Comment 0 for bug 327053

Here is the section of /var/log/daemon.log at around the right time.

Feb 8 19:32:38 alex-laptop NetworkManager: <debug> [1234139558.846724] periodic_update(): Roamed from BSSID 00:0C:E6:D7:C7:DA (Villanova) to (none) ((none))
Feb 8 19:32:44 alex-laptop NetworkManager: <debug> [1234139564.847768] periodic_update(): Roamed from BSSID (none) ((none)) to 00:0C:E6:D7:C7:DA (Villanova)
Feb 8 19:34:05 alex-laptop hald: unmounted /dev/sdb1 from '/media/PAUL KOSSOF' on behalf of uid 1000
Feb 8 19:34:38 alex-laptop NetworkManager: <debug> [1234139678.915729] periodic_update(): Roamed from BSSID 00:0C:E6:D7:C7:DA (Villanova) to (none) ((none))
Feb 8 19:34:44 alex-laptop NetworkManager: <debug> [1234139684.919833] periodic_update(): Roamed from BSSID (none) ((none)) to 00:0C:E6:D7:C7:DA (Villanova)
Feb 8 19:36:38 alex-laptop NetworkManager: <debug> [1234139798.974801] periodic_update(): Roamed from BSSID 00:0C:E6:D7:C7:DA (Villanova) to (none) ((none))
Feb 8 19:36:44 alex-laptop NetworkManager: <debug> [1234139804.975860] periodic_update(): Roamed from BSSID (none) ((none)) to 00:0C:E6:D7:C7:DA (Villanova)
Feb 8 19:38:15 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 19:38:15 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 19:38:15 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 714 seconds.
Feb 8 19:42:39 alex-laptop NetworkManager: <debug> [1234140159.178789] periodic_update(): Roamed from BSSID 00:0C:E6:D7:C7:DA (Villanova) to (none) ((none))
Feb 8 19:42:45 alex-laptop NetworkManager: <debug> [1234140165.182860] periodic_update(): Roamed from BSSID (none) ((none)) to 00:0C:E6:D7:C7:DA (Villanova)
Feb 8 19:44:39 alex-laptop NetworkManager: <debug> [1234140279.274811] periodic_update(): Roamed from BSSID 00:0C:E6:D7:C7:DA (Villanova) to (none) ((none))
Feb 8 19:44:45 alex-laptop NetworkManager: <debug> [1234140285.280276] periodic_update(): Roamed from BSSID (none) ((none)) to 00:0C:E6:D7:C7:DA (Villanova)
Feb 8 19:46:39 alex-laptop NetworkManager: <debug> [1234140399.354747] periodic_update(): Roamed from BSSID 00:0C:E6:D7:C7:DA (Villanova) to (none) ((none))
Feb 8 19:46:45 alex-laptop NetworkManager: <debug> [1234140405.358855] periodic_update(): Roamed from BSSID (none) ((none)) to 00:0C:E6:D7:C7:DA (Villanova)
Feb 8 19:48:39 alex-laptop NetworkManager: <debug> [1234140519.410787] periodic_update(): Roamed from BSSID 00:0C:E6:D7:C7:DA (Villanova) to (none) ((none))
Feb 8 19:48:45 alex-laptop NetworkManager: <debug> [1234140525.414949] periodic_update(): Roamed from BSSID (none) ((none)) to 00:0C:E6:D7:C7:DA (Villanova)
Feb 8 19:50:09 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 19:50:09 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 19:50:09 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 877 seconds.
Feb 8 20:04:46 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 20:04:46 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 20:04:46 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 848 seconds.
Feb 8 20:18:54 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 20:18:54 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 20:18:54 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 709 seconds.
Feb 8 20:30:43 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 20:30:43 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 20:30:43 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 728 seconds.
Feb 8 20:39:08 alex-laptop init: Re-executing /sbin/init
Feb 8 20:40:34 alex-laptop init: Re-executing /sbin/init
