[Bug 106466] GPU recovery fails on Vega 64

[Bug 106466] GPU recovery fails on Vega 64

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=106466

            Bug ID: 106466
           Summary: GPU recovery fails on Vega 64
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: bas@basnieuwenhuizen.nl

Created attachment 139474
  --> https://bugs.freedesktop.org/attachment.cgi?id=139474&action=edit
dmesg

Reproduce:

1) boot
2) Start X
3) Stop X
4) cat /sys/kernel/debug/dri/2/amdgpu_gpu_recovery
5) Wait till finished
6) Start X
7) Notice slowness
8) Stop X

The dmesg says that the reset failed, but the screen comes back with some
artifacts. drawing in X is very slow event though pp_dpm_sclk seems to be
indicating reasonable speeds.

I use amd-staging-drm-next as of today with as last commit

commit 905aa01b240f9216b6dbba3226bf10b2d96eebb7 (origin/amd-staging-drm-next)
Author: Colin Ian King <colin.king@canonical.com>
Date:   Wed May 2 15:43:16 2018 +0100

    drm/amd/display: clean up assignment of amdgpu_crtc

    The declaration of pointer amdgpu_crtc has a redundant assignment to
    amdgpu_crtc. Clean this up by removing it.

    Detected by CoverityScan, CID#1460299 ("Evaluation order violation")

    Reviewed-by: Harry Wentland <harry.wentland@amd.com>
    Signed-off-by: Colin Ian King <colin.king@canonical.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>


plus a patch of my own adding some more dev_info messages to the reset process.

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[Bug 106466] GPU recovery fails on Vega 64

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=106466

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #1 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/384.

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