From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751762Ab1C2E1a (ORCPT ); Tue, 29 Mar 2011 00:27:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:16595 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750832Ab1C2E13 (ORCPT ); Tue, 29 Mar 2011 00:27:29 -0400 Date: Tue, 29 Mar 2011 00:26:53 -0400 From: Dave Jones To: =?iso-8859-1?Q?Am=E9rico?= Wang Cc: Linus Torvalds , Andrew Morton , Linux Kernel Subject: Re: vma corruption in today's -git Message-ID: <20110329042652.GA570@redhat.com> Mail-Followup-To: Dave Jones , =?iso-8859-1?Q?Am=E9rico?= Wang , Linus Torvalds , Andrew Morton , Linux Kernel References: <20110329040939.GA32764@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Mar 29, 2011 at 12:19:01PM +0800, Américo Wang wrote: > On Tue, Mar 29, 2011 at 12:09 PM, Dave Jones wrote: > > Running a kernel that I built from a git pull from this afternoon, > > I ran a barrage of stress tests, including some of the new syscall fuzzing > > work that I've been working on.  Everything seemed just fine, except that > > after I had stopped running everything, loadavg was still at 6, with > > top showing kworker processes running at high % of cpu. > > > > I ran perf top, and got this .. > > > >  BUG: unable to handle kernel paging request at fffffffffffffff3 > >  IP: [] vma_stop.clone.3+0x18/0x33 > > Should be fixed by: > > commit 76597cd31470fa130784c78fadb4dab2e624a723 > Author: Linus Torvalds > Date: Sun Mar 27 19:09:29 2011 -0700 > > proc: fix oops on invalid /proc//maps access excellent, thanks. I'll repull and try again. Dave