Patch-ID# 111437-01
Keywords: preemption setfpregs fpu registers
Synopsis: SunOS 5.7:  Supplemental kernel update patch
Date: May/04/2001

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.

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.

Solaris Release: 7

SunOS Release: 5.7

Unbundled Product: 

Unbundled Release: 

Xref: 

Topic: SunOS 5.7:  Supplemental kernel update patch

Relevant Architectures: sparc

BugId's fixed with this patch: 4439142

Changes incorporated in this version: 4439142

Patches accumulated and obsoleted by this patch: 

Patches which conflict with this patch: 106541-17 (or newer)

Patches required with this patch: 106541-16

Obsoleted by: 

Files included with this patch: 

/kernel/genunix
/platform/SUNW,Ultra-Enterprise-10000/kernel/sparcv9/unix
/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/sparcv9/genunix
/platform/sun4u/kernel/sparcv9/unix
/platform/sun4u/kernel/unix

Problem Description:

4439142 Kernel preemption during setfpregs results in floating point register 
               contents not preserved

Patch Installation Instructions:
--------------------------------
 
For Solaris 2.0-2.6 releases, refer to the Install.info file and/or
the README within the patch for instructions on using the generic
'installpatch' and 'backoutpatch' scripts provided with each patch.
 
For Solaris 7-8 releases, refer to the man pages for instructions
on using 'patchadd' and 'patchrm' scripts provided with Solaris.
Any other special or non-generic installation instructions should be
described below as special instructions.  The following example
installs a patch to a standalone machine:
 
       example# patchadd /var/spool/patch/104945-02
 
The following example removes a patch from a standalone system:
 
       example# patchrm 104945-02
 
For additional examples please see the appropriate man pages.

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

README -- Last modified date:  Monday, May 7, 2001

