Hi All, Since the installation of F12 in my Acer Aspire 580 series laptop with Intel 3945ABG wireless module, I am having the issue where my Wifi link gets deactivated and activated (disconnects & connects) frequently. AP is a Netgear WGR router with WEP enabled. Was using Debian GNU/Linux (Etch & Lenny) and I was able to work without any issues. The following is the /var/log/messages when a typical wifi session is disabled and enabled. This issue was severe when there was no security enabled in the router (I gave only MAC address level security). When I included WEP, it became better. Module iwl3945 is loaded in the kernel along with iwlcore, mac80211. Any idea on how to avoid this completely?
Apr 16 09:03:36 localhost NetworkManager: <info> (wlan0): device state change: 8 -> 2 (reason 0) Apr 16 09:03:36 localhost NetworkManager: <info> (wlan0): deactivating device (reason: 0). Apr 16 09:03:36 localhost NetworkManager: <info> (wlan0): canceled DHCP transaction, dhcp client pid 3603 Apr 16 09:03:36 localhost NetworkManager: <WARN> check_one_route(): (wlan0) error -34 returned from rtnl_route_del(): Sucess#012 Apr 16 09:03:36 localhost avahi-daemon[1265]: Withdrawing address record for 192.168.0.4 on wlan0. Apr 16 09:03:36 localhost avahi-daemon[1265]: Leaving mDNS multicast group on interface wlan0.IPv4 with address 192.168.0.4. Apr 16 09:03:36 localhost avahi-daemon[1265]: Interface wlan0.IPv4 no longer relevant for mDNS. Apr 16 09:03:36 localhost NetworkManager: <info> (wlan0): taking down device. Apr 16 09:03:36 localhost avahi-daemon[1265]: Withdrawing address record for fe80::21b:77ff:fe51:4fcd on wlan0. Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): bringing up device. Apr 16 09:03:37 localhost kernel: Registered led device: iwl-phy0::radio Apr 16 09:03:37 localhost kernel: Registered led device: iwl-phy0::assoc Apr 16 09:03:37 localhost kernel: Registered led device: iwl-phy0::RX Apr 16 09:03:37 localhost kernel: Registered led device: iwl-phy0::TX Apr 16 09:03:37 localhost kernel: ADDRCONF(NETDEV_UP): wlan0: link is not ready Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): supplicant interface state: starting -> ready Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): device state change: 2 -> 3 (reason 42) Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) starting connection 'Auto virusk' Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): device state change: 3 -> 4 (reason 0) Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled... Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) started... Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled... Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) complete. Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) starting... Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): device state change: 4 -> 5 (reason 0) Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0/wireless): access point 'Auto virusk' has security, but secrets are required. Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): device state change: 5 -> 6 (reason 0) Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete. Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled... Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) started... Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): device state change: 6 -> 4 (reason 0) Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled... Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) complete. Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) starting... Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): device state change: 4 -> 5 (reason 0) Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0/wireless): connection 'Auto virusk' has security, and secrets exist. No new secrets needed. Apr 16 09:03:37 localhost NetworkManager: <info> Config: added 'ssid' value 'virusk' Apr 16 09:03:37 localhost NetworkManager: <info> Config: added 'scan_ssid' value '1' Apr 16 09:03:37 localhost NetworkManager: <info> Config: added 'key_mgmt' value 'NONE' Apr 16 09:03:37 localhost NetworkManager: <info> Config: added 'auth_alg' value 'OPEN' Apr 16 09:03:37 localhost NetworkManager: <info> Config: added 'wep_key0' value '<omitted>' Apr 16 09:03:37 localhost NetworkManager: <info> Config: added 'wep_tx_keyidx' value '0' Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete. Apr 16 09:03:37 localhost NetworkManager: <info> Config: set interface ap_scan to 1 Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): supplicant connection state: scanning -> disconnected Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): supplicant connection state: disconnected -> associating Apr 16 09:03:37 localhost kernel: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): supplicant connection state: associating -> associated Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): supplicant connection state: associated -> completed Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful. Connected to wireless network 'virusk'. Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled. Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) started... Apr 16 09:03:37 localhost NetworkManager: <info> (wlan0): device state change: 5 -> 7 (reason 0) Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Beginning DHCP transaction (timeout in 45 seconds) Apr 16 09:03:37 localhost NetworkManager: <info> dhclient started with pid 3807 Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) scheduled... Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete. Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) started... Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP6 Configure Get) complete. Apr 16 09:03:37 localhost dhclient[3807]: Internet Systems Consortium DHCP Client 4.1.1 Apr 16 09:03:37 localhost dhclient[3807]: Copyright 2004-2010 Internet Systems Consortium. Apr 16 09:03:37 localhost dhclient[3807]: All rights reserved. Apr 16 09:03:37 localhost dhclient[3807]: For info, please visit https://www.isc.org/software/dhcp/ Apr 16 09:03:37 localhost dhclient[3807]: Apr 16 09:03:37 localhost NetworkManager: <info> DHCP: device wlan0 state changed normal exit -> preinit Apr 16 09:03:37 localhost dhclient[3807]: Listening on LPF/wlan0/00:1b:77:51:4f:cd Apr 16 09:03:37 localhost dhclient[3807]: Sending on LPF/wlan0/00:1b:77:51:4f:cd Apr 16 09:03:37 localhost dhclient[3807]: Sending on Socket/fallback Apr 16 09:03:37 localhost dhclient[3807]: DHCPREQUEST on wlan0 to 255.255.255.255 port 67 Apr 16 09:03:37 localhost dhclient[3807]: DHCPACK from 192.168.0.1 Apr 16 09:03:37 localhost NetworkManager: <info> DHCP: device wlan0 state changed preinit -> reboot Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) scheduled... Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) started... Apr 16 09:03:37 localhost NetworkManager: <info> address 192.168.0.4 Apr 16 09:03:37 localhost NetworkManager: <info> prefix 24 (255.255.255.0) Apr 16 09:03:37 localhost NetworkManager: <info> gateway 192.168.0.1 Apr 16 09:03:37 localhost NetworkManager: <info> nameserver '192.168.0.1' Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 5 of 5 (IP Configure Commit) scheduled... Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP4 Configure Get) complete. Apr 16 09:03:37 localhost NetworkManager: <info> Activation (wlan0) Stage 5 of 5 (IP Configure Commit) started... Apr 16 09:03:37 localhost avahi-daemon[1265]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.0.4. Apr 16 09:03:37 localhost avahi-daemon[1265]: New relevant interface wlan0.IPv4 for mDNS. Apr 16 09:03:37 localhost avahi-daemon[1265]: Registering new address record for 192.168.0.4 on wlan0.IPv4. Apr 16 09:03:37 localhost dhclient[3807]: bound to 192.168.0.4 -- renewal in 36412 seconds. Apr 16 09:03:38 localhost NetworkManager: <info> (wlan0): device state change: 7 -> 8 (reason 0) Apr 16 09:03:38 localhost NetworkManager: <info> Policy set 'Auto virusk' (wlan0) as default for routing and DNS. Apr 16 09:03:38 localhost NetworkManager: <info> Activation (wlan0) successful, device activated. Apr 16 09:03:38 localhost NetworkManager: <info> Activation (wlan0) Stage 5 of 5 (IP Configure Commit) complete. Apr 16 09:03:39 localhost avahi-daemon[1265]: Registering new address record for fe80::21b:77ff:fe51:4fcd on wlan0.*. Regards, Kurian Thayil.
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