Patch-ID# 107399-01
Keywords: cnwrite() panic console
Synopsis: SunOS 4.1.4: Fix for console cnwrite() failure 
Date: Apr/23/99

Solaris Release: 1.1.2

SunOS Release: 4.1.4

Unbundled Product: 

Unbundled Release: 

Relevant Architectures: sparc
    NOTE: sun4(all)

BugId's fixed with this patch: 4187871 1072050

Changes incorporated in this version: 

Patches accumulated and obsoleted by this patch: 

Patches which conflict with this patch: 

Patches required with this patch: 

Obsoleted by: 

Files included with this patch: sun4m/cons.o
				sun4m/spec_subr.o
				sun4c/cons.o
				sun4c/spec_subr.o
				sun4/cons.o
				sun4/spec_subr.o

Problem Description: 

4187871  cnwrite() failure panics system
1072050  cnwrite() fails


Patch Installation Instructions: 
-------------------------------
1) As root, save copies of the original files:

   mv /usr/sys/`arch -k`/OBJ/cons.o /usr/sys/`arch -k`/OBJ/cons.o.FCS
   mv /usr/sys/`arch -k`/OBJ/spec_subr.o /usr/sys/`arch -k`/OBJ/spec_subr.o.FCS
   
   
2) Copy the new files from the patch directory:

   cp `arch -k`/cons.o /usr/sys/`arch -k`/OBJ
   cp `arch -k`/spec_subr.o /usr/sys/`arch -k`/OBJ
   chmod 444 /usr/sys/`arch -k`/OBJ/cons.o
   chmod 444 /usr/sys/`arch -k`/OBJ/spec_subr.o
   
3) Config, make and install a new kernel.  Reboot.
   Please refer to the "System Installation and Networking" manual
   for details on building a new kernel.
