Date: Tue, 1 Apr 1997 23:50:03 -0800 (PST) From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp> To: freebsd-bugs Subject: Re: kern/3066: System lock-up after npx0 probe with 2.2-RELEASE Message-ID: <199704020750.XAA13355@freefall.freebsd.org>
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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 Groeneveld <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 16:51:15 +0900 >> 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 > >Setting the npx0 flag to 1 works. Thank you! Just out of curiosity, what does >the VGA chip (Chips & Tech 65545) have to do with the bcopy routine? > >Hendrik I don't know exactly. My understanding is that some VGA chips cannot catch up with the speed of the Pentium-optimized bcopy()... Kazu
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