[Bug 210849] Black screen after resume from long suspend. Open/Close lid. AMDGPU

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=210849

--- Comment #8 from JerryD (jvdelisle at charter.net) ---
In the 5.18 kernel which does not hang on me I also have a segfault:

[  224.767359] Call Trace:
[  224.767529]  amdgpu_dm_backlight_update_status+0xb4/0xc0 [amdgpu]
[  224.767535]  backlight_suspend+0x6a/0x80
[  224.767538]  ? brightness_store+0x50/0x50
[  224.767541]  dpm_run_callback+0x4f/0x140
[  224.767544]  __device_suspend+0x11c/0x4a0
[  224.767547]  dpm_suspend+0x117/0x250
[  224.767549]  dpm_suspend_start+0x77/0x80
[  224.767554]  suspend_devices_and_enter+0xe6/0x7f0
[  224.767557]  pm_suspend.cold+0x333/0x38c
[  224.767560]  state_store+0x71/0xd0
[  224.767565]  kernfs_fop_write+0xce/0x1b0
[  224.767569]  vfs_write+0xc7/0x1f0
[  224.767572]  ksys_write+0x4f/0xc0
[  224.767576]  do_syscall_64+0x4d/0x90
[  224.767580]  entry_SYSCALL_64_after_hwframe+0x44/0xa9

This happens coming out of suspend. So pretty sure amdgpu is the culprit.

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