From owner-freebsd-stable@FreeBSD.ORG Sun Jul 18 21:14:18 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 507BF106566C for ; Sun, 18 Jul 2010 21:14:18 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from QMTA11.westchester.pa.mail.comcast.net (qmta11.westchester.pa.mail.comcast.net [76.96.59.211]) by mx1.freebsd.org (Postfix) with ESMTP id F3A0D8FC1D for ; Sun, 18 Jul 2010 21:14:17 +0000 (UTC) Received: from omta24.westchester.pa.mail.comcast.net ([76.96.62.76]) by QMTA11.westchester.pa.mail.comcast.net with comcast id jZ0j1e0021ei1Bg5BZEH3C; Sun, 18 Jul 2010 21:14:17 +0000 Received: from koitsu.dyndns.org ([98.248.41.155]) by omta24.westchester.pa.mail.comcast.net with comcast id jZEG1e00J3LrwQ23kZEH87; Sun, 18 Jul 2010 21:14:17 +0000 Received: by icarus.home.lan (Postfix, from userid 1000) id 708849B425; Sun, 18 Jul 2010 14:14:15 -0700 (PDT) Date: Sun, 18 Jul 2010 14:14:15 -0700 From: Jeremy Chadwick To: Mike Tancsa Message-ID: <20100718211415.GA84127@icarus.home.lan> References: <201007182108.o6IL88eG043887@lava.sentex.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201007182108.o6IL88eG043887@lava.sentex.ca> User-Agent: Mutt/1.5.20 (2009-06-14) Cc: freebsd-stable@freebsd.org Subject: Re: deadlock or bad disk ? RELENG_8 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Jul 2010 21:14:18 -0000 On Sun, Jul 18, 2010 at 05:08:09PM -0400, Mike Tancsa wrote: > > > On the serial console I see > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 74, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 128, size: 20480 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 69, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 6, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 74, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 128, size: 20480 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 69, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 6, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 74, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 128, size: 20480 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 69, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 6, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 74, size: 4096 > swap_pager: indefinite wait buffer: bufobj: 0, blkno: 128, size: 20480 > [...] > load: 0.00 cmd: csh 73167 [vnread] 22.32r 0.00u 0.00s 0% 3232k > load: 0.00 cmd: csh 73167 [vnread] 22.65r 0.00u 0.00s 0% 3232k > load: 0.00 cmd: csh 73167 [vnread] 22.96r 0.00u 0.00s 0% 3232k > load: 0.00 cmd: csh 73167 [vnread] 23.20r 0.00u 0.00s 0% 3232k > load: 0.00 cmd: csh 73167 [vnread] 23.40r 0.00u 0.00s 0% 3232k > load: 0.00 cmd: csh 73167 [vnread] 23.61r 0.00u 0.00s 0% 3232k Where exactly is your swap partition? I ask because of the below paragraph starting with "Its RELENG_8 amd64 from July 13th ...". > Its RELENG_8 amd64 from July 13th and the swap is on an ARECA drive > and I dont see any errors on any of the raidset members. I also have > a large zfs spool and a small mount point on a 3ware controller but > unfortunately, nothing in the logs post reboot and nothing from > smartctl If you Google for "swap_pager: indefinite wait buffer: bufobj" you'll find this is a pretty well-established problem, but the situation varies per person. A common one is here (read the entire thread): http://www.mail-archive.com/freebsd-questions@freebsd.org/msg192481.html I have no advice as far as how to solve this problem. -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |