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Date: Tue, 1 Apr 1997 20:10:02 -0800 (PST)
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From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
Subject: Re: kern/3066: System lock-up after npx0 probe with 2.2-RELEASE 
Reply-To: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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The following reply was made to PR kern/3066; it has been noted by GNATS.

From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
To: hendrik@hg.com
Cc: freebsd-gnats-submit@freebsd.org, yokota@zodiac.mech.utsunomiya-u.ac.jp
Subject: Re: kern/3066: System lock-up after npx0 probe with 2.2-RELEASE 
Date: Wed, 02 Apr 1997 13:07:36 +0900

 >>Number:         3066
 >>Category:       kern
 >>Synopsis:       System lock-up after npx0 probe with 2.2-RELEASE
 >>Confidential:   no
 >>Severity:       serious
 >>Priority:       high
 >>Responsible:    freebsd-bugs
 >>State:          open
 >>Class:          sw-bug
 >>Submitter-Id:   current-users
 >>Arrival-Date:   Sat Mar 22 23:00:01 PST 1997
 >>Last-Modified:
 >>Originator:     Hendrik Groeneveld
 >>Organization:
 >>Release:        2.2-RELEASE
 >>Environment:
 >FreeBSD klatu.hg.com 2.2-RELEASE FreeBSD 2.2-RELEASE #0: Sun Mar 16 07:47:59 G
 >MT 1997     jkh@time.cdrom.com:/usr/src/sys/compile/GENERIC  i386
 >>Description:
 >System hangs with random garbage on the screen shortly after probing npx0 when
 > booting from the install floppy (boot.flp) or when booting from the hard disk
 >. The system boots normally when npx0 is disabled in UserConfig.
 >
 >This problem is occuring on a no-name 120MHz Pentium laptop. This system did n
 >ot have any problems when running 2.1.5-RELEASE.
 
 Sounds like the VGA chip in your system is having difficulty with
 Pentium-optimized bcopy().
 
 Try setting 0x01 in the configuration flag of the `npx0' device in
 UserConfig. This flag bit will disables the Pentium-optimized bcopy().
 
 Kazu