| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1192740214.17527.185.camel@imap.mvista.com> Date: Thu, 18 Oct 2007 13:43:34 -0700 From: Daniel Walker <dwalker@...sta.com> To: Dave Johnson <djohnson+linux-kernel@...starentnetworks.com> Cc: 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! Can you tell us what type of machine this was? I've seen complaints where the SMI's can cause some other funny stuff with calibration , be no one can every reproduce anything.. Daniel - 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/
Powered by blists - more mailing lists