[Bug 1316991] Re: Shutdown hangs waiting for plymouth-shutdown
Mathieu Trudel-Lapierre
mathieu.tl at gmail.com
Sat Jan 31 03:42:45 UTC 2015
Setting to Medium and reassigning to myself. I'll kick off the tests
Dimitri was planning on starting, Monday.
** Changed in: plymouth (Ubuntu)
Importance: Undecided => Medium
** Changed in: plymouth (Ubuntu)
Assignee: Dimitri John Ledkov (xnox) => Mathieu Trudel-Lapierre (mathieu-tl)
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https://bugs.launchpad.net/bugs/1316991
Title:
Shutdown hangs waiting for plymouth-shutdown
Status in plymouth package in Ubuntu:
Confirmed
Bug description:
This issue occurs with Ubuntu Trusty and xdm installed. The system
reacts on [Ctrl]-[Alt]-[Del], which triggers
exec shutdown -h now "Control-Alt-Delete pressed"
without any additional checks via /etc/init/control-alt-delete.conf.
An open SSH connection will then also report the "system is going down
for halt NOW!" message, so shutdown initialization works as expected.
After that, the system stays in that state forever
Procedure:
* Boot ubuntu-minimal with X/xdm installed
* Terminate xdm before logging in using [Ctrl]-R
* Send [Ctrl]-[Alt]-[Del]
* Wait ...
I've tried the reboot with both plymouth-disabler missing/installed,
but result is the same.
See the list of running processes during shutdown, It looks like some
deadlock waiting for events.
I failed to verify if the problem is specific to having xdm installed,
the upstart package or some other component, so the
bug/misconfiguration might be in some other package.
$ lsb_release -rd
Description: Ubuntu 14.04 LTS
Release: 14.04
$ apt-cache policy plymouth
plymouth:
Installed: 0.8.8-0ubuntu17
Candidate: 0.8.8-0ubuntu17
Version table:
*** 0.8.8-0ubuntu17 0
500 http://archive.ubuntu.com/ubuntu/ trusty/main i386 Packages
100 /var/lib/dpkg/status
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