From owner-freebsd-fs@FreeBSD.ORG Mon Apr 25 21:34:31 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DE79F106564A; Mon, 25 Apr 2011 21:34:31 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id B5FF58FC20; Mon, 25 Apr 2011 21:34:31 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id 6A85F46B98; Mon, 25 Apr 2011 17:34:31 -0400 (EDT) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id F0B8D8A01B; Mon, 25 Apr 2011 17:34:30 -0400 (EDT) From: John Baldwin To: freebsd-fs@freebsd.org Date: Mon, 25 Apr 2011 17:34:30 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110325; KDE/4.5.5; amd64; ; ) References: <4DB5CF3C.9030002@FreeBSD.org> In-Reply-To: <4DB5CF3C.9030002@FreeBSD.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201104251734.30284.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (bigwig.baldwin.cx); Mon, 25 Apr 2011 17:34:31 -0400 (EDT) Cc: Subject: Re: panic: ext2fs_alloccg: map corrupted X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Apr 2011 21:34:32 -0000 On Monday, April 25, 2011 3:45:00 pm Doug Barton wrote: > I got the following panic on 9-current, r216869, amd64 SMP on a core 2 > duo system. I'm running the older version (from 2011-01-01) to try and > determine where the problem I'm having with stability on -current first > occurred. If this problem was fixed between now and then, no worries. > > This panic happened during heavy disk activity on the ext2fs partition. > The file core.txt.0.216869 is in my home directory on freefall if anyone > wants to take a look. This looks like the panic that you reported earlier (and tested the fix for IIRC). The fix was comitted in 218438: ------------------------------------------------------------------------ r218438 | jhb | 2011-02-08 08:02:25 -0500 (Tue, 08 Feb 2011) | 6 lines After reading a bitmap block for i-nodes or blocks, recheck the count of free i-nodes or blocks to handle a race where another thread might have allocated the last i-node or block while we were waiting for the buffer. Tested by: dougb -- John Baldwin