From owner-freebsd-stable@FreeBSD.ORG Sat Feb 20 22:19:40 2010 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 86EB0106566C; Sat, 20 Feb 2010 22:19:40 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-iw0-f185.google.com (mail-iw0-f185.google.com [209.85.223.185]) by mx1.freebsd.org (Postfix) with ESMTP id 1EFE58FC08; Sat, 20 Feb 2010 22:19:39 +0000 (UTC) Received: by iwn15 with SMTP id 15so1350858iwn.7 for ; Sat, 20 Feb 2010 14:19:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type:content-transfer-encoding; bh=n+90xLH9qr8zVsECyDAh5icnNh6C+ve2ovdINOaP7Lg=; b=QhAEuGgmoT9D40iq/ooqVidTfw3sauC7L6hX5+ZQ313a7usG0bS448tmSoktds5W+J f0N6DctkkVvXRr/UpiCqc8hk+nMmaR/MsA1P1gYnB8fcbLOCYsSYgw+QCwLL6vojcc2N UNFAAXVH5EQpWgu5iAX0BpCrClh6TKDLomYeQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=kSBqHTntFome8WJfSpA9RQNB/iTV0ysfzhwymF4S/oXtb3cYCHVkGskso+sv/ZV0iO nkrPTmz5twA/h2HPr1yh4PJoDcWoMmLTbDGUGt1zQi/hYPA8jyvodKswNyp+kVEHXj+E 4wtuVw/cVVSBUBbG9rb1nWFReEGz14mY/kcTg= MIME-Version: 1.0 Sender: asmrookie@gmail.com Received: by 10.231.144.201 with SMTP id a9mr2641556ibv.69.1266704379191; Sat, 20 Feb 2010 14:19:39 -0800 (PST) In-Reply-To: <179b97fb1001270941m2d8e9c8au20abc798c16b9c11@mail.gmail.com> References: <179b97fb1001270941m2d8e9c8au20abc798c16b9c11@mail.gmail.com> Date: Sat, 20 Feb 2010 23:19:39 +0100 X-Google-Sender-Auth: 5d13842cfb9ed9df Message-ID: <3bbf2fe11002201419v52b249ccg8d82c8ae747cf318@mail.gmail.com> From: Attilio Rao To: Brandon Gooch Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-fs@freebsd.org, freebsd-emulation@freebsd.org, stable-list freebsd , John Baldwin Subject: Re: ZFS and sh(1) panic: spin lock [lock addr] (smp rendezvous) held by [sh(1) proc tid] too long 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: Sat, 20 Feb 2010 22:19:40 -0000 2010/1/27 Brandon Gooch : > The machine, a Dell Optiplex 755, has been locking up recently. The > situation usually occurs while using VirtualBox (running a 64-bit > Windows 7 instance) and doing anything else in another xterm (such as > rebuilding a port). =C2=A0I've been unable to reliably reproduce it (I'm = in > an X session and the machine will not panic "properly"). > > However, while rebuilding Xorg today at ttyv0 and runnning > VBoxHeadless on ttyv1, I managed to trigger what I believe is the > lockup. > > I've attached a textdump in hopes that someone may be able to take a > look and provide clues or instruction on debugging this. I think that jhb@ saw a similar problem while working on nVidia driver or the like. Not sure if he made any progress to debug this. Attilio --=20 Peace can only be achieved by understanding - A. Einstein