My NIC is an Atheros AR928X using the ath9k driver. Heres my syslog after a bad startup: May 11 06:25:11 ml-linux NetworkManager: starting... May 11 06:25:11 ml-linux avahi-daemon[3060]: Found user 'avahi' (UID 108) and group 'avahi' (GID 120). May 11 06:25:11 ml-linux avahi-daemon[3060]: Successfully dropped root privileges. May 11 06:25:11 ml-linux avahi-daemon[3060]: avahi-daemon 0.6.23 starting up. May 11 06:25:11 ml-linux avahi-daemon[3060]: Successfully called chroot(). May 11 06:25:11 ml-linux avahi-daemon[3060]: Successfully dropped remaining capabilities. May 11 06:25:11 ml-linux NetworkManager: (eth0): new Ethernet device (driver: 'r8169') May 11 06:25:11 ml-linux NetworkManager: (eth0): exported as /org/freedesktop/Hal/devices/net_00_1e_68_f5_0d_98 May 11 06:25:11 ml-linux NetworkManager: (wlan0): driver supports SSID scans (scan_capa 0x01). May 11 06:25:11 ml-linux NetworkManager: (wlan0): new 802.11 WiFi device (driver: 'ath9k') May 11 06:25:11 ml-linux NetworkManager: (wlan0): exported as /org/freedesktop/Hal/devices/net_00_23_4d_56_ff_02 May 11 06:25:11 ml-linux NetworkManager: Trying to start the supplicant... May 11 06:25:11 ml-linux NetworkManager: Trying to start the system settings daemon... May 11 06:25:11 ml-linux avahi-daemon[3060]: No service file found in /etc/avahi/services. May 11 06:25:11 ml-linux avahi-daemon[3060]: Network interface enumeration completed. May 11 06:25:11 ml-linux avahi-daemon[3060]: Registering HINFO record with values 'I686'/'LINUX'. May 11 06:25:11 ml-linux avahi-daemon[3060]: Server startup complete. Host name is ml-linux.local. Local service cookie is 265270164. May 11 06:25:11 ml-linux mt-daapd[2955]: Client running May 11 06:25:11 ml-linux mt-daapd[2955]: Client registering May 11 06:25:11 ml-linux mt-daapd[2955]: Client running May 11 06:26:13 ml-linux dhclient: Internet Systems Consortium DHCP Client V3.1.1 May 11 06:26:13 ml-linux dhclient: Copyright 2004-2008 Internet Systems Consortium. May 11 06:26:13 ml-linux dhclient: All rights reserved. May 11 06:26:13 ml-linux dhclient: For info, please visit http://www.isc.org/sw/dhcp/ May 11 06:26:13 ml-linux dhclient: May 11 06:26:13 ml-linux avahi-daemon[3060]: Registering new address record for fe80::223:4dff:fe56:ff02 on wlan0.*. May 11 06:26:14 ml-linux NetworkManager: DHCP: device wlan0 state changed (null) -> preinit May 11 06:26:14 ml-linux dhclient: Listening on LPF/wlan0/00:23:4d:56:ff:02 May 11 06:26:14 ml-linux dhclient: Sending on LPF/wlan0/00:23:4d:56:ff:02 May 11 06:26:14 ml-linux dhclient: Sending on Socket/fallback May 11 06:26:17 ml-linux dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3 May 11 06:26:18 ml-linux dhclient: DHCPOFFER of 192.168.1.101 from 192.168.1.1 May 11 06:26:18 ml-linux dhclient: DHCPREQUEST of 192.168.1.101 on wlan0 to 255.255.255.255 port 67 May 11 06:26:18 ml-linux dhclient: DHCPACK of 192.168.1.101 from 192.168.1.1 May 11 06:26:18 ml-linux dhclient: bound to 192.168.1.101 -- renewal in 37315 seconds. May 11 06:26:18 ml-linux NetworkManager: DHCP: device wlan0 state changed preinit -> bound May 11 06:26:18 ml-linux NetworkManager: Activation (wlan0) Stage 4 of 5 (IP Configure Get) scheduled... May 11 06:26:18 ml-linux NetworkManager: Activation (wlan0) Stage 4 of 5 (IP Configure Get) started... May 