Fun fact: sometimes "syncing filesystems" is done before the system actually suspends, sometimes it is done after waking the system up:
[...] Jun 3 21:01:35 avis systemd[1]: Reached target Sleep. Jun 3 21:01:35 avis systemd[1]: Starting Suspend... Jun 3 21:01:35 avis systemd-sleep[2281]: Suspending system... Jun 3 21:01:35 avis kernel: [ 86.149552] PM: suspend entry (s2idle) ------- laptop sleeps here ------- Jun 3 21:01:54 avis kernel: [ 86.149553] PM: Syncing filesystems ... done. Jun 3 21:01:54 avis kernel: [ 86.163111] Freezing user space processes ... (elapsed 0.002 seconds) done. Jun 3 21:01:54 avis kernel: [ 86.165328] OOM killer disabled. Jun 3 21:01:54 avis kernel: [ 86.165329] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done. [...] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1825636 Title: Battery drain during sleep. System suspended before kernel suspends all tasks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1825636/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs