From owner-freebsd-stable@FreeBSD.ORG Wed Feb 25 17:24:48 2015 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B6156AC1 for ; Wed, 25 Feb 2015 17:24:48 +0000 (UTC) Received: from gold.funkthat.com (gate2.funkthat.com [208.87.223.18]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "gold.funkthat.com", Issuer "gold.funkthat.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 6FD83970 for ; Wed, 25 Feb 2015 17:24:48 +0000 (UTC) Received: from gold.funkthat.com (localhost [127.0.0.1]) by gold.funkthat.com (8.14.5/8.14.5) with ESMTP id t1PHOiUk013964 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 25 Feb 2015 09:24:44 -0800 (PST) (envelope-from jmg@gold.funkthat.com) Received: (from jmg@localhost) by gold.funkthat.com (8.14.5/8.14.5/Submit) id t1PHOh0d013963; Wed, 25 Feb 2015 09:24:43 -0800 (PST) (envelope-from jmg) Date: Wed, 25 Feb 2015 09:24:43 -0800 From: John-Mark Gurney To: Willem Jan Withagen Subject: Re: Unexpected crash Message-ID: <20150225172443.GB46794@funkthat.com> References: <54EB1528.2050409@digiware.nl> <20150225004346.GV46794@funkthat.com> <54ED8DB5.3010501@digiware.nl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <54ED8DB5.3010501@digiware.nl> X-Operating-System: FreeBSD 9.1-PRERELEASE amd64 X-PGP-Fingerprint: 54BA 873B 6515 3F10 9E88 9322 9CB1 8F74 6D3F A396 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html X-TipJar: bitcoin:13Qmb6AeTgQecazTWph4XasEsP7nGRbAPE X-to-the-FBI-CIA-and-NSA: HI! HOW YA DOIN? can i haz chizburger? User-Agent: Mutt/1.5.21 (2010-09-15) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (gold.funkthat.com [127.0.0.1]); Wed, 25 Feb 2015 09:24:44 -0800 (PST) Cc: "stable@freebsd.org" X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Feb 2015 17:24:48 -0000 Willem Jan Withagen wrote this message on Wed, Feb 25, 2015 at 09:54 +0100: > On 25-2-2015 01:43, John-Mark Gurney wrote: > > Willem Jan Withagen wrote this message on Mon, Feb 23, 2015 at 12:55 +0100: > >> Came home last night to find out that my ZFS fileserver has rebooted.... > >> > >> Dmesg is loaded with sonewconn messages.... > >> And after a while the system thinks it is enough... > >> --- > >> Panic String: deadlkres: possible deadlock detected for > >> 0xfffff800133f9000, blocked for 1800789 ticks > >> ---- > > > > [...] > > > >> FreeBSD 10.1-STABLE #101 r276583: Sat Jan 3 06:51:10 CET 2015 > >> root@zfs.digiware.nl:/home/obj/amd64/usr/srcs/src10/src/sys/ZFS amd64 > >> FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512 > > > > Upgrade your kernel: > > https://svnweb.freebsd.org/base?view=revision&revision=278800 > > > > This change will probably fix your panic... > > Thanx for the info. I upgraded after last Monday when I saw the crash: > 10.1-STABLE FreeBSD 10.1-STABLE #152 r279218: Tue Feb 24 01:07:14 > So that is well beyond you revision. I have not seen the messages after > that. Good to hear... > Just out of curiosity: > Is this in the aftermath of the big debate about the callout restructuring? Kinda... HPS posted a patch to fix the bug, but then rrs investigated it and found this simplier fix which is now in the tree... I believe there is still ongoing discussion moving forward w/ other aspects of it.. You should read the email archives for the full story.. I am leaving things out, I didn't follow the thread very closely... -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."