Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752689AbYBENra (ORCPT ); Tue, 5 Feb 2008 08:47:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751075AbYBENrU (ORCPT ); Tue, 5 Feb 2008 08:47:20 -0500 Received: from zombie.ncsc.mil ([144.51.88.131]:33375 "EHLO zombie.ncsc.mil" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751058AbYBENrT (ORCPT ); Tue, 5 Feb 2008 08:47:19 -0500 Subject: Re: [2.6.24 REGRESSION] BUG: Soft lockup - with VFS From: Stephen Smalley To: Andrew Morton Cc: "\"Oliver Pinter" =?ISO-8859-1?Q?=28Pint=E9r_Oliv=E9r=29=22?= , Linux Kernel , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, James Morris In-Reply-To: <20080204213911.1bcbaf66.akpm@linux-foundation.org> References: <6101e8c40801280031v1a860e90gfb3992ae5db37047@mail.gmail.com> <20080204213911.1bcbaf66.akpm@linux-foundation.org> Content-Type: text/plain; charset=utf-8 Organization: National Security Agency Date: Tue, 05 Feb 2008 08:46:56 -0500 Message-Id: <1202219216.27371.24.camel@moss-spartans.epoch.ncsc.mil> Mime-Version: 1.0 X-Mailer: Evolution 2.12.3 (2.12.3-1.fc8) Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1047 Lines: 29 On Mon, 2008-02-04 at 21:39 -0800, Andrew Morton wrote: > On Mon, 28 Jan 2008 09:31:43 +0100 "Oliver Pinter (Pintér Olivér)" wrote: > > > hi all! > > > > in the 2.6.24 become i some soft lockups with usb-phone, when i pluged > > in the mobile, then the vfs-layer crashed. am afternoon can i the > > .config send, and i bisected the kernel, when i have time. > > > > pictures from crash: > > http://students.zipernowsky.hu/~oliverp/kernel/regression_2624/ > > It looks like selinux's file_has_perm() is doing spin_lock() on an > uninitialised (or already locked) spinlock. The trace looks bogus to me - I don't see how file_has_perm() could have been called there, and file_has_perm() doesn't directly take any spin locks. -- Stephen Smalley National Security Agency -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/