I guess i have found cause and solution. It's timeout. In logs after running system with systemd.log_level=debug I have:
Mar 09 21:45:25 misio systemd[1]: dev-disk-by\x2duuid-f7d9f751\x2dc42a\x2d40cf\x2dbfb1\x2d218c90c07b10.swap: Forked /sbin/swapoff as 4403 ... And exactly 90s later: Mar 09 21:46:55 misio systemd[1]: dev-disk-by\x2duuid-f7d9f751\x2dc42a\x2d40cf\x2dbfb1\x2d218c90c07b10.swap: Deactivation timed out. Stopping. Mar 09 21:46:55 misio systemd[1]: dev-disk-by\x2duuid-f7d9f751\x2dc42a\x2d40cf\x2dbfb1\x2d218c90c07b10.swap: Changed deactivating -> deactivating-sigterm Mar 09 21:46:55 misio systemd[1]: Received SIGCHLD from PID 4403 (swapoff). Mar 09 21:46:55 misio systemd[1]: Child 4403 (swapoff) died (code=killed, status=15/TERM) Mar 09 21:46:55 misio systemd[1]: dev-disk-by\x2duuid-f7d9f751\x2dc42a\x2d40cf\x2dbfb1\x2d218c90c07b10.swap: Child 4403 belongs to dev-disk-by\x2duuid-f7d9f751\x2dc42a\x2d40cf\x2dbfb1\x2d218c90c07b10.swap Mar 09 21:46:55 misio systemd[1]: dev-disk-by\x2duuid-f7d9f751\x2dc42a\x2d40cf\x2dbfb1\x2d218c90c07b10.swap: Swap process exited, code=killed status=15 Mar 09 21:46:55 misio systemd[1]: dev-disk-by\x2duuid-f7d9f751\x2dc42a\x2d40cf\x2dbfb1\x2d218c90c07b10.swap: Changed deactivating-sigterm -> failed Mar 09 21:46:55 misio systemd[1]: dev-disk-by\x2duuid-f7d9f751\x2dc42a\x2d40cf\x2dbfb1\x2d218c90c07b10.swap: Job dev-disk-by\x2duuid-f7d9f751\x2dc42a\x2d40cf\x2dbfb1\x2d218c90c07b10.swap/stop finished, result=done Mar 09 21:46:55 misio systemd[1]: Deactivated swap /dev/disk/by-uuid/f7d9f751-c42a-40cf-bfb1-218c90c07b10. Mar 09 21:46:55 misio systemd[1]: dev-disk-by\x2duuid-f7d9f751\x2dc42a\x2d40cf\x2dbfb1\x2d218c90c07b10.swap: Unit entered failed state. Systemd has commented out ShutdownWatchdogSec=90s in /etc/systemd/system.conf. I guess that means default value. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1464917 Title: reboot hangs at 'Reached target Shutdown' To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/1464917/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
