From owner-freebsd-fs@FreeBSD.ORG Tue Jun 3 20:38:31 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 82DC2B50 for ; Tue, 3 Jun 2014 20:38:31 +0000 (UTC) Received: from nm4-vm6.bullet.mail.ne1.yahoo.com (nm4-vm6.bullet.mail.ne1.yahoo.com [98.138.91.97]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 443752838 for ; Tue, 3 Jun 2014 20:38:30 +0000 (UTC) Received: from [98.138.100.103] by nm4.bullet.mail.ne1.yahoo.com with NNFMP; 03 Jun 2014 20:38:24 -0000 Received: from [98.138.226.169] by tm102.bullet.mail.ne1.yahoo.com with NNFMP; 03 Jun 2014 20:38:24 -0000 Received: from [127.0.0.1] by omp1070.mail.ne1.yahoo.com with NNFMP; 03 Jun 2014 20:38:24 -0000 X-Yahoo-Newman-Property: ymail-3 X-Yahoo-Newman-Id: 346345.31495.bm@omp1070.mail.ne1.yahoo.com Received: (qmail 73809 invoked by uid 60001); 3 Jun 2014 20:38:24 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1401827904; bh=/lnzMMicFkHMd/NvFd2KWAIjLOCBW6t6pISAdlyvARo=; h=References:Message-ID:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=jBQpjSWg7SOg20fzAe4UOZEhfr0c1R/O2T86Ts3xVrq2+nUfKajTiQerekZayBfE6/U0U0IlMHOZwXGbpZnOH3otaPV9jZMqEo/wSPIiQDysYcvsIXojeFULI4y8Am88+BxjRg8myYxznFgLiqnHEEkDzZXoY7DJwqCUUNg+X9E= X-YMail-OSG: 0qLhtJAVM1ngNkQlVl3YwY3cUdlX8gfIcfHqgAA4iTef71H FV59uYKTW6nLjSgnPBjfFsCIi3nuKx5GMe_yP3BNATxnIJpUddOhWnPuaWQC y0clqkjzNvo7AhUvZv9CkgstyILftv0Mi0Qp1dWEP6zK1ZnlZ61ty27L7XMd 9A6FLrKljdO3EatvkjYhub191Z11Y_dke9z8rSBJlcge9zRruzjBTiV8uiBZ bau.u.iEFbWtigraUfa6cSo8sJgnhK1SWdoybIHUGX36J5J5f28jhHC55w8W y7TOjNoUhO9O0JDH5mfaoE78aK2Mpo7o37SFosmnluXX1nsntrCWBfP3hF1u c41RxBFJ5O6DJiNDi5gPNiXONc2vAKG4FCvRSxIl4A6PCWROw1Vxc2np_HkM s0IPl6iTnote0qagkiBnfTOXijTir8S4yWfEraSAVWR_GwuZ5wRfJm5p4rs0 Z5JuM0cZ.XhcGRRYFVbOEQi.yAU3eHlSKlb1ZQvznIp4LOi.mnE4fN_yFMiU WWDjw69eNv3Txc2nS.8toji9Vp2np.OxjD_cJ5eqrODy6z0MhvJ4uN9I- Received: from [72.83.146.103] by web121106.mail.ne1.yahoo.com via HTTP; Tue, 03 Jun 2014 13:38:24 PDT X-Rocket-MIMEInfo: 002.001, TWFyaywKCkkgd2FzIGxvb2tpbmcgYXQgdGhlIHRpbWVmcmFtZXMgdGhhdCB0aGUgY29yZSBkdW1wcyBvY2N1cnJlZCBhbmQgYXJvdW5kIHRoYXQgdGltZSB3ZSB3ZXJlIGRvaW5nIHNvbWUgemZzIHNlbmRzIHRvIHJlcGxpY2F0ZSBzb21lIGRhdGEgb24gdGhlcmUuwqAgU28gZWl0aGVyIHRoZSBzbmFwc2hvdCBjcmVhdGlvbiwgemZzIHNlbmQsIG9yIHNuYXBzaG90IGRlbGV0aW9uIG1heSBoYXZlIHRyaWdnZXJlZCB0aGUgYnVnLgoKSmltCgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCiBGcm8BMAEBAQE- X-Mailer: YahooMailWebService/0.8.188.663 References: <1401814138.84520.YahooMailNeo@web121106.mail.ne1.yahoo.com> Message-ID: <1401827904.21523.YahooMailNeo@web121106.mail.ne1.yahoo.com> Date: Tue, 3 Jun 2014 13:38:24 -0700 (PDT) From: Jim Barker Reply-To: Jim Barker Subject: Re: Solaris 10 zfs bug To: Mark Felder In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.18 Cc: "freebsd-fs@freebsd.org" , "owner-freebsd-fs@freebsd.org" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Jun 2014 20:38:31 -0000 Mark,=0A=0AI was looking at the timeframes that the core dumps occurred and= around that time we were doing some zfs sends to replicate some data on th= ere.=A0 So either the snapshot creation, zfs send, or snapshot deletion may= have triggered the bug.=0A=0AJim=0A=0A=0A=0A______________________________= __=0A From: Mark Felder =0ATo: Jim Barker =0ACc: freebsd-fs@freebsd.org; owner-freebsd-fs@freebsd.org =0ASent:= Tuesday, June 3, 2014 1:07 PM=0ASubject: Re: Solaris 10 zfs bug=0A =0A=0AO= n 2014-06-03 11:48, Jim Barker wrote:=0A=0A> FYI:=0A> =0A> I encountered a = bug in Solaris 10 that may also be present in the code=0A> that FreeBSD for= ked some time ago.=A0 This is the forum entry I put up=0A> in case it's rel= evant.