Date: Tue, 15 Apr 2008 22:52:32 -0500 (CDT) From: Larry Rosenman <ler@lerctr.org> To: Jeremy Chadwick <koitsu@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: calcru: time went backwards Message-ID: <20080415225159.R54132@thebighonker.lerctr.org> In-Reply-To: <20080415142034.GA80792@eos.sc1.parodius.com> References: <00df01c89ef8$9733c6d0$c59b5470$@org> <20080415141138.GA33154@mail.scottro.net> <20080415142034.GA80792@eos.sc1.parodius.com>
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On Tue, 15 Apr 2008, Jeremy Chadwick wrote: > On Tue, Apr 15, 2008 at 10:11:38AM -0400, Scott Robbins wrote: >> On Tue, Apr 15, 2008 at 07:59:40AM -0500, Larry Rosenman wrote: >>> I thought this was gone, but on a kernel from Saturday I'm seeing a bunch of >>> these: >> >> This one is covered in the FAQ in the troubleshooting section, 5.19. > > 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 :( Thanks for the info, however. -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 512-248-2683 E-Mail: ler@lerctr.org US Mail: 430 Valona Loop, Round Rock, TX 78681-3893
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