[arch-general] Wifi not working after kernel upgrade to 2.6.29

[Lyman]

Ondřej Kučera 写道:
> Hi,
> 
> I've just upgraded kernel to 2.6.29.1-3 and since then I can't connect 
> to my wireless network. netcfg times out and says "Wireless association 
> failed". The driver is iwl3945, here is the profile's content:
> CONNECTION="wireless"
> INTERFACE=wlan0
> SCAN="no"
> SECURITY="wpa"
> ESSID="foo"
> KEY="foobar"
> IP="dhcp"
> TIMEOUT=20
> QUIRKS=(preessid wpaessid)
> 
> If I correctly understand how it all works, wpa_supplicant is run and 
> then "wpa_cli status" is saying "wpa_state=SCANNING" for the whole 20 
> seconds until netcfg gives up.
> 
> Does anybody have similar problems or knows a solution?
I've got the same issue and have been looking for the reason. AFAIK, the 
earliest report is from Pierre Schmitz in "[arch-general] [signoff] 
kernel-2.6.29.1-3" thread:

 > It allways worked for me as user and not only when I had scanned as root
 > before. Maybe the previous driver scanned on its own from time to time?

 > Anyway the result is reproducable:
 > start with .28 -> iwlist wlan scan as user shows all networks
 > start with .29 -> iwlist wlan scan as user shows no networks

I am not sure what driver Pierre is using (ipw2200?), I am using an 
Atheros AR5008 (ath9k) and here's an example of rt2570:
http://bbs.archlinux.org/viewtopic.php?id=69498

> 
> Perhaps also relevant lines from /var/log/everything.log:
> Apr 10 00:00:33 hermione kernel: iwl3945 0000:03:00.0: PCI INT A -> GSI 
> 17 (level, low) -> IRQ 17
> Apr 10 00:00:33 hermione kernel: Registered led device: iwl-phy0:radio
> Apr 10 00:00:33 hermione kernel: Registered led device: iwl-phy0:assoc
> Apr 10 00:00:33 hermione kernel: Registered led device: iwl-phy0:RX
> Apr 10 00:00:33 hermione kernel: Registered led device: iwl-phy0:TX
> Apr 10 00:00:33 hermione kernel: ADDRCONF(NETDEV_UP): wlan0: link is not 
> ready
> Apr 10 00:00:55 hermione kernel: iwl3945 0000:03:00.0: PCI INT A disabled
> 
> Ondřej
> 
>