From owner-freebsd-fs@FreeBSD.ORG Thu Aug 21 19:47:42 2008 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 E270B106566B; Thu, 21 Aug 2008 19:47:42 +0000 (UTC) (envelope-from jdc@parodius.com) Received: from mx01.sc1.parodius.com (mx01.sc1.parodius.com [72.20.106.3]) by mx1.freebsd.org (Postfix) with ESMTP id CE8B98FC1A; Thu, 21 Aug 2008 19:47:42 +0000 (UTC) (envelope-from jdc@parodius.com) Received: by mx01.sc1.parodius.com (Postfix, from userid 1000) id B57EC1CC0C3; Thu, 21 Aug 2008 12:47:42 -0700 (PDT) Date: Thu, 21 Aug 2008 12:47:42 -0700 From: Jeremy Chadwick To: Weldon S Godfrey 3 Message-ID: <20080821194742.GA19362@eos.sc1.parodius.com> References: <20080806101621.H24586@emmett.excelsus.com> <20080814091337.Y94482@emmett.excelsus.com> <20080821153107.W76650@emmett.excelsus.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080821153107.W76650@emmett.excelsus.com> User-Agent: Mutt/1.5.18 (2008-05-17) Cc: freebsd-fs@freebsd.org, pjd@FreeBSD.org Subject: Re: ZFS-NFS kernel panic under load 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: Thu, 21 Aug 2008 19:47:43 -0000 On Thu, Aug 21, 2008 at 03:35:04PM -0400, Weldon S Godfrey 3 wrote: > Looks like the bug with NFS and ZFS still exists. > > Well, I got the lastest 8-HEAD on with the most recent ZFS patch and ran > the benchmarks again this morning and after about an hour, it paniced > with the same message about page fault with nfsd. It dropped to debugger > on shutdown, it didn't do a savecore, dumpdev is set to AUTO. Specifically regarding the debugger/didn't run savecore/dumpdev statement: What exactly did you type once at the debugger prompt? It matters. There's also this, which I reported nearly a year ago: http://www.freebsd.org/cgi/query-pr.cgi?pr=conf/118255 I haven't been able to reproduce my above PR on RELENG_7, but I'm unaware of anything that might have changed in RELENG_7 that fixes this problem. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |