В Fri, 24 Jan 2014 18:46:06 +0100 Lennart Poettering <[email protected]> пишет:
> On Fri, 24.01.14 21:10, Ivan Shapovalov ([email protected]) wrote: > > > > > > However, something like that can never be the default, we need to give > > > > > services the chance to shut down cleanly and in the right order > > > > > > > > then bugs like https://bugzilla.redhat.com/show_bug.cgi?id=1023820 > > > > > > I have so far never encountered this issue, but I fear this is a bug > > > where somebody who can reproduce this needs to sit down and debug a > > > bit... > > > > > > Lennart > > > > Any advices on how to do that? > > I have both the issue (reproducible on each shutdown) and will to debug. > > Well, enable the debug shell, and then from there try to figure out why > things are stuck. i.e. whether it is systemd --user that really never > exits. Or whether it actually exits but PID 1 doesn't notice it. And > then if you figured out which of the two cases, you'd have to figure out > why that is... > I finally managed to reproduce it with user instance running with debug level (before *any* attempt to add debugging, strace, whatever resulted in problem disappearing). It seems that /bin/kill -RTMIN+24 is being killed itself. I wonder - is it possible that it is the same SIGTERM that is used by PID 1 to stop user@0service? Jan 26 11:53:58 linux-1a7f systemd[1942]: Received SIGTERM from PID 1 (systemd). Jan 26 11:53:58 linux-1a7f systemd[1942]: Activating special unit exit.target Jan 26 11:53:58 linux-1a7f systemd[1942]: Trying to enqueue job exit.target/start/replace Jan 26 11:53:58 linux-1a7f systemd[1942]: Installed new job exit.target/start as 3 Jan 26 11:53:58 linux-1a7f systemd[1942]: Installed new job systemd-exit.service/start as 4 Jan 26 11:53:58 linux-1a7f systemd[1942]: Installed new job shutdown.target/start as 5 Jan 26 11:53:58 linux-1a7f systemd[1942]: Installed new job default.target/stop as 7 Jan 26 11:53:58 linux-1a7f systemd[1942]: Enqueued job exit.target/start as 3 Jan 26 11:53:58 linux-1a7f systemd[1942]: Stopping Default. Jan 26 11:53:58 linux-1a7f systemd[1942]: default.target changed active -> dead Jan 26 11:53:58 linux-1a7f systemd[1942]: Job default.target/stop finished, result=done Jan 26 11:53:58 linux-1a7f systemd[1942]: Stopped target Default. Jan 26 11:53:58 linux-1a7f systemd[1942]: Starting Shutdown. Jan 26 11:53:58 linux-1a7f systemd[1942]: shutdown.target changed dead -> active Jan 26 11:53:58 linux-1a7f systemd[1942]: Job shutdown.target/start finished, result=done Jan 26 11:53:59 linux-1a7f systemd[1942]: Reached target Shutdown. Jan 26 11:53:59 linux-1a7f systemd[1942]: Starting Exit the Session... Jan 26 11:53:59 linux-1a7f systemd[1942]: About to execute: /usr/bin/kill -s 58 $MANAGERPID Jan 26 11:53:59 linux-1a7f systemd[1942]: Forked /usr/bin/kill as 1951 Jan 26 11:53:59 linux-1a7f systemd[1942]: systemd-exit.service changed dead -> start Jan 26 11:53:59 linux-1a7f systemd[1942]: Set up jobs progress timerfd. Jan 26 11:53:59 linux-1a7f systemd[1942]: Collecting default.target Jan 26 11:53:59 linux-1a7f systemd[1942]: Received SIGCHLD from PID 1943 ((sd-pam)). Jan 26 11:53:59 linux-1a7f systemd[1942]: Got SIGCHLD for process 1943 ((sd-pam)) Jan 26 11:53:59 linux-1a7f systemd[1942]: Child 1943 died (code=exited, status=0/SUCCESS) Jan 26 11:53:59 linux-1a7f systemd[1942]: Received SIGCHLD from PID 1951 ((kill)). Jan 26 11:53:59 linux-1a7f systemd[1942]: Got SIGCHLD for process 1951 ((kill)) Jan 26 11:53:59 linux-1a7f systemd[1942]: Child 1951 died (code=killed, status=15/TERM) Jan 26 11:53:59 linux-1a7f systemd[1942]: Child 1951 belongs to systemd-exit.service Jan 26 11:53:59 linux-1a7f systemd[1942]: systemd-exit.service: main process exited, code=killed, status=15/TERM Jan 26 11:53:59 linux-1a7f systemd[1942]: systemd-exit.service changed start -> dead Jan 26 11:53:59 linux-1a7f systemd[1942]: Job systemd-exit.service/start finished, result=done Jan 26 11:53:59 linux-1a7f systemd[1942]: Started Exit the Session. Jan 26 11:53:59 linux-1a7f systemd[1942]: Closed jobs progress timerfd. Jan 26 11:53:59 linux-1a7f systemd[1942]: Starting Exit the Session. Jan 26 11:53:59 linux-1a7f systemd[1942]: exit.target changed dead -> active Jan 26 11:53:59 linux-1a7f systemd[1942]: Job exit.target/start finished, result=done Jan 26 11:53:59 linux-1a7f systemd[1942]: Reached target Exit the Session. _______________________________________________ systemd-devel mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/systemd-devel
