Date: Mon, 13 Jan 2003 19:03:02 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: Nate Lawson <nate@root.org> Cc: Sean Kelly <smkelly@zombie.org>, <current@FreeBSD.ORG> Subject: Re: fdisk issues? Message-ID: <20030113185731.V11356-100000@gamplex.bde.org> In-Reply-To: <20030113181713.O11356-100000@gamplex.bde.org>
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On Mon, 13 Jan 2003, Bruce Evans wrote: > On Sun, 12 Jan 2003, Nate Lawson wrote: > > > On Sun, 12 Jan 2003, Sean Kelly wrote: > > > edgemaster# fdisk ad1 > > > Floating exception (core dumped) > ... > > The more important question > > is "who in the kernel is setting these to 0?" as that part needs work too. > > Well, fdisk itself sets these to 0. The ioctls to get the number of > heads and sectors may fail because they are unimplemented, and then > the sloppy error handling in the code quoted above bites. It divides > if the DIOCGMEDIASIZE ioctl succeeded, but a divisor is 0 if the earlier > head or sector ioctl failed. The head and/or sector counts are only > statically initialized to 0 in this case, since the fallback which set > them to 1 was axed. This explains Sean's case. He was not using GEOM (see his original mail). Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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