Date: Mon, 30 Nov 1998 09:35:37 +0100 From: "Alexander N. Kabaev" <kan@sti.cz> To: current@FreeBSD.ORG Subject: Re: kern_clock.c (was: video mode switching has gone south) Message-ID: <366258D8.FEB15254@sti.cz> References: <199811300431.PAA20359@godzilla.zeta.org.au>
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I am experiencing this problem on a Pentium II 350MHz box running FreeBSD-current as of November 25th. Applying proposed patch solved the problem. Bruce Evans wrote: > >> My system is running a Cyrix 686MX PR266, so this doesn't seem to be > >> limited to the AMD processors. > > > >Well, it affects my laptop also (Intel Pentium 200MHz MMX). I do > >not run xntpd, but I am running the kernel at HZ=1000. > > Increasing HZ certainly amplifies the old bug. The timecounters will > cycle every NTIMECOUNTER/hz seconds, and problems occur if handling a > bunch of interrupts (or one heavweight interrupt) ever takes longer > than this. You need to increase NTIMECOUNTER to 10 times what would > work for HZ=100. > > Bruce > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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