From mboxrd@z Thu Jan 1 00:00:00 1970 From: "John W. Linville" Subject: Re: Kernel panic with the b44 driver in 2.6.35-rc1 Date: Tue, 1 Jun 2010 09:33:19 -0400 Message-ID: <20100601133318.GA26701@tuxdriver.com> References: <4C0414F3.8030409@tvcablenet.be> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: "news.gmane.org" Return-path: Received: from charlotte.tuxdriver.com ([70.61.120.58]:57144 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755885Ab0FANpL (ORCPT ); Tue, 1 Jun 2010 09:45:11 -0400 Content-Disposition: inline In-Reply-To: <4C0414F3.8030409@tvcablenet.be> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, May 31, 2010 at 09:58:43PM +0200, news.gmane.org wrote: > I have a kernel panic at startup with the b44 driver with the 2.6.35-rc1 > kernel. I have submitted a bug report (see > https://bugzilla.kernel.org/show_bug.cgi?id=16074) but until know, I > din't get any answer yet. Does anybody knows what's happening. I have > tried several git-bisect run but I didn't find any conclusive result. > The first bad-commit was different each time and if I revert it, the > problem still occurs anyway. This patch is already on its way to Linus -- it should fix the problem you are seeing: commit da1fdb02d9200ff28b6f3a380d21930335fe5429 Author: Christoph Fritz Date: Fri May 28 10:45:59 2010 +0200 ssb: fix NULL ptr deref when pcihost_wrapper is used Ethernet driver b44 does register ssb by it's pcihost_wrapper and doesn't set ssb_chipcommon. A check on this value introduced with commit d53cdbb94a52a920d5420ed64d986c3523a56743 and ea2db495f92ad2cf3301623e60cb95b4062bc484 triggers: BUG: unable to handle kernel NULL pointer dereference at 00000010 IP: [] ssb_is_sprom_available+0x16/0x30 Signed-off-by: Christoph Fritz Signed-off-by: John W. Linville -- John W. Linville Someday the world will need a hero, and you linville@tuxdriver.com might be all we have. Be ready.