So I've done some analysis, and I believe the root of the problem is
that dbus is stopped too early. network-manager stops whenever dbus
stops, because it is needed. We currently stop dbus "on runlevel [06]"
.. that is too early, because it is needed until after umountnfs runs
as part of the shutdown.
So the solution will be in two parts:
1. we must change netbase so that the 'networking stop' action emits a hook
event, which I'll call deconfiguring-networking, just before it deconfigures
the network.
2. dbus will be changed to 'stop on deconfiguring-networking', and therefore
also need a versioned dependency on the new version of netbase (otherwise it
would not stop).
I am preparing uploads to oneiric that implement these two fixes.
** Also affects: dbus (Ubuntu)
Importance: Undecided
Status: New
** Changed in: dbus (Ubuntu)
Importance: Undecided => Medium
** Changed in: dbus (Ubuntu)
Status: New => In Progress
** Changed in: dbus (Ubuntu)
Assignee: (unassigned) => Clint Byrum (clint-fewbar)
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https://bugs.launchpad.net/bugs/211631
Title:
Network is brought down before network filesystems are unmounted (CIFS
timeout at shutdown)
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