I've updated to 5.13.0-25 and can confirm that this fixed the problem on my Ryzen 3700U laptop, which had been broken by the -23 kernel.
Since I see some comments here talking about sleep, I tried that as well: I suspended the system and then woke it up, and I did not encounter any unusual behavior. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1956401 Title: amdgpu hangs for 90 seconds at a time in 5.13.0-23, but 5.13.0-22 works To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1956401/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs