touch-packages team mailing list archive

[Simon McVittie <1438612@xxxxxxxxxxxxxxxxxx>]

(In reply to Simon McVittie from comment #6)
> Unfortunately, "systemctl restart dbus" (which was never supported either)
> will now start a second dbus-daemon in parallel with the first

I think that's unacceptable.

(In reply to Lennart Poettering from comment #12)
> If at all, use RefuseManualStop=yes on the unit, but I don't like that much
> either.

I don't think this would satisfy the original requirement unless the
ExecStop=/bin/true was also included, and you've said that that's
undesired.

> Please do not apply that ExecStop= thing. You really shouldn't block
that.

Fair enough. NOTOURBUG then.

> The best way is to fix the few services that really need dbus
> unconditionally to be around to add After=dbus.service. And all is good.

OK. In the case of the original bug report, I think this means
wpasupplicant and maybe NetworkManager would have to either turn off
exit-on-disconnect (for libdbus and/or GDBus, depending which they use),
or be After=dbus.service.

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https://bugs.launchpad.net/bugs/1438612

Title:
  remote file systems hang on shutdown, D-BUS stops too early

Status in D-Bus:
  Won't Fix
Status in dbus package in Ubuntu:
  Fix Released

Bug description:
  (part of bug 1431774). During shutdown, D-Bus stops too early. In
  particular, it stops before NetworkManager and remote-fs.target,  so
  that any network unmount  will cause errors and hang the boot. This
  can be seen with

  $ journalctl -b -1 | egrep 'Stop.*(D-Bus|Network M|Remote F)'
  Mär 30 19:05:19 donald systemd[1]: Stopping D-Bus System Message Bus...
  Mär 30 19:05:19 donald systemd[1]: Stopped D-Bus System Message Bus.
  Mär 30 19:05:19 donald systemd[1]: Stopped target Remote File Systems.
  Mär 30 19:05:19 donald systemd[1]: Stopping Remote File Systems.
  Mär 30 19:05:19 donald systemd[1]: Stopped target Remote File Systems (Pre).
  Mär 30 19:05:19 donald systemd[1]: Stopping Remote File Systems (Pre).
  Mär 30 19:05:19 donald systemd[1]: Stopping Network Manager...
  Mär 30 19:05:42 donald systemd[1]: Stopped Network Manager.
  Mär 30 19:05:42 donald systemd[1]: Stopping D-Bus System Message Bus Socket.

  A quick workaround is to add After=dbus.service to
  /lib/systemd/system/NetworkManager.service's [Unit] section, but this
  should be fixed in a more general fashion.

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