From owner-freebsd-bugs Wed Apr 2 08:13:33 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id IAA07245 for bugs-outgoing; Wed, 2 Apr 1997 08:13:33 -0800 (PST) Received: from rocky.mt.sri.com (rocky.mt.sri.com [206.127.76.100]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id IAA07240 for ; Wed, 2 Apr 1997 08:13:29 -0800 (PST) Received: (from nate@localhost) by rocky.mt.sri.com (8.7.5/8.7.3) id JAA13732; Wed, 2 Apr 1997 09:13:17 -0700 (MST) Date: Wed, 2 Apr 1997 09:13:17 -0700 (MST) Message-Id: <199704021613.JAA13732@rocky.mt.sri.com> From: Nate Williams MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: Kazutaka YOKOTA Cc: freebsd-bugs@freefall.freebsd.org Subject: Re: kern/3066: System lock-up after npx0 probe with 2.2-RELEASE In-Reply-To: <199704020750.XAA13355@freefall.freebsd.org> References: <199704020750.XAA13355@freefall.freebsd.org> X-Mailer: VM 6.22 under 19.15 XEmacs Lucid Sender: owner-bugs@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > >> Sounds like the VGA chip in your system is having difficulty with > >> Pentium-optimized bcopy(). > >> > >> Try setting 0x01 in the configuration flag of the `npx0' device in > >> UserConfig. This flag bit will disables the Pentium-optimized bcopy(). > > > >Setting the npx0 flag to 1 works. Thank you! Just out of curiosity, what does > >the VGA chip (Chips & Tech 65545) have to do with the bcopy routine? > > I don't know exactly. My understanding is that some VGA chips cannot > catch up with the speed of the Pentium-optimized bcopy()... Hmm, my 75 Mhz Pentium laptop works fine w/out any flags, and has a C&T 65545 chip. Nate