Patch-ID# 111863-02
Keywords: PFS iod deadlock
Synopsis: HPC 4.0: PFS iod deadlock and other fixes for PFS
Date: Oct/07/2002

Install Requirements: None                      
                      
Solaris Release: 8

SunOS Release: 5.8

Unbundled Product: HPC

Unbundled Release: 4.0

Xref: 

Topic: 

Relevant Architectures: sparc

BugId's fixed with this patch: 4474061 4478551 4480794 4485890 4485899 4485905 4485913 4485916 4488046 4488050 4741740

Changes incorporated in this version: 4741740

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: 

/opt/SUNWhpc/HPC4.0/bin/pfs.iod
/opt/SUNWhpc/HPC4.0/bin/pfs.proxy
/opt/SUNWhpc/HPC4.0/bin/sparcv7/pfs.iod
/opt/SUNWhpc/HPC4.0/bin/sparcv7/pfs.proxy
/opt/SUNWhpc/HPC4.0/bin/sparcv9/pfs.proxy
/opt/SUNWhpc/HPC4.0/etc/pfs/sparcv7/pfs.module
/opt/SUNWhpc/HPC4.0/etc/pfs/sparcv9/pfs.module
/opt/SUNWhpc/HPC4.0/lib/libpfs.so.1
/opt/SUNWhpc/HPC4.0/lib/sparcv9/libpfs.so.1

Problem Description:

4741740 installation of patches on activated system causes errors
 
(from 111863-01)
 
4478551 pfs mothra miscompares w/ BT pattern
4485890 pfs mt test fails with data miscompare
4485899 pfs file truncation block calculation is incorrect
4485905 subfile sbreqs are not freed when a subfile is truncated
4485913 memory leaks in iod
4488046 bugs found in review of pfs code
4488050 deadlock "concurrently" writing and truncating a PFS file
4480794 write to unallocated memory in TMFS_Init
4485916 array bounds read error in iod
4474061 pfs.iod occasionally dies under heavy system load.

Patch Installation Instructions:
-------------------------------- 
Use 'patchadd' and 'patchrm' to install / remove the patch.

Special Install Instructions:
----------------------------- 
Stop PFS services on all nodes.
# /etc/init.d/sunhpc.pfs_client stop
# /etc/init.d/sunhpc.pfs_server stop
 
apply patch and restart PFS services on all nodes.
# /etc/init.d/sunhpc.pfs_server start
# /etc/init.d/sunhpc.pfs_client start

README -- Last modified date:  Monday, October 7, 2002