[Mesa-dev] [Bug 111683] SPIR-V shader causes display freeze

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111683

            Bug ID: 111683
           Summary: SPIR-V shader causes display freeze
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: not set
          Priority: not set
         Component: Drivers/Vulkan/radeon
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: afdx at google.com
        QA Contact: mesa-dev at lists.freedesktop.org

Created attachment 145346
  --> https://bugs.freedesktop.org/attachment.cgi?id=145346&action=edit
Amber test that exposes the problem

Doing:

amber -d killer.amber

causes my machine to lock up (the display freezes, then goes into a pretty cool
and crazy scramble of colours).

Build: Mesa 19.2.0-devel (git-2eace10c62) (Debug)
Device: Radeon RX Vega

I expect this is related to https://bugs.freedesktop.org/show_bug.cgi?id=111147
- that was a highly reduced shader.  I have included the unreduced shader in
the hope that the issue is less likely to be sensitive to small changes in
shader compilation.

I have tried enabling amdgpu.gpu_recovery=1 but this doesn't seem to help.

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