After it happened again today (parts of the log in the file), I now have the hypothesis that it happens when I send the laptop into sleep mode while plugged in and then try to wake it up in an unplugged state.
** Attachment added: "bugJournalctl-bx_excerpt4.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2098959/+attachment/5860146/+files/bugJournalctl-bx_excerpt4.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2098959 Title: System Freeze on suspend/resume To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2098959/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs