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Date:      Thu, 21 Mar 1996 14:12:47 -0800
From:      "Mike R. Shuyler" <mshuyler@zoom.com>
To:        questions@freefall.freebsd.org
Subject:   New CPU, old /kernel won't boot
Message-ID:  <2.2.32.19960321221247.006bc3cc@zoom.com>

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I WAS running 2.1.0 on my 486DX2/50 just fine without any problems until I
replaced my cpu with an Intel Pentium Overdrive CPU 83Mhz that was *given*
to me.

Now when I try to boot the system I get a PANIC unknown cpu type or
similar message.  I had built a custom kernel for the machine, and the cpu
type was set for i486 in the kernel config, so I understand why I can't
start the system.

My question is this: Is there any way to build a new kernel after booting from
the installation boot floppy?  I have tried to mount the hard disk from the 
fixit floppy using  'mount /dev/sd0s2 /mnt' and I can access some of the
filesystem on my freebsd partition, but not the /usr files.  ls reports that
the /usr directory exists but is completely empty. 

My choices as I see them are 1) Tear my system apart again down to the
motherboard, change to the old cpu, change many jumpers, reinstall several
cards, start FreeBSD, compile a new kernel, then reverse the cpu
installation  all over again, or 2) Reinstall FreeBSD from scratch via ftp.
(I had no critical information stored on the FreeBSD partion, just hours of
configuring)

Are there any other options available to me?  Both of the options I
mentioned above will take several hours under the best of circumstances.

Any help would be greatly appreciated,

Mike Shuyler
<mshuyler@zoom.com>

Microsoft isn't the answer. Microsoft is the question, and the answer is NO.
============================================================================
Mike R. Shuyler - San Francisco, CA - Finger me for my PGP 2.6.2 Public Key.




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