Patch-ID# 108828-07
Keywords: mutex libthread td_sync_get_info 2035 automountd
Synopsis: SunOS 5.8_x86: libthread patch
Date: 21/Jan/01

Solaris Release: 8_x86

SunOS release: 5.8_x86

Unbundled Product: 

Unbundled Release: 

Topic: SunOS 5.8_x86: libthread patch

BugId's fixed with this patch: 4091466 4236427 4288299 4307551 4311948 4336933 4367192 4381908 

Changes incorporated in this version: 4367192 4381908

Relevant Architectures: i386

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:

/usr/lib/libthread.so.1
/usr/lib/libthread.so.1 
/usr/lib/libthread_db.so.0
/usr/lib/libthread_db.so.1

Problem Description:

4381908 libthread hangs when both SIGPROF and SIGEMT are arriving
4367192 libthread leaves underlying lwp signal mask with SIGEMT (and SIGPROF) blocked

(from 108828-06)

4236427 Sybase Replication Server crashes on Multi-CPU Ultra Platforms

(from 108828-05)

4336933 Fix for overflow problem in bug 4145630 is incomplete

(from 108828-04)

4311948 non-static recursive mutexes do not get unlocked

(from 108828-03)

4091466 RFE (request for enhancement) to force core dump instead of libthread hang

(from 108828-02)

4307551 td_sync_get_info() returns incorrect ownership information.

(from 108828-01)

4288299 Recursive mutexes are not properly released

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: 
----------------------------- 

	NOTE:  To get the complete fix for 4336933, one also needs to install
	       /usr/lib/lwp/libthread.so.1 patch, 109462-02, or its newer
	       revision.

