[Bug 107266] Radeon Pro Duo (Polaris) - ring sdma0 timeout

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107266

            Bug ID: 107266
           Summary: Radeon Pro Duo (Polaris) - ring sdma0 timeout
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu-pro
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: rhlug at hotmail.com

Running a polaris Pro Duo on Ubuntu 18.04, Kernel from ROCm branch
4.17.0-rc2-180424-fkxamd and everything works great.

In testing latest drm-next-4.19-wip kernel, I get the following errors on boot,
and have no working opencl (ie clinfo hangs indefinitely)


[   58.913281] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring sdma0 timeout,
signaled seq=573, emitted seq=574
[   58.913284] [drm] GPU recovery disabled.
[   58.914276] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring sdma1 timeout,
signaled seq=331, emitted seq=333
[   58.914280] [drm] GPU recovery disabled.
[   58.914312] [drm:amdgpu_job_timedout [amdgpu]] *ERROR* ring sdma1 timeout,
signaled seq=331, emitted seq=333
[   58.914313] [drm] GPU recovery disabled.



Please let me know if you need any specifics.

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