Here is some more information. The wireless card seems to turn off and here is part of the logs while it is turning off and on. While this is happening the Wifi light flashes on and off. The quickest way to recover is to manually turn on the wifi card.
Dec 26 23:55:43 mike-Vostro-1000 NetworkManager[758]: <error> [1356594943.671785] [nm-supplicant-interface.c:804] interface_add_cb(): (wlan0): error adding interface: wpa_supplicant couldn't grab this interface. Dec 26 23:55:43 mike-Vostro-1000 NetworkManager[758]: dbus_g_proxy_cancel_call: assertion `pending != NULL' failed Dec 26 23:55:43 mike-Vostro-1000 NetworkManager[758]: <info> (wlan0): supplicant interface state: starting -> down Dec 26 23:55:43 mike-Vostro-1000 NetworkManager[758]: <warn> Trying to remove a non-existant call id. Dec 26 23:55:44 mike-Vostro-1000 dhclient: Internet Systems Consortium DHCP Client 4.1-ESV-R4 Dec 26 23:55:44 mike-Vostro-1000 dhclient: Copyright 2004-2011 Internet Systems Consortium. Dec 26 23:55:44 mike-Vostro-1000 dhclient: All rights reserved. Dec 26 23:55:44 mike-Vostro-1000 dhclient: For info, please visit https://www.isc.org/software/dhcp/ Dec 26 23:55:44 mike-Vostro-1000 dhclient: Dec 26 23:55:44 mike-Vostro-1000 dhclient: Listening on LPF/wlan0/00:1d:60:c0:1d:70 Dec 26 23:55:44 mike-Vostro-1000 dhclient: Sending on LPF/wlan0/00:1d:60:c0:1d:70 Dec 26 23:55:44 mike-Vostro-1000 dhclient: Sending on Socket/fallback Dec 26 23:55:44 mike-Vostro-1000 dhclient: DHCPRELEASE on wlan0 to 192.168.1.1 port 67 Dec 26 23:55:44 mike-Vostro-1000 dhclient: send_packet: Network is unreachable Dec 26 23:55:44 mike-Vostro-1000 dhclient: send_packet: please consult README file regarding broadcast address. Dec 26 23:55:45 mike-Vostro-1000 kernel: [ 6939.448122] b43-phy0: Loading firmware version 508.1084 (2009-01-14 01:32:01) Dec 26 23:55:45 mike-Vostro-1000 kernel: [ 6939.522148] ADDRCONF(NETDEV_UP): wlan0: link is not ready Dec 26 23:55:45 mike-Vostro-1000 kernel: [ 6939.772124] b43-phy0: Loading firmware version 508.1084 (2009-01-14 01:32:01) Dec 26 23:55:45 mike-Vostro-1000 kernel: [ 6939.853805] ADDRCONF(NETDEV_UP): wlan0: link is not ready Dec 26 23:55:49 mike-Vostro-1000 kernel: [ 6944.200094] b43-phy0: Loading firmware version 508.1084 (2009-01-14 01:32:01) Dec 26 23:55:49 mike-Vostro-1000 kernel: [ 6944.281852] ADDRCONF(NETDEV_UP): wlan0: link is not ready Dec 26 23:55:51 mike-Vostro-1000 dhclient: Internet Systems Consortium DHCP Client 4.1-ESV-R4 Dec 26 23:55:51 mike-Vostro-1000 dhclient: Copyright 2004-2011 Internet Systems Consortium. Dec 26 23:55:51 mike-Vostro-1000 dhclient: All rights reserved. Dec 26 23:55:51 mike-Vostro-1000 dhclient: For info, please visit https://www.isc.org/software/dhcp/ Dec 26 23:55:51 mike-Vostro-1000 dhclient: Dec 26 23:55:51 mike-Vostro-1000 dhclient: Listening on LPF/wlan0/00:1d:60:c0:1d:70 Dec 26 23:55:51 mike-Vostro-1000 dhclient: Sending on LPF/wlan0/00:1d:60:c0:1d:70 Dec 26 23:55:51 mike-Vostro-1000 dhclient: Sending on Socket/fallback Dec 26 23:55:51 mike-Vostro-1000 dhclient: DHCPRELEASE on wlan0 to 192.168.1.1 port 67 Dec 26 23:55:51 mike-Vostro-1000 dhclient: send_packet: Network is unreachable Dec 26 23:55:51 mike-Vostro-1000 dhclient: send_packet: please consult README file regarding broadcast address. Dec 26 23:55:52 mike-Vostro-1000 kernel: [ 6946.568110] b43-phy0: Loading firmware version 508.1084 (2009-01-14 01:32:01) Dec 26 23:55:52 mike-Vostro-1000 kernel: [ 6946.650256] ADDRCONF(NETDEV_UP): wlan0: link is not ready Dec 26 23:55:52 mike-Vostro-1000 dhclient: Internet Systems Consortium DHCP Client 4.1-ESV-R4 Dec 26 23:55:52 mike-Vostro-1000 dhclient: Copyright 2004-2011 Internet Systems Consortium. Dec 26 23:55:52 mike-Vostro-1000 dhclient: All rights reserved. Dec 26 23:55:52 mike-Vostro-1000 dhclient: For info, please visit https://www.isc.org/software/dhcp/ Dec 26 23:55:52 mike-Vostro-1000 dhclient: -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1093542 Title: Inconsistent wireless connection on a Dell Vostro 1000 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1093542/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
