Thanks. That's interesting. The kernel log doesn't show the machine ever woke up at all:
Apr 09 08:48:32 NguyenNghia-PAT systemd[1]: Reached target Sleep. Apr 09 08:48:32 NguyenNghia-PAT systemd[1]: Starting Suspend... Apr 09 08:48:32 NguyenNghia-PAT systemd-sleep[4294]: Suspending system... Apr 09 08:48:32 NguyenNghia-PAT kernel: PM: suspend entry (deep) Can you please try waiting one or two minutes for the machine to wake up and if it fails again then after rebooting run: journalctl -b-1 > prevboot2.txt and attach the resulting text file here. ** Package changed: ubuntu => linux-hwe-5.8 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1922982 Title: screen hang up after suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-5.8/+bug/1922982/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
