Date: 08 Apr 2005 10:32:58 -0400 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: dick@nagual.st Cc: freebsd-questions@freebsd.org Subject: Re: rtc question Message-ID: <44ekdl8hk5.fsf@be-well.ilk.org> In-Reply-To: <20050407120148.1904bcae.dick@nagual.st> References: <20050407120148.1904bcae.dick@nagual.st>
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dick hoogendijk <dick@nagual.st> writes: > I decided to remove polling and hz=1200 from my kernel. The system was > slower. Things run pretty smooth now (duron-800/512Mb) with the default > HZ=100, /but/ : > > Now vmware3 is complaining about the rtc : timing error, please > increase... > The virtual machine itself runs just fine. If it does no harm I want to > stick to the HZ=100. What does this rtc message mean and what are the > consequenses? An unstable system? Depends what you mean by "unstable". The symptom I would most expect would be the virtual machine seeing some variation in real-time clock rate. In your position, I would try some intermediate values for HZ, and see what happens. In particular, 1000 is the usual recommended value for faster systems, and 200 or 400 might well be okay.
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