Date: Tue, 17 Sep 2002 12:40:04 -0700 (PDT) From: Bruce Evans <bde@zeta.org.au> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/42875: gettimeofday super rarely returns an impossible tv_usec value Message-ID: <200209171940.g8HJe4VY056474@freefall.freebsd.org>
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The following reply was made to PR kern/42875; it has been noted by GNATS. From: Bruce Evans <bde@zeta.org.au> To: Karl Lehenbauer <karl@habitat.procplace.com> Cc: FreeBSD-gnats-submit@FreeBSD.ORG Subject: Re: kern/42875: gettimeofday super rarely returns an impossible tv_usec value Date: Wed, 18 Sep 2002 05:46:34 +1000 (EST) On 17 Sep 2002, Karl Lehenbauer wrote: > >Release: FreeBSD 4.6-STABLE i386 > > >Description: > Maybe one in thirty million times, gettimeofday will return > an invalid tv_usec value (microseconds). It should ALWAYS > be between 0 and 999999, but it is occasionally a very large > negative number. Does this really happen in 4.6R? It should have been fixed between 4.5R and 4.6R by: % RCS file: /home/ncvs/src/sys/kern/kern_clock.c,v % Working file: kern_clock.c % head: 1.141 % ... % ---------------------------- % revision 1.105.2.7 % date: 2002/02/05 18:50:07; author: phk; state: Exp; lines: +3 -3 % MFC: make timecounters more rubust for large deltas from hardware. % ---------------------------- Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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