Hi. I’m experiencing the same problem described here. Basically when the laptop wakes from sleep there’s a blank screen with the cursor, I can move it and can press Ctrl-Alt-F2 to go to TTY2 and reboot. However, the solution in that thread isn’t applicable to my situation as I don’t have an nvidia card. It started happening today after a general update with pacman -Syu. Last time I updated before was 30 Oct.
The problem was still there with kernel version 6.0.9. It’s difficult to tell if the problem has gone away for good because it’s intermittent, it doesn’t happen every time. Now I updated the linux kernel to 6.0.12. Let’s see if that helps, though I’m under the impression that the problem isn’t just related to the kernel but also to KDE or SDDM.
I’m looking at the journalctl output from last boot, where the problem did occur, and don’t see anything unsual after opening the lid (ie waking from sleep) and before rebooting from tty2.
$ journalctl --no-hostname --pager-end -b -1
...
Dec 10 15:39:34 systemd-logind[519]: Lid closed.
Dec 10 15:39:40 systemd-logind[519]: Lid opened.
Dec 10 15:39:54 systemd-logind[519]: Power key pressed short.
Dec 10 15:40:02 systemd[1]: Started Getty on tty2.
Dec 10 15:40:02 audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=getty@tty2 comm="systemd" exe=">
Dec 10 15:40:02 kernel: audit: type=1130 audit(1670697602.064:193): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=get>
Dec 10 15:40:13 systemd[1]: Received SIGINT.
Dec 10 15:40:13 systemd[1]: Activating special unit System Reboot...
...
I am using Nvidia, but given that there is an AMD version of this thread, I’m willing to assume that Nvidia is not the root cause of this particular problem.