https://bugs.freedesktop.org/show_bug.cgi?id=99312
Vedran MiletiÄ <vedran at 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 MiletiÄ <vedran at 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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