Date: Tue, 21 Aug 2001 20:55:21 -0400 (EDT) From: Joe Clarke <marcus@marcuscom.com> To: Doug Poland <doug@polands.org> Cc: <questions@FreeBSD.ORG> Subject: Re: CPU class for Pentium/P54T Overdrive? Message-ID: <20010821205435.G25024-100000@shumai.marcuscom.com> In-Reply-To: <20010821185510.A40393@polands.org>
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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
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