Date: Sat, 05 Oct 2002 08:15:04 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Ian Dowse <iedowse@maths.tcd.ie> Cc: Robert Watson <rwatson@FreeBSD.ORG>, Terry Lambert <tlambert2@mindspring.com>, Emiel Kollof <coolvibe@hackerheaven.org>, Peter Wemm <peter@wemm.org>, n0go013 <ttz@blahdeblah.demon.co.uk>, current <freebsd-current@FreeBSD.ORG> Subject: Re: [ GEOM tests ] disklabel warnings and vinum drives lost Message-ID: <81130.1033798504@critter.freebsd.dk> In-Reply-To: Your message of "Sat, 05 Oct 2002 03:10:12 BST." <200210050310.ab54012@salmon.maths.tcd.ie>
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In message <200210050310.ab54012@salmon.maths.tcd.ie>, Ian Dowse writes: >In message <Pine.NEB.3.96L.1021004200338.70577U-100000@fledge.watson.org>, Robe >rt Watson writes: >>However, here's a patch that makes Vinum use namei() to rely on devfs to >>locate requested devices instead of parsing the device name and guessing >>the device number (incorrectly with GEOM). Unfortunately, I almost >>immediately run into a divide by zero due to a zero sector size. Jeff >>Roberson mentioned to me he had a fix for this bug that he sent to Greg, >>but that was never committed. > >The divide by zero problem seems to be caused by an interaction >between two bugs: Make that _three_ bugs: vinum opens devices directly at the cdevsw level, bypassing in the process the vnodes and specfs. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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