Feb 8 20:42:51 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 20:42:51 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 20:42:51 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 822 seconds.
Feb 8 20:56:33 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 20:56:33 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 20:56:33 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 679 seconds.
Feb 8 21:07:52 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 21:07:52 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 21:07:52 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 896 seconds.
Feb 8 21:08:47 alex-laptop NetworkManager: <info> HAL disappeared
Feb 8 21:08:49 alex-laptop NetworkManager: <info> HAL re-appeared
Feb 8 21:08:49 alex-laptop NetworkManager: <info> (eth2): now unmanaged
Feb 8 21:08:49 alex-laptop NetworkManager: <info> (eth2): device state change: 2 -> 1
Feb 8 21:08:49 alex-laptop NetworkManager: <info> (eth2): cleaning up...
Feb 8 21:08:49 alex-laptop NetworkManager: <info> (eth2): taking down device.
Feb 8 21:08:49 alex-laptop NetworkManager: <info> Unmanaged Device found; state CONNECTED forced. (see http://bugs.launchpad.net/bugs/191889)
Feb 8 21:08:50 alex-laptop acpid: client connected from 17480[107:116]
Feb 8 21:10:28 alex-laptop NetworkManager: <info> HAL disappeared
Feb 8 21:10:30 alex-laptop NetworkManager: <info> HAL re-appeared
Feb 8 21:10:30 alex-laptop NetworkManager: nm_device_get_managed: assertion `NM_IS_DEVICE (device)' failed
Feb 8 21:10:31 alex-laptop acpid: client connected from 21786[107:116]
Feb 8 21:18:13 alex-laptop acpid: client connected from 25464[107:116]
Feb 8 21:19:27 alex-laptop acpid: client connected from 25719[107:116]
Feb 8 21:22:48 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 21:22:48 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 21:22:48 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 754 seconds.
Feb 8 21:35:22 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 21:35:22 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 21:35:22 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 753 seconds.
Feb 8 21:39:50 alex-laptop NetworkManager: <info> starting...
Feb 8 21:39:50 alex-laptop NetworkManager: <info> Waiting for HAL to start...
Feb 8 21:47:55 alex-laptop dhclient: DHCPREQUEST of 153.104.180.32 on wlan0 to 153.104.136.2 port 67
Feb 8 21:47:55 alex-laptop dhclient: DHCPACK of 153.104.180.32 from 153.104.136.2
Feb 8 21:47:55 alex-laptop dhclient: bound to 153.104.180.32 -- renewal in 796 seconds.
Feb 8 21:51:31 alex-laptop dhcpd: Internet Systems Consortium DHCP Server V3.1.1
Feb 8 21:51:31 alex-laptop dhcpd: Copyright 2004-2008 Internet Systems Consortium.
Feb 8 21:51:31 alex-laptop dhcpd: All rights reserved.
Feb 8 21:51:31 alex-laptop dhcpd: For info, please visit http://www.isc.org/sw/dhcp/
Feb 8 21:51:31 alex-laptop dhcpd: Wrote 1 leases to leases file.
Feb 8 21:51:31 alex-laptop dhcpd:
Feb 8 21:51:31 alex-laptop dhcpd: No subnet declaration for wlan0 (153.104.180.32).
Feb 8 21:51:31 alex-laptop dhcpd: ** Ignoring requests on wlan0. If this is not what
Feb 8 21:51:31 alex-laptop dhcpd: you want, please write a subnet declaration
Feb 8 21:51:31 alex-laptop dhcpd: in your dhcpd.conf file for the network segment
Feb 8 21:51:31 alex-laptop dhcpd: to which interface wlan0 is attached. **
Feb 8 21:51:31 alex-laptop dhcpd:
Feb 8 21:51:31 alex-laptop dhcpd:
Feb 8 21:51:31 alex-laptop dhcpd: Not configured to listen on any interfaces!

Network-Manager died, although the applet stuck around. I'm on a laptop with a Broadcom card.
0c:00.0 Network controller: Broadcom Corporation BCM4312 802.11a/b/g (rev 01)