From owner-freebsd-stable@FreeBSD.ORG Thu Jul 9 15:35:13 2009 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 8135510656B2 for ; Thu, 9 Jul 2009 15:35:13 +0000 (UTC) (envelope-from thomas@ronner.org) Received: from mail.knopje.net (mail.knopje.net [213.214.107.232]) by mx1.freebsd.org (Postfix) with ESMTP id 46ADD8FC16 for ; Thu, 9 Jul 2009 15:35:13 +0000 (UTC) (envelope-from thomas@ronner.org) Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.knopje.net (Postfix) with ESMTP id 06F4F38128; Thu, 9 Jul 2009 17:35:12 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at knopje.net Received: from mail.knopje.net ([127.0.0.1]) by localhost (hal.knopje.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JtklKXDhqgbV; Thu, 9 Jul 2009 17:35:11 +0200 (CEST) Received: from [192.168.28.109] (48-251.surfsnel.dsl.internl.net [145.99.251.48]) by mail.knopje.net (Postfix) with ESMTP id 94409380FC; Thu, 9 Jul 2009 17:35:11 +0200 (CEST) Message-ID: <4A560E2F.1050906@ronner.org> Date: Thu, 09 Jul 2009 17:35:11 +0200 From: Thomas Ronner User-Agent: Thunderbird 2.0.0.22 (Windows/20090605) MIME-Version: 1.0 To: freebsd-stable@freebsd.org References: <1247085058.6197.18.camel@bugstore> <4A55F96B.6070303@icyb.net.ua> In-Reply-To: <4A55F96B.6070303@icyb.net.ua> Content-Type: text/plain; charset=KOI8-U; format=flowed Content-Transfer-Encoding: 7bit Cc: Andriy Gapon Subject: Re: ZFS: zpool scrub lockup 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: Thu, 09 Jul 2009 15:35:13 -0000 Hi Andriy, Andriy Gapon wrote: > on 08/07/2009 23:30 Thomas Ronner said the following: >> Hello, >> >> I don't know whether this is the right list; maybe freebsd-fs is more >> appropriate. So please redirect me there if this isn't the right place. >> >> My system (i386, Athlon XP) locks hard when scrubbing a certain pool. It >> has been doing this for at least a couple of months now. For this reason >> I upgraded to 7.2-STABLE recently as this had the latest ZFS bits, but >> this doesn't help. It even makes the problem worse: in previous versions >> I just hit the reset button and forgot about it, but now it "remembers" >> that it was scrubbing (I presume) and tries to resume at the exact same >> place, locking up again. This means I haven't been able to mount these >> ZFS volumes successfully: the moment I do a /etc/rc.d/zfs start from >> single user mode (I have my /, /var and /usr on UFS) it locks up in a >> couple of seconds. And by locks up I really mean locks up. No panic, >> nothing. Pressing the reset button on the chassis is the only way to >> reboot. > > You can try adding SW_WATCHDOG option to your kernel which might help catching the > lockup. Things like INVARIANTS and WITNESS might help th debugging too. > Serial console for remote debugging would be very useful too. > I'll definitely try those and report back on this list. Thanks for your answer! Regards, Thomas