Yes, I believe having installed a proprietary driver could’ve caused this. I didn’t realize this at the time of installing the driver, but I think the file name "amdgpu-pro-21.20-1271047-ubuntu-20.04" clearly indicates that this is in fact AMD’s proprietary driver. Curiously, the issue didn’t happen immediately after installing this driver and rebooting. I used the computer for at least two sessions after this and everything was seemingly fine.
In any case, things are mostly in order now. I have yet to test if my initially reported issue of locking the computer crashing the driver is still resolved. I will get back with an updated report on this. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-5.13 in Ubuntu. https://bugs.launchpad.net/bugs/1964711 Title: [amdgpu] Locked Ubuntu is frozen and cannot be unlocked Status in linux-hwe-5.13 package in Ubuntu: Incomplete Bug description: After locking Ubuntu and leaving it unattended for a while, the operating system cannot be unlocked anymore. No means of user input (e.g. typing on the keyboard, moving the mouse) produce the lock screen and I have to shut down my computer by pressing down the power button. The attached monitor does not receive a signal from the computer during these attempts. This started to happen several weeks ago and worked without a problem before then. Due to the nature of this issue, I can neither report any errors occurring nor can I observe any other out of the ordinary things from happening. Thus, I don’t know which package is causing the issue. Also, this issue happens every time I leave the computer unattended for a longer time and lock it. However, locking it and triggering an input immediately after does produce the lock screen, so the lock screen seems to work in principle. Description: Ubuntu 20.04.4 LTS Release: 20.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.13/+bug/1964711/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp