[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 10:51:21 UTC 2018


--- Comment #2 from Marvin Damschen <marvin.damschen at gullz.de> ---
(In reply to Michel Dänzer from comment #1)
> (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.
Waited for ~5min now, but nothing changed.

> > 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
>  modprobe.blacklist=amdgpu
> on the kernel command line, then you can try manually loading it with
>  sudo modprobe amdgpu
> and should get the full dmesg output.
Thank you, this worked. Full output is attached, but appears fine. Still, the
video output freezes.

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