After i suspend Ubuntu 17.10 , when I try to power on (get out from the suspend state) it shows the login screen then crashes after few seconds.

It's the same thing with each suspend.

Please tell me in the comments which informations I should provide to solve this problem.


I don't know if this is important or not, but in each session, when I use the command journalctl -p crit, the outputs is this :

gnome-session-binary[964]: CRITICAL: Unable to create a DBus proxy for GnomeScreensaver: Error calling StartServiceByName for org.gnome.ScreenSaver: GDBus.Error:org.freedesktop.DBus.Error.Spawn.ChildExited: Process org.gnome.ScreenSaver exited with status 1

  • facing on my 16.04 too – DeadMan Oct 26 '17 at 18:50
  • @Abdulla Nillam are you using gnome shell or unity ?? – Sidahmed Oct 26 '17 at 18:51
  • using unity on ubuntu – DeadMan Oct 26 '17 at 18:54
  • Crashing means... that you are stuck in a loop? – pvaesrtdoe Oct 26 '17 at 20:48
  • it doesn't look like a loop, the login screen just freezes – Sidahmed Oct 26 '17 at 20:57

I found what was causing the problem in my situation.

Before, I changed the default i/o scheduler from cfq to bfq using this answer https://unix.stackexchange.com/questions/375600/how-to-enable-and-use-the-bfq-scheduler/376136#376136 .

Now I switched back to cfq, and it is working great for now (I tried to suspend multiples times, no crash).

I hope this answer helps someone.

  • I'm not sure if this got broken after the kernel upgrade or some module, and my upgraded 17.10 us using cfq :( – Mateo Tibaquirá Oct 27 '17 at 23:39

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