From owner-freebsd-current@FreeBSD.ORG Wed Jun 30 01:11:22 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id ACD6616A4CE for ; Wed, 30 Jun 2004 01:11:22 +0000 (GMT) Received: from smtp19.wxs.nl (smtp19.wxs.nl [195.121.6.15]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5185143D53 for ; Wed, 30 Jun 2004 01:11:22 +0000 (GMT) (envelope-from ronald-freebsd7@klop.yi.org) Received: from ronald.echteman.nl (ip51cdc5d2.speed.planet.nl [81.205.197.210]) by smtp19.wxs.nlSMTP id <0I030003PKM9CR@smtp19.wxs.nl> for freebsd-current@freebsd.org; Wed, 30 Jun 2004 03:10:57 +0200 (CEST) Received: (qmail 9834 invoked from network); Wed, 30 Jun 2004 01:11:20 +0000 Received: from unknown (HELO laptop.thuis.klop.ws) (192.168.1.4) by ronald.echteman.nl with SMTP; Wed, 30 Jun 2004 01:11:20 +0000 Received: (qmail 3243 invoked from network); Wed, 30 Jun 2004 01:11:19 +0000 Received: from unknown (HELO guido.thuis.klop.ws) (192.168.0.2) by 192.168.0.16 with SMTP; Wed, 30 Jun 2004 01:11:19 +0000 Received: (qmail 1049 invoked from network); Wed, 30 Jun 2004 01:11:18 +0000 Received: from localhost.thuis.klop.ws (HELO outgoing.local) (127.0.0.1) by localhost.thuis.klop.ws with SMTP; Wed, 30 Jun 2004 01:11:18 +0000 Date: Wed, 30 Jun 2004 03:11:17 +0200 From: Ronald Klop In-reply-to: <20040629235221.GF1144@green.homeunix.org> To: Brian Fundakowski Feldman Message-id: MIME-version: 1.0 Content-type: text/plain; format=flowed; delsp=yes; charset=iso-8859-1 Content-transfer-encoding: 7BIT User-Agent: Opera M2/7.51 (FreeBSD, build 689) References: <20040629235221.GF1144@green.homeunix.org> cc: freebsd-current@freebsd.org Subject: Re: panic with heavy writing on md device X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Jun 2004 01:11:22 -0000 On Tue, 29 Jun 2004 19:52:21 -0400, Brian Fundakowski Feldman wrote: > On Tue, Jun 29, 2004 at 11:11:51PM +0200, Ronald Klop wrote: >> Hello, >> >> I got a panic while doing a lot of IO on a md device. >> I attached a gdb backtrace of the kernelcore and a dmesg output. >> >> It happened while untarring a 30 MB tar on the background (&) and >> traversing this new directory in the meantime. >> >> uname -a >> FreeBSD guido.thuis.klop.ws 5.2-CURRENT FreeBSD 5.2-CURRENT #1: Fri Jun >> 25 >> 04:03:35 CEST 2004 >> root@guido.thuis.klop.ws:/usr/obj/usr/src/sys/GUIDO i386 >> >> On the same time I was playing music with mpg123, but that doesn't make >> use of the md device. >> >> I have had this more and always while doing a lot of IO on the md >> device. >> >> Is there more info you need? > > It looks like there is a memory leak -- in general, you are not supposed > to run out of kernel virtual memory address space unless you have a > dire misconfiguration somewhere. > > Unfortunately, I think the most useful pieces of information (zone and > malloc allocation) are not fetchable via kvm anymore. Here's a fix for > vmstat so that you can provide vmstat -m output using the -M and -N > args again. I think vmstat -c output would also be useful. Thanks, I solved it. See my other thread about kmem_malloc. I thought that was about another error, so I opened a new thread. Greetings, Ronald. -- Ronald Klop Amsterdam, The Netherlands