[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

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105113

--- Comment #11 from Jan Vesely <jan.vesely at rutgers.edu> ---
(In reply to Maciej S. Szmigiero from comment #10)
> (In reply to Jan Vesely from comment #9)
> > (In reply to Maciej S. Szmigiero from comment #8)
> > > Aren't program at execute@calls-struct and program at 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 at execute@calls-struct and
> program at 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 at maciej.szmigiero.name>" tag if you
> would
> like.

Thanks. I pushed the piglit patches. I'll keep this bug open until mesa
properly supports relocations.

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