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How I helped fix sleep-wake hangs on Linux with AMD GPUs (nyanpasu64.gitlab.io)

submitted 5 days ago by e8d79@discuss.tchncs.de to c/linux@programming.dev

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[–] SteveTech@programming.dev 7 points 4 days ago

I hadn't restarted my serial logger after I rebooted my laptop, leaving me with no clue about what caused the crash.

Probably way too late now, but if it was a proper kernel panic, it should've saved the dmesg in the kernel's pstore which saves to either ACPI or EFI storage (depending on BIOS or UEFI), which systemd then extracts to /var/lib/systemd/pstore/ on next reboot.