[Bug 107221] [Intel GFX CI] Plenty of "*ERROR* VCE not responding, trying to reset the ECPU!!!" in dmesg

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=107221

            Bug ID: 107221
           Summary: [Intel GFX CI] Plenty of "*ERROR* VCE not responding,
                    trying to reset the ECPU!!!" in dmesg
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: martin.pe...@free.fr

Hi,

While running IGT tests on an Intel KBL-g based platform (which apparently has
a VEGAm AMD GPU), we get the following messages in dmesg:

[  225.881278] [drm:vce_v3_0_set_powergating_state [amdgpu]] *ERROR* VCE not
responding, trying to reset the ECPU!!![  22

Here is an example of full logs:
 - boot logs:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4437/fi-kbl-8809g/boot0.log
 - logs during the execution:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4437/fi-kbl-8809g/dmesg0.log

Here are more examples of issues:
 -
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4437/fi-kbl-8809g/igt@gem_mmap_...@basic-small-copy-xy.html
 -
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4437/fi-kbl-8809g/igt@gem_mmap_...@basic-wc.html
 -
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4437/fi-kbl-8809g/igt@gem_mmap_...@basic-write-no-prefault.html
 -
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4437/fi-kbl-8809g/igt@gem_pr...@basic.html
 -
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4437/fi-kbl-8809g/igt@gem_ringf...@basic-default-interruptible.html
 -
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4437/fi-kbl-8809g/igt@gem_ringf...@basic-default-forked.html
 -
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4437/fi-kbl-8809g/igt@gem_ringf...@basic-default-hang.html
 -
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4437/fi-kbl-8809g/igt@gem_mmap_...@basic-small-bo-tiledx.html

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