On 05/21/18 23:09, Patrick O'Callaghan wrote: > On Mon, 2018-05-21 at 10:06 +0930, Tim via users wrote: >> There are >> programs that just don't terminate every time when I log out. Various >> system/desktop daemons, sometimes web browsers. > Possibly unrelated, but I sometimes - not always - find that after > updating (using dnf with the tracer plugin) I'm advised to restart my > session, then on logging out and in I'm suddenly forced out again after > a short time, usually less than a minute.
FWIW, if you investigate a little I think you'd find that for every user that logs-in for a GUI session there will be about 9+ processes that are left running and remain running. It seems these processes are then reused on subsequent logins by the same uid. I suppose this may be done to speed-up subsequent logins. So, those processes may potentially keep copies of libraries that have been updated and (guessing) clashes happen with new processes with new libraries. Therefore, I don't logout/login after updates. If anything, I reboot. In my case a reboot takes about 12 seconds so I'm not bothered by it. I was considering asking on the KDE list if there is anyway to tell the system to end all users processes after logout. > > (Also, and only in this specific situation, Firefox forgets all the > windows it had open except one, but I had the same problem with > Chrome). > > On logging in *again*, everything is fine. It's as if the session > manager isn't waiting long enough for things to terminate gracefully > before presenting the login screen, then when they do terminate it > panics. I haven't managed to narrow it down yet. > [egreshko@acer ~]$ date Tue May 22 15:15:23 CST 2018 [egreshko@acer ~]$ ps -eaf | grep 14:02 | grep maria | wc 9 83 828 [egreshko@acer ~]$ finger Login Name Tty Idle Login Time Office Office Phone Host egreshko Ed Greshko pts/1 May 22 14:03 (192.168.2.190) and "maria" has been logged-out of the GUI for over an hour. -- Conjecture is just a conclusion based on incomplete information. It isn't a fact.
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