The problem appears to be caused when network manager catches the SIGTERM (15)
signal
I have a workaround involving hard killing network manager with SIGKILL:
Modify /etc/dbus-1/event.d/25NetworkManager as follows (just add the
--signal 9 option)
d_stop() {
# Modified MF 11 Feb 2008 To avoid NM hang
#start-stop-daemon --stop --retry 60 --quiet --pidfile $PIDFILE \
# --oknodo --user $USER --exec $DAEMON
start-stop-daemon --stop --signal 9 --retry 60 --quiet --pidfile
$PIDFILE \
--oknodo --user $USER --exec $DAEMON
}
Modify /etc/init.d/sendsigs as follows
...
# Kill all processes.
log_action_begin_msg "Terminating all remaining processes"
# Added MF 11 Feb 2008 To avoid shutdown hang
OMITNM=
if [ -f /var/run/NetworkManager/NetworkManager.pid ]; then
OMITNM=$(cat /var/run/NetworkManager/NetworkManager.pid)
OMITNM="-o $OMITNM"
fi
echo "Not killing $OMITNM"
killall5 -15 $OMITPIDS $OMITNM
# END MF mods
log_action_end_msg 0
...
--
Gutsy network-manager causes OS to freeze on system restart or power down
https://bugs.launchpad.net/bugs/183568
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