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I've a desktop with the following configuration:
CPU: AMD 3600X
GPU: AMD RX 5700
GPU Driver: amdgpu
Display Server: sway - driving two external monitors through display ports
When I run 'systemctl suspend' the displays go blank and I see that the power led button on the CPU case starts blinking. However, when I press the power button to resume the machine, the displays remain blank. I have to hit the 'reset' button the CPU case to reboot the machine to get the displays working again. The suspend and resume feature works on Windows 10.
I do not know what logs are required to debug this, so please let me know I will post them (I can still ssh into the machine when the displays are blank). I've attached the log from `journalctl -b -k` in a follow-up response.
Last edited by napion (2021-02-11 12:03:08)
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See 3rd link in my signature.
If you *believe* it's disabled, check it. Windows occasionally re-enables it on updates…
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If you *believe* it's disabled, check it. Windows occasionally re-enables it on updates…
I booted into Windows to check this. Fast Boot is disabled.
Log from 'journalctl -b -k' after the power button is pressed to resume the machine: resume.log. There is a line which says:
Feb 11 13:28:32 tantra kernel: BUG: kernel NULL pointer dereference, address: 0000000000000018
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The amdgpu module crashes.
Try booting w/
amdgpu.dc=0 amdgpu.audio=0 amdgpu.dpm=0 amdgpu.aspm=0 amdgpu.runpm=0 amdgpu.bapm=0
as kernel paramters.
If this works, see whether you can narrow the offender down (from the backtrace, dc=0 and dpm=0 should be the best contenders)
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