From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx131.postini.com [74.125.245.131]) by kanga.kvack.org (Postfix) with SMTP id 88DCD6B006E for ; Thu, 7 Jun 2012 21:06:49 -0400 (EDT) Received: by bkcjm19 with SMTP id jm19so1655268bkc.14 for ; Thu, 07 Jun 2012 18:06:47 -0700 (PDT) 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 Message-ID: Subject: Re: a whole bunch of crashes since todays -mm merge. Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Dave Jones , Linus Torvalds , Andrew Morton , Linux Kernel , linux-mm@kvack.org 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org