From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: 2.6.18: Kernel BUG at mm/rmap.c:522 From: Peter Zijlstra In-Reply-To: <20061004154227.GD22487@skl-net.de> References: <20061004104018.GB22487@skl-net.de> <4523BE45.5050205@yahoo.com.au> <20061004154227.GD22487@skl-net.de> Content-Type: text/plain Date: Wed, 04 Oct 2006 17:49:00 +0200 Message-Id: <1159976940.27331.0.camel@twins> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Andre Noll Cc: Nick Piggin , linux-mm@kvack.org, linux-kernel@vger.kernel.org, andrea@suse.de, riel@redhat.com List-ID: On Wed, 2006-10-04 at 17:42 +0200, Andre Noll wrote: > On 23:59, Nick Piggin wrote: > > > Ah, this old thing. I hope it is repeatable? > > Well, it happened on both of the new machines we got last week. One > of these is still up BTW and I'm able to ssh into it. > > > What we really want is the bit before this, the "Eeek! page_mapcount went > > negative" part. > > There's no such message in the log. The preceeding lines are just normal > startup messages: > > Adding 16779852k swap on /dev/sda1. Priority:42 extents:1 across:16779852k > Adding 16779852k swap on /dev/sdb1. Priority:42 extents:1 across:16779852k > process `syslogd' is using obsolete setsockopt SO_BSDCOMPAT > > > It is also nice if we can work out where the page actually came from. The > > following attached patch should help out a bit with that, if you could > > run with it? > > Okay. I'll reboot with your patch and let you know if it crashes again. enable CONFIG_DEBUG_VM to get that. -- 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