*** This bug is a duplicate of bug 2068738 ***
https://bugs.launchpad.net/bugs/2068738
Yes, the broken kernel probably actually is Kernel 5.15.0-112-generic.
I help people over the phone, or very quickly, and then I don't have
access to the machines any more.
I was able to have a quick look
*** This bug is a duplicate of bug 2068738 ***
https://bugs.launchpad.net/bugs/2068738
** This bug has been marked a duplicate of bug 2068738
Kernel update 5.15.0-112 might cause severe problems with specific AMD GPUs
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AFAIK It's a bad backport to 5.15 stable. If it's what I think, here's
the fix (IIRC).
https://lore.kernel.org/amd-gfx/20240523173031.4212-1-w_ar...@gmx.de/
Try applying that to your 5.15 kernel.
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The "black screen after reboot" symptom is equivalent to the symptom
from https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2068738
But, the linux kernel version mentioned in this bug report is Kernel:
5.15.0-107-generic, not 5.15.0-112.
It is possible that the kernel version in this bug repor
oh yes, the key to press for the GRUB menu after booting with a modern
(U)EFI bios is: ESC, not Shift (as mentioned in the link above).
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https://bugs.launchpad.net/bugs/2068793
Title:
B
