@ 2017-01-07 18:25 ` bugzilla-daemon
2017-01-07 18:36 ` bugzilla-daemon
` (3 subsequent siblings)
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From: bugzilla-daemon @ 2017-01-07 18:25 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=99312
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Hardware|Other |x86-64 (AMD64)
Severity|normal |major
Version|13.0 |git
OS|All |Linux (All)
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini
2017-01-07 18:25 [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini bugzilla-daemon
2017-01-07 18:25 ` bugzilla-daemon
@ 2017-01-07 18:36 ` bugzilla-daemon
2017-01-09 17:02 ` [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini when radeon.lockup_timeout is enabled bugzilla-daemon
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2017-01-07 18:36 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=99312
--- Comment #1 from John Bridgman <john.bridgman@amd.com> ---
If you have not already done so, try disabling the watchdog timer:
MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 = 10
seconds, 0 = disable)");
module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
As part of HSA/ROC development we dropped the priority of compute work relative
to graphics which improved interactivity and *almost* eliminated timeouts
without having to disable the timer - when I get back in the office I'll dig
up the changes. In the meantime, I think disabling the timer will do what you
need although you will still have sluggish graphics while long-running kernels
are active.
Lowering the priority of compute waves across the board won't be a fully
general solution because there are going to be some cases (eg Valve's recent
work with using high priority compute to improve VR smoothness) where compute
will need to be *higher* priority than graphics but it should cover most cases
other than "simultaneously running GROMACS and VR".
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini when radeon.lockup_timeout is enabled
2017-01-07 18:25 [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini bugzilla-daemon
2017-01-07 18:25 ` bugzilla-daemon
2017-01-07 18:36 ` bugzilla-daemon
@ 2017-01-09 17:02 ` bugzilla-daemon
2019-05-11 20:07 ` bugzilla-daemon
2019-09-25 17:56 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2017-01-09 17:02 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=99312
Vedran Miletić <vedran@miletic.net> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Long-running OpenCL kernels |Long-running OpenCL kernels
|cause ring stalls and GPU |cause ring stalls and GPU
|lockups on Kabini |lockups on Kabini when
| |radeon.lockup_timeout is
| |enabled
--- Comment #2 from Vedran Miletić <vedran@miletic.net> ---
(In reply to John Bridgman from comment #1)
> If you have not already done so, try disabling the watchdog timer:
>
>
> MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (default 10000 =
> 10 seconds, 0 = disable)");
> module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
>
Yup, that works around the problem.
> As part of HSA/ROC development we dropped the priority of compute work
> relative to graphics which improved interactivity and *almost* eliminated
> timeouts without having to disable the timer - when I get back in the
> office I'll dig up the changes. In the meantime, I think disabling the timer
> will do what you need although you will still have sluggish graphics while
> long-running kernels are active.
>
Eager to hear the details.
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini when radeon.lockup_timeout is enabled
2017-01-07 18:25 [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini bugzilla-daemon
` (2 preceding siblings ...)
2017-01-09 17:02 ` [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini when radeon.lockup_timeout is enabled bugzilla-daemon
@ 2019-05-11 20:07 ` bugzilla-daemon
2019-09-25 17:56 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2019-05-11 20:07 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=99312
Jan Vesely <jv356@scarletmail.rutgers.edu> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |99553
Referenced Bugs:
https://bugs.freedesktop.org/show_bug.cgi?id=99553
[Bug 99553] Tracker bug for runnning OpenCL applications on Clover
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^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini when radeon.lockup_timeout is enabled
2017-01-07 18:25 [Bug 99312] Long-running OpenCL kernels cause ring stalls and GPU lockups on Kabini bugzilla-daemon
` (3 preceding siblings ...)
2019-05-11 20:07 ` bugzilla-daemon
@ 2019-09-25 17:56 ` bugzilla-daemon
4 siblings, 0 replies; 6+ messages in thread
From: bugzilla-daemon @ 2019-09-25 17:56 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=99312
GitLab Migration User <gitlab-migration@fdo.invalid> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |MOVED
Status|NEW |RESOLVED
--- Comment #3 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --
This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.
You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/1246.
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