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Date: Fri, 19 Oct 2007 12:45:36 -0600 From: "Charles R Harris" <charlesr.harris@...il.com> To: linux-kernel@...r.kernel.org Subject: Re: [PATCH] i386: fix TSC clock source calibration error On Tue, 2007-10-16 at 10:50 -0400, Dave Johnson wrote: > > range of tsc_khz # of boots % of boots > ----------------- ---------- ---------- > < 1999750 0 0.000% > 1999750 - 1999800 21 3.048% > 1999800 - 1999850 166 24.128% > 1999850 - 1999900 241 35.029% > 1999900 - 1999950 211 30.669% > 1999950 - 2000000 42 6.105% > 2000000 - 2000000 0 0.000% > 2000050 - 2000100 0 0.000% > [...] > 2000100 - 2015000 1 0.145% << BAD > 2015000 - 2030000 6 0.872% << BAD > 2030000 - 2045000 1 0.145% << BAD > 2045000 < 0 0.000% > > The worst boot was 2032.577 Mhz, over 1.5% off! This may be related to bug https://bugzilla.redhat.com/show_bug.cgi?id=270321 at Redhat bugzilla. It has been easily reproducible on my machine. Chuck - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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