Patch-ID# 100244-02
Keywords: panic data fault strwrite panic no chan maps
Synopsis: Kernel panic when 'nchanmap'==100 & panic data fault when using 'lwp'.
Date: 12/June/91

SunOS RELEASE: 4.1, 4.1.1

Topic: (1) Kernel panic when 'nchanmap'==100 & resources run out.
       (2) Kernel panic data fault when using 'lwp'.

BugID's fixed with this patch: 1033287 1052669

Architectures for which this patch is available: sun3, sun3x, sun4, sun4c

This Patch obsoletes patch id # 100244-01

Obsolete By: 

Problem Description:

BUGID: 1033287

	(1) Kernel panic when 'nchanmap'==100 & resources run out.

	NCHANMAP is set to 100 and when this resource runs out,
	the system panics with "panic: no chan maps".

	
BUGID: 1052669

	(2) Kernel panic data fault when using 'lwp'.

	The streams table gets corrupted by cminit initializing
	one 'chanmap' too many when creating free list.

INSTALL:
As root:
# mv /sys/sun{3,3x,4,4c}/OBJ/lwputil.o /sys/sun{3,3x,4,4c}/OBJ/lwputil.o.FCS
# cp sun{3,3x,4,4c}/lwputil.o /sys/sun{3,3x,4,4c}/OBJ/lwputil.o

rerun /etc/config <kernel-name>
and make and install the new kernel.
Please refer to the system and networking administration manual
for details on building and installing a new kernel