OBSOLETE Patch-ID# 111446-02
Keywords: preemption setfpregs fpu registers
Synopsis: Obsoleted by: <INTEGRATION>  SunOS 5.6: Supplemental Kernel Update patch
Date: Jun/27/2001

********************************************************************
The fix(es) delivered by Supplemental Patch 111446-02 has
been integrated into patch 105181-29.

Please install patch 105181-29 to revolve the bug(s) described
in this patch.

If 111446-02 is releady installed on your system, it is necessary
to back out 111446-02 before installing patch 105181-29.

********************************************************************

Solaris Release: 2.6

SunOS Release: 5.6

Unbundled Product: 

Unbundled Release: 

Xref: 

Topic: SunOS 5.6: Supplemental Kernel Update patch
	NOTE: This patch supplements patch 105181-28 ONLY and must be
	      removed before a newer revision of 105181 can be installed.
	      Do NOT disable backout when installing this patch.
	***********************************************************
	NOTE: This patch may contain one or more OEM-specific platform ports.
	      See the appropriate OEM_NOTES file within the patch for
	      information specific to these platforms.
	      DO NOT INSTALL this patch on an OEM system if a corresponding
	      OEM_NOTES file is not present (or is present, but instructs not
	      to install the patch), unless the OEM vendor directs otherwise.
	***********************************************************
	NOTE: This point patch is scheduled for integration in a
	      future SunOS release, although at this time no
	      specific commitment can be given as to which SunOS
              release.

Relevant Architectures: sparc

BugId's fixed with this patch: 4439142 4454749

Changes incorporated in this version: 4454749

Patches accumulated and obsoleted by this patch: 

Patches which conflict with this patch: 105181-29 (or newer)

Patches required with this patch: 105181-28

Obsoleted by: 

Files included with this patch: 

/kernel/genunix
/platform/SUNW,Ultra-Enterprise-10000/kernel/unix
/platform/sun4c/kernel/unix
/platform/sun4d/kernel/unix
/platform/sun4m/kernel/unix
/platform/sun4u/kernel/genunix
/platform/sun4u/kernel/unix
/platform/sun4u1/kernel/genunix

Problem Description:

4454749 recursive mutex panic in sfmmu_tsb_miss
 
(from 111446-01)
 
4439142 Kernel preemption during setfpregs results in floating point register corruption

Patch Installation Instructions:
-------------------------------- 
Refer to the Install.info file within the patch for instructions on
using the generic 'installpatch' and 'backoutpatch' scripts provided
with each patch.  Any other special or non-generic installation
instructions should be described below.

Special Install Instructions:
----------------------------- 
 
Reboot the system after patch installation.

README -- Last modified date:  Tuesday, December 4, 2001