Wifi link iwl3945

Fri Apr 16 04:07:27 UTC 2010

On 04/15/2010 08:42 PM, Kurian Thayil wrote:
> 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. 
I also have a 3945ABG and I see no wifi issues with F12.  However, I use 
WPA authentication.  I have on rare occasions had some of my connections 
get dropped while transferring data while other connections (even to the 
same system) remaining active.

Paolo

Paolo
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