Just for comparison, the same PC but a different distribution with the 5.13.12 kernel. I found not in the Ubuntu /proc/modules amdgpu or radeon, but in the other Linux installation. I believe thats is the problem.
** Attachment added: "cat /proc/modules" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1941749/+attachment/5521000/+files/Modules.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1941749 Title: After grub menu system not start, i muststart the System over the recovery mode. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1941749/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
