This is the situation when installing the NetworkManager package:
http://paste.ubuntu-nl.org/13751
root@lort:~# /etc/init.d/dbus restart
* Stopping NetworkManager dispatcher [ ok ]
* Stopping NetworkManager daemon [ ok ]
* Stopping DHCP client manager... [ ok ]
* Stopping Hardware abstraction layer hald [ ok ]
* Stopping system message bus dbus [ ok ]
* Starting system message bus dbus [ ok ]
* Starting Hardware abstraction layer hald run-parts: /etc/dbus-1/event.d/20hal exited with return code 1
* Starting DHCP client manager... [ ok ]
* Starting NetworkManager daemon [ ok ]
* Starting NetworkManager dispatcher [ ok ]
root@lort:~# tail -f /var/log/messages
May 10 14:40:09 localhost -- MARK --
May 10 14:42:08 localhost dhcdbd: dbus_svc_init: dbus_bus_request_name failed: org.freedesktop.DBus.Error.AccessDenied Connection ":1.13" is not allowed to own the service "com.redhat.dhcp" due to security policies in the configuration file
May 10 14:42:09 localhost dhcdbd: Failed to initialise D-Bus service.
May 10 14:42:09 localhost dhcdbd: Started up.
May 10 14:54:53 localhost kernel: [4311990.941000] ADDRCONF(NETDEV_UP): eth0: link is not ready
May 10 14:54:54 localhost kernel: [4311992.550000] tg3: eth0: Link is up at 100 Mbps, full duplex.
May 10 14:54:54 localhost kernel: [4311992.550000] tg3: eth0: Flow control is on for TX and on for RX.
May 10 14:54:54 localhost kernel: [4311992.557000] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
May 10 14:55:06 localhost dhcdbd: Shut down.
May 10 14:55:10 localhost dhcdbd: Started up.
root@lort:~# cd /etc/dbus-1/
root@lort:/etc/dbus-1# ls
event.d session.conf system.conf system.d
root@lort:/etc/dbus-1# cd system.d/
root@lort:/etc/dbus-1/system.d# ls
bluez.conf dhcdbd.conf hal.conf NetworkManager.conf nm-applet.conf notification-daemon.conf skype.conf.dpkg-new
root@lort:/etc/dbus-1/system.d# cat dhcdbd.conf
<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>
<servicedir>/usr/share/dbus-1/services</servicedir>
<policy user="root">
<allow own="com.redhat.dhcp"/>
<allow send_interface="com.redhat.dhcp"/>
<allow send_destination="com.redhat.dhcp"/>
</policy>
<policy context="default">
<deny own="com.redhat.dhcp"/>
<deny send_destination="com.redhat.dhcp"/>
<deny send_interface="com.redhat.dhcp"/>
</policy>
</busconfig>
root@lort:/etc/dbus-1/system.d#
After reboot you get an error like this:
May 10 15:13:41 localhost dhcdbd: message_handler: message handler not found under /com/redhat/dhcp/eth0 for sub-path eth0.dbus.get.reason
(gdb) set args --enable-
(gdb) run
Starting program: /usr/sbin/
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1211443520 (LWP 15897)]
(no debugging symbols found)
NetworkManager: <information> starting...
NetworkManager: <WARNING> main (): nm_data_new: Setting up dbus filter
NetworkManager: <information> eth0: Device is fully-supported using driver 'tg3'.
[New Thread -1211446352 (LWP 15906)]
NetworkManager: <information> nm_device_init(): waiting for device's worker thread to start
NetworkManager: <information> nm_device_init(): device's worker thread started, continuing.
NetworkManager: <information> Now managing wired Ethernet (802.3) device 'eth0'.
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1211443520 (LWP 15897)]
0xb7f82e47 in pthread_
(gdb) bt
#0 0xb7f82e47 in pthread_
#1 0x08059a3b in nm_device_
#2 0xb7cdceac in g_object_unref () from /usr/lib/
#3 0x08055e50 in nm_device_new ()
#4 0x0806589a in nm_create_
#5 0x08065ecf in nm_add_
#6 0x0806654e in nm_hal_init ()
#7 0x080672da in main ()
(gdb)