Date: Sat, 1 Dec 2007 03:37:50 -0800 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Johan =?iso-8859-1?Q?Str=F6m?= <johan@headweb.com> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org, freebsd-stable@freebsd.org Subject: Re: scrambled (gmirror) dmesg output Message-ID: <20071201113750.GA81186@eos.sc1.parodius.com> In-Reply-To: <66A69F9D-E4C1-4647-AEE7-E6F18010A1A3@headweb.com> References: <66A69F9D-E4C1-4647-AEE7-E6F18010A1A3@headweb.com>
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On Sat, Dec 01, 2007 at 12:16:45PM +0100, Johan Ström wrote: > Hello > Im playing with a new box running RELENG_7.0 from yesterday. I got 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 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 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, but I don't have them available quickly... -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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