=0A> =0A> https://forums.freebsd.org/viewtopic.php?f=3D48&t=3D46716&p= =3D261143#p261143=0A> =0A> =0A=0ADo you have any details on how to reproduc= e the panic? That would permit =0Athe developers to find the bug in the Fre= eBSD port of ZFS and fix it. From owner-freebsd-fs@FreeBSD.ORG Tue Jun 3 22:17:17 2014 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id BFC96364; Tue, 3 Jun 2014 22:17:17 +0000 (UTC) Received: from mail.feld.me (mail.feld.me [66.170.3.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.feld.me", Issuer "Gandi Standard SSL CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 414BC2177; Tue, 3 Jun 2014 22:17:16 +0000 (UTC) Received: from mail.feld.me (mail.feld.me [66.170.3.6]); by mail.feld.me (OpenSMTPD) with ESMTP id 4e3d3317; Tue, 3 Jun 2014 17:17:13 -0500 (CDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=feld.me; h=content-type :mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:sender; s= blargle2; bh=KRVx7zFqLflLvZbekt4u5LT4Grw=; b=wqSrA6+4BZhaBe8J2kF SBI8flRA3L+e7tGQxdKFj3yqJIilMzUVwTjG4hGOfPgnRaoGZAVlDg0cgz66sT6g 44cV2/buAJjq6P+9dMEahmPlK5eCLaHZrvjl08Y3zSsAg2KfBQ0HbFhuMPof9gQe 6xiDlhaCCb1vyIXBlkYJzDKZoZ4r3DVwYV5D1DC7cmK0/r8ZwdEGM69z7jI11ac8 qZfU13Cs78dqnMojN/fxRZUAVRnMvEmLSRp/AxQqnulmbr4ntZqKVC+FIZcGRKVI goCLiyVNOMr/zhmin9co18Kxa3INYxHygTNMlZxSWdAp9bqWRaiMliGK9TBTT/cB HtA== DomainKey-Signature: a=rsa-sha1; c=nofws; d=feld.me; h=content-type :mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:sender; q= dns; s=blargle2; b=vMVcZZmnQOqeiIrfv8OE1EJLR6ksKCna3ZRdMRFQyws1p kb0eAtt+MxVuzbycLdpofzAyyM4ybw3NEhPlvHiGtA3jtQPfG2TIsRjlQpMqZgTI j4PtY3Gi73E9tUKvgiaCDrSiMnoFlB3h+gP2+zfEGCx6QINrb2f3majnqGUrmpUo oF91AUKsrHPZZBBYvaGFqHuGI3lehr2nqQpZL3CcWtJ2p/IuIB4f7n1qRx2KgDqF J1YR9n30GbukZgJ3T05dAEPsedB1v9BJjebBHpsllkBwJAXqb8DEzbRUdD5QY/ZC 8NH6ZgSaPY9hOUIZuJiqHzWN20e9aeJ9FEH+sUUHg== Received: from mail.feld.me (mail.feld.me [66.170.3.6]); by mail.feld.me (OpenSMTPD) with ESMTP id 97855967; Tue, 3 Jun 2014 17:17:13 -0500 (CDT) Received: from feld@feld.me by mail.feld.me (Archiveopteryx 3.2.0) with esmtpa id 1401833832-3794-3791/5/4; Tue, 3 Jun 2014 22:17:12 +0000 Content-Type: text/plain; charset=iso-8859-1 Mime-Version: 1.0 Subject: Re: Solaris 10 zfs bug From: Mark Felder In-Reply-To: <1401827904.21523.YahooMailNeo@web121106.mail.ne1.yahoo.com> Date: Tue, 3 Jun 2014 17:17:10 -0500 Content-Transfer-Encoding: quoted-printable Message-Id: <10589F87-04C8-4DD9-A8F3-F2DAB89D0641@FreeBSD.org> References: <1401814138.84520.YahooMailNeo@web121106.mail.ne1.yahoo.com> <1401827904.21523.YahooMailNeo@web121106.mail.ne1.yahoo.com> To: Jim Barker X-Mailer: Apple Mail (2.1878.2) Sender: feld@feld.me Cc: freebsd-fs@freebsd.org, owner-freebsd-fs@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Jun 2014 22:17:17 -0000 On Jun 3, 2014, at 15:38, Jim Barker wrote: > Mark, >=20 > I was looking at the timeframes that the core dumps occurred and = around that time we were doing some zfs sends to replicate some data on = there. So either the snapshot creation, zfs send, or snapshot deletion = may have triggered the bug. >=20 I personally do quite a few snapshots and zfs send every 15 minutes on a = 9.x server and haven't seen this yet. I'd have figured iXSystems would = have hit it while doing QA on their TrueNAS product as well if it was as = simple as doing a large amount of send/recv testing. However, it's good = to have this documented publicly in case someone does come across a = similar issue. Perhaps it could be related to zfs attributes on a = particular filesystem? (dedup, compression, etc etc) Thanks for the heads up.