Date: Wed, 21 Jan 2009 12:30:26 -0800 From: Jeffrey Williams <jeff@sailorfej.net> To: Maxim Khitrov <mkhitrov@gmail.com>, dimitry@andric.com, mike@jellydonut.org Cc: freebsd-stable@freebsd.org Subject: Re: FreeBSD 7, runaway clock as guest OS on Microsoft Virtual Server Message-ID: <497785E2.5040007@sailorfej.net> In-Reply-To: <26ddd1750901211209k83250d7re8bb82dc2965ccd0@mail.gmail.com> References: <49777A7E.30904@sailorfej.net> <26ddd1750901211209k83250d7re8bb82dc2965ccd0@mail.gmail.com>
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Hi Guys, Thanks for kern.hz suggestion, but according loader.conf in the /boot/defaults directory, kern.hz is already set to 100, is this overridden somewhere else? Thanks, Jeff Maxim Khitrov wrote: > On Wed, Jan 21, 2009 at 2:41 PM, Jeffrey Williams <jeff@sailorfej.net> wrote: > >> Hi Folks, >> >> I am trying to run FreeBSD 7 on Microsoft Virtual Server 2005 R2, Windows >> Server 2003, on a Dell 2950. >> >> I am having a problem with the system clock running excessively fast, I >> initially tried installing 7.1 release but received a nearly continuous >> stream of the "calcru: runtime went backward errors", I tried rolling back >> to 7.0, and it improved somewhat, but I still received regular "calcru" >> errors, and it the system clock was running to fast for ntpd to keep up with >> it, I set sysctl kern.timecounter.hardware to i8254 (it tries to default to >> ACPI-safe), which helped more, ntpd is now able to keep pace with it, but >> only barely, and I haven't seen any "calcru" errors yet. >> >> From the boot time dmesg, on the CPU line, the frequency reported with in >> the parenthesizes varies on almost every reboot. >> >> Are there any other adjustments I can make to get this under control? >> > > Have you tried reducing the value of kern.hz (kern.hz="100" in > /boot/loader.conf)? That fixes some clock-related problems on VMWare > Server. > > - Max > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > >
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