Date: Thu, 03 Sep 1998 11:41:57 +0000 From: Mike Smith <mike@smith.net.au> To: Simon Marlow <simonm@dcs.gla.ac.uk> Cc: freebsd-current@FreeBSD.ORG Subject: Re: calcru: negative time... Message-ID: <199809031141.LAA00537@dingo.cdrom.com> In-Reply-To: Your message of "03 Sep 1998 10:25:50 %2B0100." <t6iuj57dk1.fsf@solander.dcs.gla.ac.uk>
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>
> I'm having real trouble making world on my laptop (a Toshiba 460CDT)
> due to this "calcru: negative time" thing.
>
> The murmurings were that it probably had something to do with APM,
> which explains why it's only happening on my laptop. 'apmconf -d' had
> no effect.
>
> This is fairly repeatable - some short time after starting a 'make
> world' something will die, usually 'make'. I can help out with
> diagnosing the problem if necessary.
What would really help would be if you were to add some code to the
[get]{micro|nano}time functions in kern/kern_clock.c to remember the
last time they handed out, and panic or otherwise complain if they were
about to hand out a time prior to the previous one.
The problems *seem* to be related to time going backwards, but our
fearless timekeeper refuses to speculate.
--
\\ Sometimes you're ahead, \\ Mike Smith
\\ sometimes you're behind. \\ mike@smith.net.au
\\ The race is long, and in the \\ msmith@freebsd.org
\\ end it's only with yourself. \\ msmith@cdrom.com
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