Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759451Ab2FHBGt (ORCPT ); Thu, 7 Jun 2012 21:06:49 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:61700 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757319Ab2FHBGs (ORCPT ); Thu, 7 Jun 2012 21:06:48 -0400 MIME-Version: 1.0 In-Reply-To: <20120608010008.GA7191@redhat.com> References: <20120608002451.GA821@redhat.com> <20120608010008.GA7191@redhat.com> From: Linus Torvalds Date: Thu, 7 Jun 2012 18:06:27 -0700 X-Google-Sender-Auth: zMIcz8e_tsTNrsx3rYFP1ubgErg Message-ID: Subject: Re: a whole bunch of crashes since todays -mm merge. To: Dave Jones , Linus Torvalds , Andrew Morton , Linux Kernel , linux-mm@kvack.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 656 Lines: 18 On Thu, Jun 7, 2012 at 6:00 PM, Dave Jones wrote: > > Or I might just be getting lucky.. Do you have SPLIT_RSS_COUNTING enabled? Do you see multiple "BUG: Bad rss-counter state" messages? The sync_mm_rss() thing could basically overwrite an already-free'd piece of memory, so it could cause pretty random stuff. But I think you need to be unlucky to hit the window. Linus -- 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/