[Bug 111075] Processing of SPIR-V shader causes device hang, sometimes leading to system reboot

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Jul 5 10:52:52 UTC 2019


https://bugs.freedesktop.org/show_bug.cgi?id=111075

            Bug ID: 111075
           Summary: Processing of SPIR-V shader causes device hang,
                    sometimes leading to system reboot
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Vulkan/intel
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: afdx at google.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org
                CC: jason at jlekstrand.net

Created attachment 144711
  --> https://bugs.freedesktop.org/attachment.cgi?id=144711&action=edit
Amber test exposing the problem

Running the attached test using Amber (https://github.com/google/amber):

amber return-in-loop-in-function.amber

should lead to the test passing.

Instead, a GPU hang is reported, and this sometimes leads to a system reboot.

Build: Mesa 19.2.0-devel (git-243db4980c) (Debug)
Device: Intel(R) HD Graphics 630 (Kaby Lake GT2)

Interestingly, using Mesa 18.0.3, the GPU hang does not occur; instead there is
a segmentation fault in libvulkan_intel.so.

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