linux-kernel - Re: 2.6.18: Kernel BUG at mm/rmap.c:522

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1159976940.27331.0.camel@twins>
Date:	Wed, 04 Oct 2006 17:49:00 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Andre Noll <maan@...temlinux.org>
Cc:	Nick Piggin <nickpiggin@...oo.com.au>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, andrea@...e.de, riel@...hat.com
Subject: Re: 2.6.18: Kernel BUG at mm/rmap.c:522

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 from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/