Red Hat Bugzilla – Bug 858148
nm-dispatcher causes dbus.service to timeout on shutdown
Last modified: 2013-07-31 19:38:43 EDT
Created attachment 613875 [details]
systemd shutdown log during poweroff
Description of problem:
During shutdown initiated with "poweroff", a minimal F17 installation in a VM may hang for 90 seconds with a black display.
Version-Release number of selected component (if applicable):
Fairly reliably hangs for 90 seconds after "poweroff".
Steps to Reproduce:
1. Complete a minimal F17 install in a VM as in Bug 845329, Comment 5.
2. Complete a full update and reinstall grub2 as in Bug 845329, Comment 6.
May hang with a black display for 90 seconds during shutdown.
Shutdown completes without a hang.
I may have seen a hang during reboot.
Removing "quiet" from the kernel command line seems to prevent the hang.
The attachment was collected following the instructions given here:
Shutdown Completes Eventually
Created attachment 613876 [details]
Created attachment 614065 [details]
systemd shutdown log during reboot
The 90 second hang may also occur during reboot.
Created attachment 614066 [details]
/var/log/messages after 90 second hang and reboot
nm-dispatcher is forked off dbus apparently, and is unwilling to die on SIGTERM. It will thus delay shutdown. Reassigning to NM.
(as a side note: would be cool to have nm-dispatcher as a natvie systemd service, as NM itself is too. That way things would be a lot more obvious, as people wouldn't blame D-Bus for one of its clients not terminating cleanly.
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