Return-path: Received: from xc.sipsolutions.net ([83.246.72.84]:47023 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751296AbZJQWBB (ORCPT ); Sat, 17 Oct 2009 18:01:01 -0400 Subject: Re: 2.6.32-rc0-git: oops in wireless, iwl3945 related? From: Johannes Berg To: Pavel Machek Cc: linux-kernel@vger.kernel.org, yi.zhu@intel.com, reinette.chatre@intel.com, linux-wireless@vger.kernel.org In-Reply-To: <20091017183320.GF16532@elf.ucw.cz> References: <20090929171249.GB14405@elf.ucw.cz> <1254431783.3959.45.camel@johannes.local> <1254432469.3959.46.camel@johannes.local> <20091017183320.GF16532@elf.ucw.cz> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-tnRoSLjxL8TdRps0VU97" Date: Sun, 18 Oct 2009 07:00:57 +0900 Message-Id: <1255816857.3434.3.camel@johannes.local> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-tnRoSLjxL8TdRps0VU97 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sat, 2009-10-17 at 20:33 +0200, Pavel Machek wrote: > On Thu 2009-10-01 23:27:49, Johannes Berg wrote: > > On Thu, 2009-10-01 at 23:16 +0200, Johannes Berg wrote: > >=20 > > > > wlan0: Selected IBSS BSSID 02:18:41:de:3f:02 based on configured SS= ID > > > > wlan0: Trigger new scan to find an IBSS to join > > > > wlan0: Trigger new scan to find an IBSS to join > > > > wlan0: Creating new IBSS network, BSSID f2:d3:80:82:ed:6a > > > > wlan0: Creating new IBSS network, BSSID 52:17:bf:45:d6:9d > > > > skb_over_panic: text:c07b4113 len:130 put:36 head:e4c3edf0 > > >=20 > > > This entire log is very odd ... can you reproduce this easily? printk > > > timestamps would be useful. > >=20 > > Kinda looks like a race condition, but it's rather odd. I think there's > > a race condition, so I'm going to submit this patch regardless after > > some testing, but if you want please try the patch below. >=20 > Well, the problem is not exactly reproducible... it failed to happen > again. So... thanks and I'll keep my eyes open if it returns.=20 Felix also found a bad condition (inverted) in the adhoc code, so that might be related too. johannes --=-tnRoSLjxL8TdRps0VU97 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJK2j6TAAoJEODzc/N7+QmaFooP/A/rbGa2s7/puW5Wy6p1pY4e 0R6IHrP1aNc/DXrJ5MpPBozD6R+qcEQveQKKlcm3MFLZ0ccZoIkhGhwlYHg+9cmB 7XlQ/je+OmP7TnZdKNypGuraBsuFITdYGeX++cCFC6BTbq0uToGJea7dtrnq6zgU IrkzKETCUwvk6P/AQhex+yhi3bXiUpmtNpWFKKmLykiY+c3BpqJvqr69K/4cLKJa iTVe428VDcvnTqtuvNf9JIjw7yk49o79QVz1aEnYCiCWHTyVcJfVu5/7DcFXnYUH UmRfmSJhdfwbrlagnse+yt+XQaojPDAskKdujqR/r3PlBQOnfK9gkcGL3wKPN8we SpVBhVCnpS2h32PNSunETZFYRM+OH//O48e3b7PTPVv9IRBqY8hkQOCOKOdzM+lS vxn2UN8DRGHtLD2DCfTCZZCKFwyRgoqzjxEP8+UrZZFQrcbhMektm66czuC48blr zoFjPLCgFNZCf2yQghpyxFmqKtR4vQ72XbRzU2e0BeDkF9Jn1AjhVgNO0MnwFbTK Q+MuOiag9c8V98zWeLyOcfdr+yExujY6GdL5cCDU/8P4pIosNiZK93MMtCw9NRes HDdJa3qX1GbzEaBLBvGW4N4mX6BhgMj5+eOKmxLKs+GdpqwZArGm/tgk/pFMNs+h pO7sbZp78aUum+W9JWGI =+yOS -----END PGP SIGNATURE----- --=-tnRoSLjxL8TdRps0VU97--