Patch-ID# 100273-01
Keywords: system panic assertion fail pmg-> pmg_keepcnt == 1
Synopsis: SunOS 4.1,4.1.1,4.1_PSR_A: "panic: hat_ptesync - invalid pme" 
Date: 22-Apr-91

SunOS release: 4.1, 4.1 PSR_A and 4.1.1

Unbundled Product: 

Unbundled Release:

Topic: 

BugID's fixed with this patch: 1038686 1043801

Architectures for which this patch is available: sun4, sun4c, sun3

Obsoleted by: 4.1.1 Patch Release; 4.1.2

Problem Description:

System panics with "panic: hat_ptesync - invalid pme" message

System panics with "assertion failed, pmg->pmg_keepcnt == 1" message

INSTALL:

NOTE: MAKE SURE YOU HAVE INSTALLED PATCH 100092 FIRST, IF YOU ARE RUNNING 4.1
 	become root 

NOTE2: for sun3, the vm_hat.o steps do not apply, only the vm_subr.o is changed
       for the sun3 
.
 # mv /sys/sun{4,4c}/OBJ/vm_hat.o /sys/sun{4,4c}/OBJ/vm_hat.o.orig
 # mv /sys/sun{3,4,4c}/OBJ/vm_subr.o /sys/sun{3,4,4c}/OBJ/vm_subr.o.orig
	
 # mv sun{4,4c}/{4.1,4.1.1,4.1_PSR_A}/vm_hat.o /sys/sun{4,4c}/OBJ/vm_hat.o
 # mv sun{3,4,4c}/{4.1,4.1.1,4.1_PSR_A}/vm_subr.o /sys/sun{3,4,4c}/OBJ/vm_subr.o
	
 
        Rebuild and install the new kernel and reboot.