[Mesa-dev] [Bug 106696] repeatable drm:amdgpu_job_timedout with vulkan toy

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106696

            Bug ID: 106696
           Summary: repeatable drm:amdgpu_job_timedout with vulkan toy
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Vulkan/radeon
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: freedesktop at treblig.org
        QA Contact: mesa-dev at lists.freedesktop.org

I've been playing with vulkan and seem to have produced a reliable hanger:

symptom:
[  188.168870] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring gfx timeout,
last signaled seq=1328, last emitted seq=1330
[  188.168880] [drm] IP block:gfx_v8_0 is hung!
[  188.168929] [drm] GPU recovery disabled.

and the display locks.  Can't cleanly reboot.

to reproduce:
1) Get code from: https://github.com/penguin42/vulkanmand/tree/gpu-hang-1
2) build with cargo build  (rust 1.26.0 on fedora 28)
   - I've included the spir-v files I built
3) Run with ./target/debug/vulkanmand
4) Poke the -> (rotate Y axis) button a few times until it hangs.  Normally
does it after 4 or 5 for me.

Hardware:
07:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Lexa
PRO [Radeon RX 550/550X] (rev c7) (prog-if 00 [VGA controller])
        Subsystem: Sapphire Technology Limited Lexa PRO [Radeon RX 550]

OS: Fedora 28
kernel: 4.16.11-300.fc28.x86_64 (Fedora packaged)
other stuff:
mesa-libGLU-9.0.0-14.fc28.x86_64
mesa-libGL-devel-18.0.2-1.fc28.x86_64
mesa-filesystem-18.0.2-1.fc28.x86_64
mesa-debugsource-18.0.2-1.fc28.x86_64
mesa-dri-drivers-18.0.2-1.fc28.x86_64
mesa-vulkan-drivers-debuginfo-18.0.2-1.fc28.x86_64
mesa-libGL-18.0.2-1.fc28.x86_64
mesa-libglapi-18.0.2-1.fc28.x86_64
mesa-vulkan-drivers-18.0.2-1.fc28.x86_64
mesa-libEGL-devel-18.0.2-1.fc28.x86_64
mesa-libGLU-devel-9.0.0-14.fc28.x86_64
mesa-vdpau-drivers-18.0.2-1.fc28.x86_64
mesa-libGLES-18.0.2-1.fc28.x86_64
mesa-libgbm-18.0.2-1.fc28.x86_64
mesa-libGLES-devel-18.0.2-1.fc28.x86_64
mesa-libOpenCL-18.0.2-1.fc28.x86_64
mesa-debuginfo-18.0.2-1.fc28.x86_64
mesa-libEGL-18.0.2-1.fc28.x86_64
mesa-libxatracker-18.0.2-1.fc28.x86_64
llvm-devel-6.0.0-11.fc28.x86_64
llvm-libs-6.0.0-11.fc28.x86_64
llvm5.0-libs-5.0.1-7.fc28.x86_64
llvm-6.0.0-11.fc28.x86_64

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