From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx114.postini.com [74.125.245.114]) by kanga.kvack.org (Postfix) with SMTP id 5E9DC6B006E for ; Thu, 7 Jun 2012 21:12:20 -0400 (EDT) Date: Thu, 7 Jun 2012 21:12:15 -0400 From: Dave Jones Subject: Re: a whole bunch of crashes since todays -mm merge. Message-ID: <20120608011215.GB7191@redhat.com> References: <20120608002451.GA821@redhat.com> <20120608010008.GA7191@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org List-ID: To: Linus Torvalds Cc: Andrew Morton , Linux Kernel , linux-mm@kvack.org On Thu, Jun 07, 2012 at 06:06:27PM -0700, Linus Torvalds wrote: > 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? I don't think so ? I have CONFIG_SPLIT_PTLOCK_CPUS=999999, so it looks like that never gets defined unless I'm missing something obvious. > Do you see multiple "BUG: Bad rss-counter state" messages? no > 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. the 8169 debug stuff I was trying to run used the function tracer. Could that have widened the window ? Dave -- 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