[Bug 107880] Regression: System fails to boot on raven ridge 4.18 vs 4.19 rc

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Sep 10 09:13:25 UTC 2018


--- Comment #1 from Michel Dänzer <michel at daenzer.net> ---
(In reply to Marvin Damschen from comment #0)
> System hangs after "fb: switching to amdgpudrmfb from EFI VGA".

How long have you waited for? E.g. if a microcode file is missing, the attempt
to load it can hang for one or several minutes before timing out.

> I am unable to obtain any logs of the crash (LUKS encryption might be the
> reason?).

One possibility is to prevent the driver from loading by passing


on the kernel command line, then you can try manually loading it with

 sudo modprobe amdgpu

and should get the full dmesg output.

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