From owner-freebsd-bugs Wed Jan 19 0:43:13 2000 Delivered-To: freebsd-bugs@freebsd.org Received: from gidora.zeta.org.au (gidora.zeta.org.au [203.26.10.25]) by hub.freebsd.org (Postfix) with SMTP id D806D151B6 for ; Wed, 19 Jan 2000 00:43:08 -0800 (PST) (envelope-from bde@zeta.org.au) Received: (qmail 9664 invoked from network); 19 Jan 2000 08:43:03 -0000 Received: from bde.zeta.org.au (203.2.228.102) by gidora.zeta.org.au with SMTP; 19 Jan 2000 08:43:03 -0000 Date: Wed, 19 Jan 2000 19:42:57 +1100 (EST) From: Bruce Evans X-Sender: bde@alphplex.bde.org To: stenn@whimsy.udel.edu Cc: bde@freebsd.org, freebsd-bugs@freebsd.org Subject: Re: kern/16113: Kernel page fault panic using sysctl to change timer frequency In-Reply-To: <20051.948224090@whimsy.udel.edu> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Tue, 18 Jan 2000 stenn@whimsy.udel.edu wrote: > How about some useful information on how to avoid or detect the > situation? Don't attempt to change clocks that aren't used for timecounting. The machine-dependent clock frequencies can be compared with the timecounter frequency to determin which one is in use. There doesn't seem to be anything better than clock_getres() for determining the timecounter frequency. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message