[Bug 105113] [hawaii, radeonsi, clover] Running Piglit cl/program/execute/{, tail-}calls{, -struct, -workitem-id}.cl cause GPU VM error and ring stalled GPU lockup

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Comment # 10 on bug 105113 from
(In reply to Jan Vesely from comment #9)
> (In reply to Maciej S. Szmigiero from comment #8)
> > Aren't program@execute@calls-struct and program@execute@tail-calls tests
> > from comment 4 examples of this behavior?
> > These seem to run but return wrong results, or am I not parsing the piglit
> > test results correctly?
> 
> This is more of a piglit problem. piglit uses a combination of enqueue and
> clFinish. However, the error happens on kernel launch. thus;
> 1.) clEnqueueNDRangeKernel -- success
> 2.) The driver tries to launch the kernel and fails on relocations
> 3.) application(piglit) calls clFinish
> 
> depending on the order of 2. and 3. clFinish can either see an empty queue
> and succeed or try to wait for kernel execution and fail.
> 
> The following series should address that:
> https://patchwork.freedesktop.org/series/52857/

Thanks for the detailed explanation and the patches.

I can confirm that with them applied program@execute@calls-struct and
program@execute@tail-calls exit with
CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST, so I guess they work
(or rather, fail) as expected.

Feel free to add
"Tested-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>" tag if you would
like.


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