Patch-ID# 100433-01
Keywords: crash, ss2, 112mb, 128, bad, trap, data, fault, panic, system, crashes, memory, maxusers
Synopsis: SunOS 4.1.1: SS2 crashes with 112mb memory and 128 maxusers
Date:  15/Nov/91
 
SunOS release: 4.1.1
 
Unbundled Product: 
 
Unbundled Release:
 
Topic: crash, ss2, 112mb, 128, bad, trap, data, fault, panic, system, crashes, memory, maxusers
 
BugId's fixed with this patch: 1068363

Architectures for which this patch is available: sun4c

Patches which may conflict with this patch: 

Obsoleted by: SunOS 4.1.2

Problem Description:
 The systen crashes with "panic: data fault" at bootup time when MAXUSERS is set to 128 with more than 112 MB of memory

INSTALL:
   as root install the  sun4c patches as follows:

   FOR 4C USERS WITHOUT DBE :
      mv /sys/sun4c/OBJ/machdep.o /sys/sun4c/OBJ/machdep.o.orig
      cp sun4c/machdep.o /sys/sun4c/OBJ
      chmod 444 /sys/sun4c/OBJ/machdep.o


   FOR 4C USERS WITH DBE :
      mv /sys/sun4c/OBJ/machdep.o /sys/sun4c/OBJ/machdep.o.orig
      cp DBE-4c/machdep.o /sys/sun4c/OBJ
      chmod 444 /sys/sun4c/OBJ/machdep.o

   Then a new kernel will need to be made and installed.
 Please refer to the System and Network Administration manual
 for installing a custom kernel