[Bug 106222] kernel BUG at __slab_free from dc_sink_release

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106222

Martin Peres  changed:

   What|Removed |Added

 Resolution|--- |MOVED
 Status|NEW |RESOLVED

--- Comment #3 from Martin Peres  ---
-- 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/351.

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[Bug 106222] kernel BUG at __slab_free from dc_sink_release

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106222

--- Comment #2 from Ernst Sjöstrand  ---
My screens always act a bit weird when waking up, they often blink very many
times and jump around a bit and give warnings in the logs etc. The Windows
driver also shows warnings every now and then, FYI.

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[Bug 106222] kernel BUG at __slab_free from dc_sink_release

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106222

--- Comment #1 from Ernst Sjöstrand  ---
Created attachment 139065
  --> https://bugs.freedesktop.org/attachment.cgi?id=139065=edit
xorg.log

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[Bug 106222] kernel BUG at __slab_free from dc_sink_release

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=106222

Bug ID: 106222
   Summary: kernel BUG at __slab_free from dc_sink_release
   Product: DRI
   Version: unspecified
  Hardware: Other
OS: All
Status: NEW
  Severity: normal
  Priority: medium
 Component: DRM/AMDgpu
  Assignee: dri-devel@lists.freedesktop.org
  Reporter: ern...@gmail.com

Created attachment 139064
  --> https://bugs.freedesktop.org/attachment.cgi?id=139064=edit
dmesg

I had left the system idle for some time and came bake to wake it up.
The screens never turned on though.
There should be plenty of details in the log but a quick summary:
Radeon Fury, Ubuntu 18.04, dual 4K displays: Dell P2415Q, Samsung U24E850

Kernel is drm-next-4.17 @ cc9e992dfb5bb48f59f3fbc1268d3f38d2c86ef3

Apr 24 17:53:48 mammut kernel: [ 5216.412492] Call Trace:
Apr 24 17:53:48 mammut kernel: [ 5216.412520]  ? dc_sink_release+0x40/0x50
[amdgpu]
Apr 24 17:53:48 mammut kernel: [ 5216.412522]  kfree+0x166/0x180
Apr 24 17:53:48 mammut kernel: [ 5216.412523]  ? kfree+0x166/0x180
Apr 24 17:53:48 mammut kernel: [ 5216.412546]  dc_sink_release+0x40/0x50
[amdgpu]
Apr 24 17:53:48 mammut kernel: [ 5216.412568]  dc_stream_release+0x29/0x60
[amdgpu]
Apr 24 17:53:48 mammut kernel: [ 5216.412593] 
dm_update_crtcs_state+0x127/0x3d0 [amdgpu]
Apr 24 17:53:48 mammut kernel: [ 5216.412617] 
amdgpu_dm_atomic_check+0x18e/0x3d0 [amdgpu]
Apr 24 17:53:48 mammut kernel: [ 5216.412626] 
drm_atomic_check_only+0x33b/0x4f0 [drm]
Apr 24 17:53:48 mammut kernel: [ 5216.412633]  drm_atomic_commit+0x18/0x50
[drm]
Apr 24 17:53:48 mammut kernel: [ 5216.412638] 
drm_atomic_helper_legacy_gamma_set+0x114/0x160 [drm_kms_helper]
Apr 24 17:53:48 mammut kernel: [ 5216.412645] 
drm_mode_gamma_set_ioctl+0x187/0x1f0 [drm]
Apr 24 17:53:48 mammut kernel: [ 5216.412651]  ?
drm_mode_crtc_set_gamma_size+0xb0/0xb0 [drm]
Apr 24 17:53:48 mammut kernel: [ 5216.412656]  drm_ioctl_kernel+0x5f/0xb0 [drm]
Apr 24 17:53:48 mammut kernel: [ 5216.412662]  drm_ioctl+0x309/0x3c0 [drm]
Apr 24 17:53:48 mammut kernel: [ 5216.412668]  ?
drm_mode_crtc_set_gamma_size+0xb0/0xb0 [drm]
Apr 24 17:53:48 mammut kernel: [ 5216.412683]  amdgpu_drm_ioctl+0x4f/0x90
[amdgpu]
Apr 24 17:53:48 mammut kernel: [ 5216.412685]  do_vfs_ioctl+0xa8/0x620
Apr 24 17:53:48 mammut kernel: [ 5216.412688]  ? SyS_futex+0x13b/0x180
Apr 24 17:53:48 mammut kernel: [ 5216.412689]  SyS_ioctl+0x79/0x90
Apr 24 17:53:48 mammut kernel: [ 5216.412692]  do_syscall_64+0x73/0x130
Apr 24 17:53:48 mammut kernel: [ 5216.412695] 
entry_SYSCALL_64_after_hwframe+0x3d/0xa2

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