11 06:26:18 ml-linux NetworkManager: address 192.168.1.101 May 11 06:26:18 ml-linux NetworkManager: prefix 24 (255.255.255.0) May 11 06:26:18 ml-linux NetworkManager: gateway 192.168.1.1 May 11 06:26:18 ml-linux NetworkManager: nameserver '208.67.222.222' May 11 06:26:18 ml-linux NetworkManager: nameserver '208.67.220.220' May 11 06:26:18 ml-linux NetworkManager: nameserver '24.200.241.37' May 11 06:26:18 ml-linux NetworkManager: Activation (wlan0) Stage 5 of 5 (IP Configure Commit) scheduled... May 11 06:26:18 ml-linux NetworkManager: Activation (wlan0) Stage 4 of 5 (IP Configure Get) complete. May 11 06:26:18 ml-linux NetworkManager: Activation (wlan0) Stage 5 of 5 (IP Configure Commit) started... May 11 06:26:18 ml-linux avahi-daemon[3060]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.101. May 11 06:26:18 ml-linux avahi-daemon[3060]: New relevant interface wlan0.IPv4 for mDNS. May 11 06:26:18 ml-linux avahi-daemon[3060]: Registering new address record for 192.168.1.101 on wlan0.IPv4. May 11 06:26:19 ml-linux NetworkManager: (wlan0): device state change: 7 -> 8 May 11 06:26:19 ml-linux NetworkManager: Policy set 'Auto Boudoir' (wlan0) as default for routing and DNS. May 11 06:26:19 ml-linux NetworkManager: Activation (wlan0) successful, device activated. May 11 06:26:19 ml-linux NetworkManager: Activation (wlan0) Stage 5 of 5 (IP Configure Commit) complete. After a good (manual) startup (restart): May 11 06:39:56 ml-linux avahi-daemon[4597]: Got SIGTERM, quitting. May 11 06:39:56 ml-linux avahi-daemon[4597]: Leaving mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.101. May 11 06:39:56 ml-linux mt-daapd[2955]: Client failure May 11 06:39:56 ml-linux mt-daapd[2955]: Server disconnected, reconnecting May 11 06:39:56 ml-linux mt-daapd[2955]: Client connecting May 11 06:39:56 ml-linux avahi-daemon[4676]: Found user 'avahi' (UID 108) and group 'avahi' (GID 120). May 11 06:39:56 ml-linux avahi-daemon[4676]: Successfully dropped root privileges. May 11 06:39:56 ml-linux avahi-daemon[4676]: avahi-daemon 0.6.23 starting up. May 11 06:39:56 ml-linux avahi-daemon[4676]: Successfully called chroot(). May 11 06:39:56 ml-linux avahi-daemon[4676]: Successfully dropped remaining capabilities. May 11 06:39:56 ml-linux avahi-daemon[4676]: No service file found in /etc/avahi/services. May 11 06:39:56 ml-linux avahi-daemon[4676]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.1.101. May 11 06:39:56 ml-linux avahi-daemon[4676]: New relevant interface wlan0.IPv4 for mDNS. May 11 06:39:56 ml-linux avahi-daemon[4676]: Network interface enumeration completed. May 11 06:39:56 ml-linux avahi-daemon[4676]: Registering new address record for fe80::223:4dff:fe56:ff02 on wlan0.*. May 11 06:39:56 ml-linux avahi-daemon[4676]: Registering new address record for 192.168.1.101 on wlan0.IPv4. May 11 06:39:56 ml-linux avahi-daemon[4676]: Registering HINFO record with values 'I686'/'LINUX'. May 11 06:39:56 ml-linux mt-daapd[2955]: Client registering May 11 06:39:57 ml-linux avahi-daemon[4676]: Server startup complete. Host name is ml-linux.local. Local service cookie is 3127269354. May 11 06:39:57 ml-linux mt-daapd[2955]: Client running May 11 06:40:01 ml-linux /USR/SBIN/CRON[4696]: (root) CMD ([ -x /usr/sbin/update-motd ] && /usr/sbin/update-motd 2>/dev/null)