https://bugzilla.kernel.org/show_bug.cgi?id=200531
Bug ID: 200531 Summary: amdgpu: *ERROR* REG_WAIT timeout when a display is put to sleep Product: Drivers Version: 2.5 Kernel Version: 4.17.6 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@kernel-bugs.osdl.org Reporter: mezin.alexander@gmail.com Regression: No
Created attachment 277391 --> https://bugzilla.kernel.org/attachment.cgi?id=277391&action=edit dmesg
When a display is turned off (because of inactivity), sometimes I see "*ERROR* REG_WAIT timeout" from amdgpu in the kernel log. And sometimes when the display wakes up, GUI doesn't respond anymore (even mouse pointer isn't moving).
full dmesg output attached
card: RX Vega 64 (Sapphire Nitro+)
I think it started with 4.17.5 or 4.17.6, i'll try to find the exact commit