Date: Fri, 21 Sep 2001 18:55:28 +0100 From: j mckitrick <jcm@FreeBSD-uk.eu.org> To: Kris Kennaway <kris@obsecurity.org> Cc: William Wong <willwong@samurai.com>, freebsd-stable@FreeBSD.ORG Subject: Re: sh MAKEDEV all Message-ID: <20010921185528.D81649@dogma.freebsd-uk.eu.org> In-Reply-To: <20010921104606.A88881@xor.obsecurity.org>; from kris@obsecurity.org on Fri, Sep 21, 2001 at 10:46:06AM -0700 References: <000501c1424d$9a1ea860$0300a8c0@anime.ca> <20010921123031.B78591@dogma.freebsd-uk.eu.org> <20010921104606.A88881@xor.obsecurity.org>
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| > It's a bug in sh, caused by CPUTYPE, that screws up handling of the devices | > in MAKEDEV. | | Not really caused by CPUTYPE - the PR was submitted long before | CPUTYPE was added. According to the PR, it's broken code in sh which | exhibits failure depending on the stack alignment and previous stack | usage. Certain gcc optimizations enabled by some values of CPUTYPE | have (for some reason) recently started triggering this code bug. You've given me incentive to buy the 'dragon' book of compiler design. :-) jm -- My other computer is your windows box. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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