WiFi issues after upgrade on Sid, wlan0 ; No such device
I'm running Sid on my ThinkPad X200s, and after an `aptitude upgrade`
the WiFi is experiencing intermittent problems. Pretty sure it's not
the hardware, as I've never experienced these issues before and this
started happening exactly after the upgrade.
It's an Intel Ultimate N 5300 WiFi card:
% lspci | grep WiFi
03:00.0 Network controller: Intel Corporation Ultimate N WiFi Link 5300
Sometimes it works:
% iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
% rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Sometimes it doesn't work:
% iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
% sudo iwconfig wlan0 txpower on ; sudo ifup wlan0
Error for wireless request "Set Tx Power" (8B27) :
GET failed on device wlan0 ; No such device.
Could not read interface wlan0 flags: No such device
Failed to initialize driver interface
Failed to bring up wlan0.
% rfkill list
(blank - nothing listed)
This uses the iwlagn driver, tried to remove & re-add it:
% sudo rmmod iwlagn
Error: Module iwlagn is in use
The relevant firmware package is up to date:
% apt-show-versions firmware-iwlwifi
firmware-iwlwifi/sid uptodate 0.35
I'm wondering if a more up-to-date Kernel might solve the problem:
% uname -a
Linux ... 2.6.38-grml #1 SMP PREEMPT Tue May 24 15:10:58 UTC 2011 i686 GNU/Linux
...but `aptitude install linux-image-686-pae` wants to upgrade
perl-base from 5.12.3-6 to 5.14.2-10, which in turn wants to remove
440 packages.
Any suggestions regarding how to get WiFi working again would be much
appreciated.
John
--
John Magolske
http://B79.net/contact
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