Subject: Re: panic during boot after upgrading from 32 to 64 MB
To: None <>
From: Mike Long <>
List: port-i386
Date: 11/13/1996 11:02:40
>From: (Klaus Weber)
>Date: 12 Nov 1996 21:06:43 +0100

>I just tried to upgrade my machine from 32 to 64 MB, but I always get
>a kernel panic during boot.

>[other bootmessages]
>starting rpc daemons: portmap mountd nfsdpanic: ptdi 20f063

This is the by-now-infamous NKPDE problem.  Try adding the line below
to your kernel config:

options		"NKPDE=24"

I don't use this method myself, so I can't guarantee it.  If that
doesn't work, you'll have to edit /sys/arch/i386/include/vmparam.h to
change NKPDE.
Mike Long <>     <URL:>
VLSI Design Engineer         finger for PGP public key
Analog Devices, CPD Division          CCBF225E7D3F7ECB2C8F7ABB15D9BE7B
Norwood, MA 02062 USA       (eq (opinion 'ADI) (opinion 'mike)) -> nil