Re: iwl4965 oops in 2.6.26-rc5 x86_64

[Dan Williams <dcbw@redhat.com>]

On Fri, 2008-06-06 at 18:57 +0300, Thomas Backlund wrote:
> Dan Williams skrev:
> > On Fri, 2008-06-06 at 18:12 +0300, Tomas Winkler wrote:
> >> On Fri, Jun 6, 2008 at 5:51 PM, Thomas Backlund <tmb@mandriva.org>=
 wrote:
> >>> Tomas Winkler skrev:
> >>>> On Fri, Jun 6, 2008 at 3:33 PM, Thomas Backlund <tmb@mandriva.or=
g> wrote:
> >>>>> Thomas Backlund skrev:
> >>>>>> Tomas Winkler skrev:
> >>>>>>> On Fri, Jun 6, 2008 at 3:44 AM, Ian Schram <ischram@telenet.b=
e> 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 mac=
80211?
> >>>>>>>>
> >>>>>>>> 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=
=2E
> >>>>
> >>>> :iwlcore:iwl_send_static_wepkey_cmd+0xcb/0xd5
> >>>> :iwlcore:iwl_set_default_wep_key+0xa2/0xbc
> >>>>
> >>>> Try to set the encryption explicitly
> >>>> network=3D{
> >>>>    psk=3D"*************************"
> >>>>    scan_ssid=3D1
> >>>>    ssid=3D"dlink"
> >>>>    pairwise=3DCCMP
> >>>>   group=3DCCMP
> >>>>  }
> >>>>
> >>>>
> >>> 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?
> >=20
> > Yeah, the supplicant log he posted clearly shows that the GTK is TK=
IP.
> >=20
> > =EF=BB=BF> 1212763152.516781: wpa_driver_wext_set_key: alg=3D2 key_=
idx=3D1 set_tx=3D0 seq_len=3D6 key_len=3D32
> >> 1212763152.516790: WPA: Key negotiation completed with 00:xx:xx:xx=
:xx:xx [PTK=3DCCMP GTK=3DTKIP]
> >=20
>=20
> The AP is actually set for TKIP+AES
>=20
> BTW, is that better or worse than a clean AES ?
> I'm reading up on it, but I get a lot of conflicting info...

It's less secure than straight AES.

WEP < TKIP < AES/CCMP

Dan

> > Dan
> >=20
> >> Second try also with sw decryption:
> >>
> >> in /etc/modprobe.conf
> >> options iwl4965 swcrypto=3D1
> >>
> >>
> >> Tomas
> >> --
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> >=20
>=20
> Thomas

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