From owner-freebsd-current  Thu May  4 04:27:05 1995
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Date: Thu, 4 May 1995 07:31:18 -0400
From: User Jleppek <jleppek@harris.com>
Message-Id: <199505041131.HAA25117@cyclops.home.com>
To: freebsd-current@freefall.cdrom.com
Subject: build world failed
Sender: current-owner@FreeBSD.org
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with a Thu May  4 sup

make -DNOPROFILE world
stops at

===> usr.sbin/pcvt/vgaio
yacc -d /usr/src/usr.sbin/pcvt/vgaio/vgaio.y
yacc: 2 shift/reduce conflicts.
cc -O -m486 -pipe -I /usr/src/usr.sbin/pcvt/vgaio/obj -I /usr/src/usr.sbin/pcvt/vgaio -g   -c y.tab.c -o vgaio.o
/usr/include/machine/cpufunc.h: In function `getreg':
/usr/include/machine/cpufunc.h:203: impossible register constraint in `asm'
/usr/include/machine/cpufunc.h:203: impossible register constraint in `asm'
/usr/include/machine/cpufunc.h:203: impossible register constraint in `asm'
/usr/include/machine/cpufunc.h: In function `setreg':
/usr/include/machine/cpufunc.h:203: impossible register constraint in `asm'
/usr/include/machine/cpufunc.h:203: impossible register constraint in `asm'
/usr/include/machine/cpufunc.h:203: impossible register constraint in `asm'
*** Error code 1

Stop.
*** Error code 1

looks like when an outb is being done....

Jim