Date: Wed, 6 Nov 2002 13:39:11 +0000 From: David Malone <dwmalone@maths.tcd.ie> To: Sameh Ghane <sw@anthologeek.net> Cc: freebsd-current@freebsd.org, phk@freebsd.org Subject: Re: time counter / time ticking or hardware issues Message-ID: <20021106133911.GA42972@walton.maths.tcd.ie> In-Reply-To: <20021106122631.GA93442@anthologeek.net> References: <20021106122631.GA93442@anthologeek.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Nov 06, 2002 at 01:26:31PM +0100, Sameh Ghane wrote: > Timecounter "i8254" frequency 1193182 Hz > Timecounter "TSC" frequency 332755591 Hz > CPU: AMD-K6(tm) 3D processor (332.76-MHz 586-class CPU) > Origin = "AuthenticAMD" Id = 0x58c Stepping = 12 > Features=0x8021bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,PGE,MMX> > AMD Features=0xffffffff80000800<SYSCALL,3DNow!> There seem to be a family of K6 motherboards on which the ACPI timecounter runs fast by a factor of about two. I've been seeing this since ACPI became the default on one motherboard. I get around it by using the TSC instead: sysctl kern.timecounter.hardware=TSC David. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20021106133911.GA42972>