From owner-freebsd-fs@FreeBSD.ORG Mon Oct 11 15:15:12 2010 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 07D74106564A for ; Mon, 11 Oct 2010 15:15:12 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from qmta09.emeryville.ca.mail.comcast.net (qmta09.emeryville.ca.mail.comcast.net [76.96.30.96]) by mx1.freebsd.org (Postfix) with ESMTP id E0C0F8FC1C for ; Mon, 11 Oct 2010 15:15:11 +0000 (UTC) Received: from omta08.emeryville.ca.mail.comcast.net ([76.96.30.12]) by qmta09.emeryville.ca.mail.comcast.net with comcast id HRXt1f0070FhH24A9TFBSG; Mon, 11 Oct 2010 15:15:11 +0000 Received: from koitsu.dyndns.org ([98.248.41.155]) by omta08.emeryville.ca.mail.comcast.net with comcast id HTF91f00B3LrwQ28UTF9mY; Mon, 11 Oct 2010 15:15:10 +0000 Received: by icarus.home.lan (Postfix, from userid 1000) id 07FFC9B418; Mon, 11 Oct 2010 08:15:09 -0700 (PDT) Date: Mon, 11 Oct 2010 08:15:09 -0700 From: Jeremy Chadwick To: Andriy Gapon Message-ID: <20101011151508.GA10917@icarus.home.lan> References: <39F05641-4E46-4BE0-81CA-4DEB175A5FBE@free.de> <20101009111241.GA58948@icarus.home.lan> <4CB17983.3020907@icyb.net.ua> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4CB17983.3020907@icyb.net.ua> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: freebsd-fs@freebsd.org Subject: Re: Locked up processes after upgrade to ZFS v15 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, 11 Oct 2010 15:15:12 -0000 On Sun, Oct 10, 2010 at 11:29:55AM +0300, Andriy Gapon wrote: > on 09/10/2010 16:37 Kai Gallasch said the following: > > I must repeat. I offer my help if someone wants to dig into the locking problem. > > I would like to look into this. > Can you provide shell access to a system that exhibits the behavior? > Or even better serial console for remote debugging, if possible. > > Also, can you first try with the very latest stable/8 or even head? > I have recently MFC-ed a few improvements to ZFS code. Andriy, If you need or want a secondary test box (with serial console access and kernel debugger, just not remote gdb/kgdb), I have one available which I can build (would take me only part of the morning) mimicking production. Let me know if you want/need a secondary test bed. -- | 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 |