From owner-freebsd-questions Tue Aug 21 17:56: 0 2001 Delivered-To: freebsd-questions@freebsd.org Received: from shumai.marcuscom.com (rdu26-228-058.nc.rr.com [66.26.228.58]) by hub.freebsd.org (Postfix) with ESMTP id F023837B40E for ; Tue, 21 Aug 2001 17:55:48 -0700 (PDT) (envelope-from marcus@marcuscom.com) Received: from localhost (marcus@localhost) by shumai.marcuscom.com (8.11.3/8.11.3) with ESMTP id f7M0tLk85929; Tue, 21 Aug 2001 20:55:21 -0400 (EDT) (envelope-from marcus@marcuscom.com) X-Authentication-Warning: shumai.marcuscom.com: marcus owned process doing -bs Date: Tue, 21 Aug 2001 20:55:21 -0400 (EDT) From: Joe Clarke To: Doug Poland Cc: Subject: Re: CPU class for Pentium/P54T Overdrive? In-Reply-To: <20010821185510.A40393@polands.org> Message-ID: <20010821205435.G25024-100000@shumai.marcuscom.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG That might be a good idea. Also, are you adding or removing any other options to your custom kernel that could be causing this? Have you tried booting with -v to try and get some more info before the panic? Joe Clarke On Tue, 21 Aug 2001, Doug Poland wrote: > On Tue, Aug 21, 2001 at 06:45:00PM -0400, Doug Poland wrote: > > On Tue, Aug 21, 2001 at 04:24:27PM -0400, Joe Clarke wrote: > > > On Tue, 21 Aug 2001, Doug Poland wrote: > > > > > > > Howdy, > > > > > > > > I'm trying to build a custom kernel off 4.4 PRERELEASE sources > > > > for an ISA box with a Pentium/P54T Overdrive processor. The > > > > 4.3-RELEASE generic kernel works fine. I build a kernel with > > > > I586_CPU and upon boot I get: > > > > > > > > panic: unknown CPU Class > > > > > > > > I've also tried I486_CPU but to no avail. Just what is the > > > > cpu class for this CPU? Thanks for your help. > > > > > > > > > > > Doug, chances are, it uses a 686. However, a good way to find out is boot > > > the GENERIC kernel, and look for a line like: > > > > > > CPU: Pentium III/Pentium III Xeon/Celeron (498.85-MHz 686-class CPU) > > > > > > The above is for a 686 CPU. > > > > > Thanks Joe, > > > > Generic kernel reports: > > CPU: Overdrive Pentium/P54T Overdrive (83.25-MHz 586-class CPU) > > > > Unfortunately, it panics on boot with I586_CPU defined in the kernel. > > > As an experiment, I just re-compiled the kernel will all Ix86_CPU definitions. > The machine does the same thing, as soon as it attempts to identify the CPU, > it panics and says: > CPU: Overdrive Pentium/P54T Overdrive (unknown-class CPU) > > Could it have something to do with the 4.4 RC sources? I could do a fresh > cvsup and try again. > > -- > Regards, > Doug > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message