From owner-freebsd-stable Sun Oct 22 13: 7: 1 2000 Delivered-To: freebsd-stable@freebsd.org Received: from gypsy.vrac.iastate.edu (gypsy.vrac.iastate.edu [129.186.232.122]) by hub.freebsd.org (Postfix) with ESMTP id 60C7E37B4C5 for ; Sun, 22 Oct 2000 13:06:59 -0700 (PDT) Received: from tomservo.vrac.iastate.edu (tomservo.vrac.iastate.edu [129.186.232.121]) by gypsy.vrac.iastate.edu (Postfix) with ESMTP id E465CA; Sun, 22 Oct 2000 15:06:58 -0500 (CDT) Received: from tomservo.vrac.iastate.edu (localhost [127.0.0.1]) by tomservo.vrac.iastate.edu (Postfix) with ESMTP id 498E45E02; Sun, 22 Oct 2000 15:06:44 -0500 (CDT) To: Chris Faulhaber Cc: freebsd-stable@freebsd.org Subject: Re: System clock out of control In-reply-to: "Sun, 22 Oct 2000 16:00:06 EDT." <20001022160006.A86218@peitho.fxp.org> Date: Sun, 22 Oct 2000 15:06:44 -0500 From: Patrick Hartling Message-Id: <20001022200644.498E45E02@tomservo.vrac.iastate.edu> Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Chris Faulhaber wrote: } On Sun, Oct 22, 2000 at 11:17:53AM -0500, Patrick Hartling wrote: } > Last weekend, I installed FreeBSD 4.1.1 on a machine loaned to me by a } > friend. It's got a Cyrix MediaGX in it which is something I've not dealt } > with before. After getting 4.1.1 installed, I promptly cvsup'd the } > 4-STABLE sources for October 14, rebuilt and installed a custom kernel. } > Since doing that, the system clock has been ticking off about 10 seconds } > for each real second which is certainly undesirable. The GENERIC kernel } > for 4.1.1 and October 14 work just fine, however. I've been making } > custom kernels since 2.1.5, and I have never seen anything like this before *** . } > This machine was replacing one that was already running 4-STABLE from late } > August, and I based the custom kernel for this replacement machine on the } > older one. } > } } *snip* } } > FreeBSD 4.1.1-STABLE #0: Sun Oct 22 03:19:44 CDT 2000 } > root@gypsy.vrac.iastate.edu:/usr/src/sys/compile/GENERIC } > Timecounter "i8254" frequency 1193182 Hz } > CPU: Cyrix GXm (19.73-MHz 586-class CPU) } > Origin = "CyrixInstead" Id = 0x540 DIR=0x6246 Stepping=6 Revision=2 } } I don't know what is causing it, but I bet your time problems have to do } with FreeBSD seeing a processor speed of 19.73-MHz. I agree. I have been trying to figure out where this number is coming from. It should be 233 MHz. What I have noticed is that it varies between about 18 and 20 with each boot. -Patrick Patrick L. Hartling | Research Assistant, VRAC patrick@137.org | 2624 Howe Hall -- (515)294-4916 http://www.137.org/patrick/ | http://www.vrac.iastate.edu/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message