Created attachment 105715 [details] relevant dmesg part Suspend fails very often with this message (see more in attached file): [ 614.687009] Freezing of tasks failed after 20.006 seconds (1 tasks refusing to freeze, wq_busy=0): [ 614.687156] BackgroundFinde D 0 5279 1863 0x00000004 I thought 5279 and 1863 are PIDs, and there is no process 5279, and 1863 is ksmserver > ksmserver -v Qt: Session management error: networkIdsList argument is NULL ksmserver 0.4 Anything I could do to get more info on what's causing this and help get it fixed?
This no longer happens for more than a month, so I think that was not actually Plasma fault, as there were no significant updates of it in Ubuntu 17.04 since my original report.