Date: Fri, 18 Apr 2008 16:51:50 +0300 From: Pertti Kosunen <pertti.kosunen@pp.nic.fi> To: freebsd-stable@freebsd.org Subject: Re: calcru: time went backwards Message-ID: <4808A776.60503@pp.nic.fi> In-Reply-To: <20080415225159.R54132@thebighonker.lerctr.org> References: <00df01c89ef8$9733c6d0$c59b5470$@org> <20080415141138.GA33154@mail.scottro.net> <20080415142034.GA80792@eos.sc1.parodius.com> <20080415225159.R54132@thebighonker.lerctr.org>
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Larry Rosenman wrote: > On Tue, 15 Apr 2008, Jeremy Chadwick wrote: >> And what the FAQ doesn't cover is here: >> >> http://wiki.freebsd.org/JeremyChadwick/Commonly_reported_issues >> >> * EIST (Intel SpeedStep) incompatibilities with Supermicro PDSMI+ >> motherboards (and possibly others) >> * Symptom: kernel outputs messages like kernel: calcru: negative >> runtime of -XXXXX usec for pid XX >> * Workaround: Disable the EIST feature in the BIOS. You can still >> achieve ACPI-based processor >> frequency throttling by using powerd(8). >> * Reference: >> http://lists.freebsd.org/pipermail/freebsd-questions/2006-October/133253.html >> > What I find interesting is I hadn't seen these until this kernel update :( Same problem here with Tyan Toledo i3000R (S5191) motherboard if cpufreq module is loaded. 7.0-RELEASE (AMD64) didn't have this problem.
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