From owner-freebsd-stable@FreeBSD.ORG  Wed Nov 19 09:43:41 2014
Return-Path: <owner-freebsd-stable@FreeBSD.ORG>
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 E07B339D;
 Wed, 19 Nov 2014 09:43:41 +0000 (UTC)
Received: from woozle.rinet.ru (woozle.rinet.ru [195.54.192.68])
 (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 62559B3F;
 Wed, 19 Nov 2014 09:43:41 +0000 (UTC)
Received: from localhost (localhost [127.0.0.1])
 by woozle.rinet.ru (8.14.5/8.14.5) with ESMTP id sAJ9dB9S017713;
 Wed, 19 Nov 2014 12:40:11 +0300 (MSK) (envelope-from marck@rinet.ru)
Date: Wed, 19 Nov 2014 12:39:11 +0300 (MSK)
From: Dmitry Morozovsky <marck@rinet.ru>
To: "K. Macy" <kmacy@freebsd.org>
Subject: Re: ZFS panic: [Re: stable/10 panic under disk load]
In-Reply-To: <CAHM0Q_NQnEO0JxzcOys09Yyz6545AoCT6Hgv7Qyzfq5CZJt4=w@mail.gmail.com>
Message-ID: <alpine.BSF.2.00.1411191236000.2113@woozle.rinet.ru>
References: <alpine.BSF.2.00.1411181913110.2113@woozle.rinet.ru>
 <alpine.BSF.2.00.1411181950450.2113@woozle.rinet.ru>
 <-7425247475772590723@unknownmsgid>
 <alpine.BSF.2.00.1411182057140.2113@woozle.rinet.ru>
 <CAHM0Q_NQnEO0JxzcOys09Yyz6545AoCT6Hgv7Qyzfq5CZJt4=w@mail.gmail.com>
User-Agent: Alpine 2.00 (BSF 1167 2008-08-23)
X-NCC-RegID: ru.rinet
X-OpenPGP-Key-ID: 6B691B03
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3
 (woozle.rinet.ru [0.0.0.0]); Wed, 19 Nov 2014 12:40:11 +0300 (MSK)
Cc: "stable@freebsd.org" <stable@freebsd.org>,
 Steven Hartland <steven@multiplay.co.uk>, "smh@freebsd.org" <smh@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 <freebsd-stable.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-stable/>
List-Post: <mailto:freebsd-stable@freebsd.org>
List-Help: <mailto:freebsd-stable-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-stable>,
 <mailto:freebsd-stable-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 19 Nov 2014 09:43:42 -0000

On Tue, 18 Nov 2014, K. Macy wrote:

> >> Can u plug a usb drive in to get a dump?
> >
> > Hm, will it work over USB stack? I can try this.
> >
> > BTW: it seems some internal ZFS locking trouble exists, as trere are 3 cases:
> >
> > pool/R/fs1 mounted as /fs1
> > pool/R/fs2
> > pool/R/fs3
> >
> > tar cf - /fs1 >/dev/null works ok
> > tar cf - /fs2 >/dev/null works ok
> > rsync -avHP /fs1/ /fs2/ panics in few minutes
> >
> > will try to configure dump to USB SATA
> >
> 
> Are you using extended attributes at all?

As far as I can tell, no -- unless they are created by restore(8). 

[snip]

-- 
Sincerely,
D.Marck                                     [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer:                                 marck@FreeBSD.org ]
------------------------------------------------------------------------
*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
------------------------------------------------------------------------