Wifi link iwl3945

Sun Apr 18 03:36:45 UTC 2010

On 04/17/2010 07:56 PM, Kurian Thayil wrote:
>
>
> On Thu, 2010-04-15 at 21:07 -0700, Paolo Galtieri wrote:
>> 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
> Hi Paolo,
>
> Will it be possible for you to check with WEP authentication? Just to 
> make sure, its not dependent on the authentication method. Due to this 
> connection issue, I have started using Wired Connection. I know its a 
> security issue, hence its even OK if you can't change the 
> authentication method. Thanks in advance.
>
> Regards,
>
> Kurian Thayil. 
I setup a WEP connection and it connected just fine.  It's been running 
for about 10 minutes with no disconnects.  I'll keep running for a 
while.  I've been doing updates to try to keep the network busy to see 
if that has any effect.

Paolo
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