Bug#753576: systemd stopped responding to dbus.socket connections

[Michael Biebl]

Am 03.07.2014 11:16, schrieb Sam Morris:
> Package: systemd
> Version: 204-8~bpo70+1
> Severity: normal
> 
> My desktop has been up for 31 days. Today I noticed I could no longer connect                                                                                                              
> to the system dbus daemon. I'll leave the system up as long as possible in case
> you need me to get any further information.
> 
> # dbus-monitor --system
> Failed to open connection to system bus: Failed to connect to socket /var/run/dbus/system_bus_socket: Connection refused
> 
> # socat /run/dbus/system_bus_socket /dev/tty
> 2014/07/03 09:52:43 socat[24226] E connect(3, AF=1 "/run/dbus/system_bus_socket", 29): Connection refused
> 
> # sudo netstat -A unix -lnp | grep system_bus_socket
> unix  2      [ ACC ]     STREAM     LISTENING     7606     1/systemd           /var/run/dbus/system_bus_socket
> 
> # systemctl status dbus.socket
> dbus.socket - D-Bus System Message Bus Socket
>        Loaded: loaded (/lib/systemd/system/dbus.socket; static)
>        Active: active (running) since Mon 2014-06-02 09:51:06 BST; 1 months 0 days ago
>        Listen: /var/run/dbus/system_bus_socket (Stream)
> 
> Jun 02 09:51:06 oxylus systemd[1]: Starting D-Bus System Message Bus Socket.
> Jun 02 09:51:06 oxylus systemd[1]: Listening on D-Bus System Message Bus Socket.
> 
> # systemctl status dbus.service
> dbus.service - D-Bus System Message Bus
>    Loaded: loaded (/lib/systemd/system/dbus.service; static)
>    Active: active (running) since Mon 2014-06-02 09:51:06 BST; 1 months 0 days ago
>  Main PID: 1124 (dbus-daemon)
>    CGroup: name=systemd:/system/dbus.service
>            ├─1124 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation
>            ├─1566 /usr/sbin/modem-manager
>            └─1680 /usr/lib/accountsservice/accounts-daemon
> 
> Jul 03 07:56:16 oxylus dbus-daemon[1124]: dbus[1124]: [system] Activated service 'org.freedesktop.PackageKit' failed: Process /usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5
> Jul 03 07:56:16 oxylus dbus[1124]: [system] Activated service 'org.freedesktop.PackageKit' failed: Process /usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5
> Jul 03 08:56:16 oxylus dbus-daemon[1124]: dbus[1124]: [system] Activating service name='org.freedesktop.PackageKit' (using servicehelper)
> Jul 03 08:56:16 oxylus dbus[1124]: [system] Activating service name='org.freedesktop.PackageKit' (using servicehelper)
> Jul 03 08:56:16 oxylus dbus-daemon[1124]: (packagekitd:22845): GLib-GIO-CRITICAL **: g_dbus_proxy_new_sync: assertion `G_IS_DBUS_CONNECTION (connection)' failed
> Jul 03 08:56:16 oxylus dbus-daemon[1124]: (packagekitd:22845): GLib-GObject-WARNING **: invalid (NULL) pointer instance
> Jul 03 08:56:16 oxylus dbus-daemon[1124]: (packagekitd:22845): GLib-GObject-CRITICAL **: g_signal_connect_data: assertion `G_TYPE_CHECK_INSTANCE (instance)' failed
> Jul 03 08:56:17 oxylus dbus-daemon[1124]: (packagekitd:22845): PackageKit-ERROR **: failed to get pokit authority: Error initializing authority: Could not connect: Connection refused
> Jul 03 08:56:17 oxylus dbus-daemon[1124]: dbus[1124]: [system] Activated service 'org.freedesktop.PackageKit' failed: Process /usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5
> Jul 03 08:56:17 oxylus dbus[1124]: [system] Activated service 'org.freedesktop.PackageKit' failed: Process /usr/lib/dbus-1.0/dbus-daemon-launch-helper received signal 5

That looks like a dbus problem to me.

If dbus is running (and it apparently is), then it should be the process
listening on /var/run/dbus/system_bus_socket.

Does strace -p 1124 reveal anything useful?

Michael

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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