[Bug 688541] Re: race condition on shutdown (leads to corrupted fs)

[Michael Biebl]

2010/12/10 Ante Karamatić <ivoks at grad.hr>:
> Suggestion: make umountfs wait for all upstart jobs to finish.

Doesn't that conflict though with what is written in
/etc/init.d/sendsigs:

        # Upstart jobs have their own "stop on" clauses that sends
        # SIGTERM/SIGKILL just like this, so if they're still running,
        # they're supposed to be
        for pid in $(initctl list | sed -n -e "/process
[0-9]/s/.*process //p"); do
                OMITPIDS="${OMITPIDS:+$OMITPIDS }-o $pid"
        done

or

                # did an upstart job start since we last polled initctl? check
                # again on each loop and add any new jobs (e.g., plymouth) to
                # the list.  If we did miss one starting up, this beats waiting
                # 10 seconds before shutting down.
                for pid in $(initctl list | sed -n -e "/process
[0-9]/s/.*process //p"); do
                        OMITPIDS="${OMITPIDS:+$OMITPIDS }-o $pid"
                done


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https://bugs.launchpad.net/bugs/688541

Title:
  race condition on shutdown (leads to corrupted fs)