From owner-freebsd-fs@FreeBSD.ORG Sun Dec 2 12:02:57 2007 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BC58716A4CF; Sun, 2 Dec 2007 12:02:57 +0000 (UTC) (envelope-from johan@headweb.com) Received: from core.stromnet.se (core.stromnet.se [83.218.84.131]) by mx1.freebsd.org (Postfix) with ESMTP id 6889713C447; Sun, 2 Dec 2007 12:02:57 +0000 (UTC) (envelope-from johan@headweb.com) Received: from localhost (core.stromnet.se [83.218.84.131]) by core.stromnet.se (Postfix) with ESMTP id 48C01D472CE; Sun, 2 Dec 2007 13:03:03 +0100 (CET) X-Virus-Scanned: amavisd-new at stromnet.se Received: from core.stromnet.se ([83.218.84.131]) by localhost (core.stromnet.se [83.218.84.131]) (amavisd-new, port 10024) with ESMTP id k2z1YjT9PCKU; Sun, 2 Dec 2007 13:03:00 +0100 (CET) Received: from [172.28.1.102] (90-224-172-102-no129.tbcn.telia.com [90.224.172.102]) by core.stromnet.se (Postfix) with ESMTP id 58B58D472CD; Sun, 2 Dec 2007 13:03:00 +0100 (CET) In-Reply-To: <20071201113750.GA81186@eos.sc1.parodius.com> References: <66A69F9D-E4C1-4647-AEE7-E6F18010A1A3@headweb.com> <20071201113750.GA81186@eos.sc1.parodius.com> Mime-Version: 1.0 (Apple Message framework v752.3) Content-Type: text/plain; charset=ISO-8859-1; delsp=yes; format=flowed Message-Id: <79720A8B-4435-4D22-90F8-B39B11AED016@headweb.com> Content-Transfer-Encoding: quoted-printable From: =?ISO-8859-1?Q?Johan_Str=F6m?= Date: Sun, 2 Dec 2007 13:02:24 +0100 To: Jeremy Chadwick X-Mailer: Apple Mail (2.752.3) Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org, freebsd-stable@freebsd.org Subject: Re: scrambled (gmirror) dmesg output X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Dec 2007 12:02:57 -0000 On Dec 1, 2007, at 12:37 , Jeremy Chadwick wrote: > On Sat, Dec 01, 2007 at 12:16:45PM +0100, Johan Str=F6m wrote: >> Hello >> Im playing with a new box running RELENG_7.0 from yesterday. I got =20= >> two >> discs with gmirror on ad[6|14]s1a and zfs-mirror on s1d. When o do >> atacontrol detach ata7 (detach ad14), i get this in dmesG: >> >> (first time) >> subdisk14: detached >> ad14: detached >> GEOM_MIRROR: Device gm1b: provider ad14s1bG =20 >> dEiOsMc_oMnInReRcOtRe:d .De >> vice gm1: provider ad14s1a disconnected. >> >> (second time, detaching again after reattach) >> subdisk14: detached >> ad14: detached >> GEOMG_EMOIMR_RMOIRR:R ORD:e viDceev icgem 1bg:m 1p:r opvriodveird era >> d1a4ds114bs 1dai sdciosncnoencnteecdt.ed. >> >> huh? :) Some print raceing or something? > > The problem isn't specific to GEOM or ZFS. It's a known issue with =20= > two > kernel printf()s being called simultaneously. There are older threads > discussing the issue. I can dig up URLs if you want to read them, =20 > but I > don't have them available quickly... Just what I thought then. Just have never seen it 6.x (where I use =20 gmirror) so I was a bit curious. Btw, zfs doesnt seem to be very "chatty" in dmesg? Ie loosing discs, =20 starting to rebuild discs etc... Isnt that something one would want =20 in logs? Thanks! > > --=20 > | Jeremy Chadwick jdc at =20 > parodius.com | > | Parodius Networking http://=20 > www.parodius.com/ | > | UNIX Systems Administrator Mountain View, =20 > CA, USA | > | Making life hard for others since 1977. PGP: =20 > 4BD6C0CB | >