Patch Name: PHKL_15903

Patch Description: s700 10.24 (VVOS) Enable MP on systems faster than 214 MHz

Creation Date: 98/07/10

Post Date:  98/07/24

Hardware Platforms - OS Releases:
	s700: 10.24

Products: N/A

Filesets:
	OS-Core.CORE-KRN

Automatic Reboot?: Yes

Status: General Release

Critical: No

Path Name: /hp-ux_patches/s700/10.X/PHKL_15903

Symptoms:
	PHKL_15903:
	Repackaged HP-UX patch PHKL_12513 for VVOS.

	Based on HP-UX patch PHKL_12513:
	On MP systems that have a CPU clock rate that is greater
	than 214 MHz, an integer overflow causes a timeout routine
	to terminate prematurely.  When this occurs, secondary
	processors will not startup, resulting in a system where
	only one CPU runs.  The kernel will print a message stating:
	Processor 1 did not start in the expected time period
	to the console (and kernel message buffer).

Defect Description:
	PHKL_15903:
	Repackaged HP-UX patch PHKL_12513 for VVOS.

	Based on HP-UX patch PHKL_12513:
	The implementation of wait_for_rendez() does not work when
	the system clock is faster than 214.7 MHz.  This is because
	10 seconds of ticks at this frequency is greater than 2^31-1
	This defect is easily reproduced by booting an MP system
	that is clocked at a speed greater than 214 MHz.  A message
	will be displayed that indicates that the additional
	processor(s) did not start in the expected time period.

SR:
	4701367052

Patch Files:
	/usr/conf/lib/libhp-ux.a(mp.o)

what(1) Output:
	/usr/conf/lib/libhp-ux.a(mp.o):
		mp.c  $Date: 97/09/11 11:22:48 $ $Revision: 1.11.98.
			3 $ PATCH_10.20 (PHKL_12513)

cksum(1) Output:
	1487033862 6100 /usr/conf/lib/libhp-ux.a(mp.o)

Patch Conflicts: None

Patch Dependencies: None

Hardware Dependencies: None

Other Dependencies: None

Supersedes: None

Equivalent Patches:
	PHKL_15904:
	s800: 10.24

	PHKL_12513:
	s700: 10.20

Patch Package Size: 70 KBytes

Installation Instructions:
	Please review all instructions and the Hewlett-Packard
	SupportLine User Guide or your Hewlett-Packard support terms
	and conditions for precautions, scope of license,
	restrictions, and, limitation of liability and warranties,
	before installing this patch.
	------------------------------------------------------------
	1. Back up your system before installing a patch.

	2. Login as root.

	3. Copy the patch to the /tmp directory.

	4. Move to the /tmp directory and unshar the patch:

		cd /tmp
		sh PHKL_15903

	5a. For a standalone system, run swinstall to install the
	    patch:

		swinstall -x autoreboot=true -x match_target=true \
			-s /tmp/PHKL_15903.depot

	5b. For a homogeneous NFS Diskless cluster run swcluster on the
	    server to install the patch on the server and the clients:

		swcluster -i -b

	    This will invoke swcluster in the interactive mode and
	    force all clients to be shut down.

	    WARNING: All cluster clients must be shut down prior to the
		     patch installation.  Installing the patch while the
		     clients are booted is unsupported and can lead to
		     serious problems.

	    The swcluster command will invoke an swinstall session in which
	    you must specify:

		alternate root path  -  default is /export/shared_root/OS_700
		source depot path    -  /tmp/PHKL_15903.depot

	    To complete the installation, select the patch by choosing
	    "Actions -> Match What Target Has" and then "Actions -> Install"
	    from the Menubar.

	5c. For a heterogeneous NFS Diskless cluster:

		- run swinstall on the server as in step 5a to install
		  the patch on the cluster server.

		- run swcluster on the server as in step 5b to install
		  the patch on the cluster clients.

	By default swinstall will archive the original software in
	/var/adm/sw/patch/PHKL_15903.  If you do not wish to retain a
	copy of the original software, you can create an empty file
	named /var/adm/sw/patch/PATCH_NOSAVE.

	Warning: If this file exists when a patch is installed, the
	         patch cannot be deinstalled.  Please be careful
		 when using this feature.

	It is recommended that you move the PHKL_15903.text file to
	/var/adm/sw/patch for future reference.

	To put this patch on a magnetic tape and install from the
	tape drive, use the command:

		dd if=/tmp/PHKL_15903.depot of=/dev/rmt/0m bs=2k

Special Installation Instructions: None