[Bug 97083] [IVB,BYT] GPU hang on deqp-gles31.functional.separate.shader.random

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97083

            Bug ID: 97083
           Summary: [IVB,BYT] GPU hang on
                    deqp-gles31.functional.separate.shader.random
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: mark.a.janes at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Bisected to:
1eef0b73aa323d94d5a080cd1efa81ccacdbd0d2
Author:     Kenneth Graunke <kenneth at whitecape.org>
i965: Rewrite FS input handling to use the new NIR intrinsics.

To reproduce, I ran deqp gles31 through piglit:

MESA_GLES_VERSION_OVERRIDE=3.1
PIGLIT_DEQP_GLES31_EXTRA_ARGS="--deqp-log-images=disable
--deqp-gl-config-name=rgba8888d24s8 --deqp-surface-width=400
--deqp-surface-height=300 --deqp-visibility=hidden"
PIGLIT_DEQP_GLES31_BIN=/tmp/build_root/m64/opt/deqp/modules/gles31/deqp-gles31 
/tmp/build_root/m64/bin/piglit run -p gbm -c --include-tests
deqp-gles31.functional.separate.shader.random deqp_gles31
/tmp/build_root/m64/test/ivb

GPU hang should reproduce in the first few test cases run.

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