Re: iwl4965 oops in 2.6.26-rc5 x86_64

From: Dan Williams
Date: Fri Jun 06 2008 - 11:22:40 EST


On Fri, 2008-06-06 at 18:12 +0300, Tomas Winkler wrote:
> On Fri, Jun 6, 2008 at 5:51 PM, Thomas Backlund <tmb@xxxxxxxxxxxx> wrote:
> > Tomas Winkler skrev:
> >>
> >> On Fri, Jun 6, 2008 at 3:33 PM, Thomas Backlund <tmb@xxxxxxxxxxxx> wrote:
> >>>
> >>> Thomas Backlund skrev:
> >>>>
> >>>> Tomas Winkler skrev:
> >>>>>
> >>>>> On Fri, Jun 6, 2008 at 3:44 AM, Ian Schram <ischram@xxxxxxxxxx> wrote:
> >>>>>>
> >>>>>> Isn't this the Oops Joonwoo Park wanted to patch with
> >>>>>>
> >>>>>> "[PATCH] iwlwifi: fix oops on wep key insertion" 27/5/2008
> >>>>>>
> >>>>>> invalid length of webkey that would/should be handled in mac80211?
> >>>>>>
> >>>>>> ian
> >>>>>
> >>>>> Yes, it looks like.
> >>>>
> >>>> Ummm, what has a wep key to do with me trying to access a WPA2-Personal
> >>>> encrypted net ?
> >>
> >> Not sure yet, but mac is trying to assign default/static wep key.
> >>
> >> :iwlcore:iwl_send_static_wepkey_cmd+0xcb/0xd5
> >> :iwlcore:iwl_set_default_wep_key+0xa2/0xbc
> >>
> >> Try to set the encryption explicitly
> >> network={
> >> psk="*************************"
> >> scan_ssid=1
> >> ssid="dlink"
> >> pairwise=CCMP
> >> group=CCMP
> >> }
> >>
> >>
> >
> > That didn't help at all...
> >
> > What's more it prevented the wifi to work on 2.6.24.7 so I had to remove the
> > lines again...
> >
> So what's your AP configuration TKIP?

Yeah, the supplicant log he posted clearly shows that the GTK is TKIP.

ï> 1212763152.516781: wpa_driver_wext_set_key: alg=2 key_idx=1 set_tx=0 seq_len=6 key_len=32
> 1212763152.516790: WPA: Key negotiation completed with 00:xx:xx:xx:xx:xx [PTK=CCMP GTK=TKIP]

Dan

> Second try also with sw decryption:
>
> in /etc/modprobe.conf
> options iwl4965 swcrypto=1
>
>
> Tomas
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