Date: Fri, 25 Apr 1997 23:18:54 -0500 (CDT) From: yensid@imsa.edu To: FreeBSD-gnats-submit@freebsd.org Subject: kern/3391: Pentium optimizations in default bootdisk breaks some 486's Message-ID: <199704260418.XAA11566@beach.aca.imsa.edu> Resent-Message-ID: <199704260410.VAA03491@hub.freebsd.org>
next in thread | raw e-mail | index | archive | help
>Number: 3391 >Category: kern >Synopsis: Pentium optimizations in default bootdisk breaks some 486's >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Class: change-request >Submitter-Id: current-users >Arrival-Date: Fri Apr 25 21:10:01 PDT 1997 >Last-Modified: >Originator: Don Schmidt >Organization: Illinois Math and Science Academy >Release: FreeBSD 2.1.7-RELEASE i386 >Environment: i486 w/AMD BIOS, 28M ram, Diamond Speedstar Pro (Cirrus GD5230 based) vesa video board >Description: On all current boot disks, on certain 486's (mine, at least) after the kernel is loaded, the screen characters turn into unreadable gibberish in simply horrid shades of magenta and orange, leaving the machine in a unusable state. >How-To-Repeat: Would seem to be repeatable only on specific configurations >Fix: Removing support for I586_CPU in the bootdisk kernel would disable the optimizations that are apparently causing the problems. >Audit-Trail: >Unformatted:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199704260418.XAA11566>