From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755021AbbDTLYu (ORCPT ); Mon, 20 Apr 2015 07:24:50 -0400 Received: from mail1.cbxnet.de ([212.87.33.16]:57788 "EHLO mail1.cbxnet.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754793AbbDTLYo (ORCPT ); Mon, 20 Apr 2015 07:24:44 -0400 Date: Mon, 20 Apr 2015 13:24:24 +0200 From: Torsten Luettgert To: Christoph Hellwig Cc: LKML , Linux SCSI mailing list Subject: Re: BUG: unable to handle kernel NULL pointer deref, bisected to 746650160 Message-ID: <20150420132424.0ce7965f@goldlack.schiller106> In-Reply-To: <20150419165841.GA20332@lst.de> References: <20150408183333.493607a3@goldlack.schiller106> <20150413174105.GA14988@lst.de> <20150413202829.580e3801@goldlack.schiller106> <20150419165841.GA20332@lst.de> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.27; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 19 Apr 2015 18:58:41 +0200 Christoph Hellwig wrote: > This looks like a long standing bug in all three 3ware drivers to > me, that the taking the host lock around the host_busy manipulation > was hiding. > > Can you test the patch below? I'm running it right now and keeping my fingers crossed. Thanks & regards, Torsten