Date: Tue, 3 Nov 1998 12:40:55 -0500 (EST) From: Alfred Perlstein <bright@hotjobs.com> To: Marius Bendiksen <Marius.Bendiksen@scancall.no> Cc: hackers@FreeBSD.ORG Subject: Re: df hangs on 2.2.6-BETA Message-ID: <Pine.BSF.4.05.9811031235150.10124-100000@porkfriedrice.ny.genx.net> In-Reply-To: <3.0.5.32.19981103180944.0096b210@mail.scancall.no>
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On Tue, 3 Nov 1998, Marius Bendiksen wrote: > > I was thinking more along the lines of a generic mechanism for killing > *any* part of the system which has gotten hung up on something. I'm only aware of this becoming a problem in two areas: 1) NFS without intr 2) the stupid ATAPI driver (it doesn't do a real reset and hangs processes) Some places might be changed to allow this, but other places it just can't without major design changes. Sometimes waiting for a resource is a good thing. Generally a lot of provisions are made to make sure kill -9 works in all cases, perhaps with a small delay for entry/exit into the kernel. What process specifically hangs for you? only df? is it the NFS issue? you can also configure NFS to pass back an error on a certain timeout of waiting. however this causes problems when coders don't expect what they think are "local" files to return such errors on access. > .oO[¨ Marius Bendiksen ¨]Oo. > Dead girls don't say no. > I hope that's some sort of literary referance. yuk. Alfred Perlstein - Programmer, HotJobs Inc. - www.hotjobs.com -- There are operating systems, and then there's FreeBSD. -- http://www.freebsd.org/ 3.0-current To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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