On Fri, Apr 15, 2022 at 12:00 PM Paul Blazejowski <paulb@xxxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > I am unable to boot 5.18-rc1(2) kernel with my rather old (si) XFX card, > which works fine under 5.17.3 and previous kernels. > > The card is identified as: > > 1:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] > Cape Verde PRO [Radeon HD 7750/8740 / R7 250E] > > Running on a Asus M5A99FX PRO R2.0 mainboard. > > The boot process stops at "fb0: EFI VGA frame buffer device" step and > the hdmi connected monitor just shuts off, there's not oops or any other > debug output captured by serial console. > > I was able to bisect the kernel tracing this to a bad commit: > > git bisect bad 3712e7a494596b26861f4dc9b81676d1d0272eaf > # first bad commit: [3712e7a494596b26861f4dc9b81676d1d0272eaf] > drm/amd/pm: unified lock protections in amdgpu_dpm.c > > And reverting this commit on 5.18-rc2 kernel makes my system bootable again. > > Please let me know if there's anything else i could provide to help fix > this issue. I have access to serial console if needed. Fixed with this patch: https://patchwork.freedesktop.org/patch/481477/ Alex > > Thank you.
