Patch Name: PHKL_24877

Patch Description: s700_800 11.20 VM patch for miscellaneous fixes

Creation Date: 01/08/22

Post Date:  01/09/14

Hardware Platforms - OS Releases:
	s700: 11.20
	s800: 11.20

Products: N/A

Filesets:
	OS-Core.CORE2-KRN,fr=B.11.20,fa=HP-UX_B.11.20_64,v=HP

Automatic Reboot?: Yes

Status: General Release

Critical:
	Yes
	PHKL_24877: PANIC

Category Tags:
	defect_repair general_release critical panic

Path Name: /hp-ux_patches/s700_800/11.X/PHKL_24877

Symptoms:
	PHKL_24877:
	( SR:8606200770 CR:JAGad69946 )
	When doing a PSTAT_PROC_VM, it is possible that the kernel
	will panic due to an unprotected memory reference.  The
	panic stack trace will show the following routines:

	panic+0x340
	gexcp_hndlr+0x220
	bubbledown+0x0
	ltor+0x2f0
	hdl_vpfn+0x30
	pstat_proc_vm+0x870
	pstat+0x500
	syscall+0x13c0

Defect Description:
	PHKL_24877:
	( SR:8606200770 CR:JAGad69946 )
	There is an unprotected memory reference in the pstat
	code that may cause a panic if it is executed.

	Resolution:
	The unprotected memory reference was corrected.

SR:
	8606200770

Patch Files:
	
	OS-Core.CORE2-KRN,fr=B.11.20,fa=HP-UX_B.11.20_64,v=HP:
	/usr/conf/lib/libpstat.a(vm_pstat.o)

what(1) Output:
	
	OS-Core.CORE2-KRN,fr=B.11.20,fa=HP-UX_B.11.20_64,v=HP:
	/usr/conf/lib/libpstat.a(vm_pstat.o):
		vm_pstat.c $Date: 2001/08/08 10:27:22 $Revision: r11
			.20/1 PATCH_11.20 (PHKL_24877)

cksum(1) Output:
	
	OS-Core.CORE2-KRN,fr=B.11.20,fa=HP-UX_B.11.20_64,v=HP:
	3379545003 29568 /usr/conf/lib/libpstat.a(vm_pstat.o)

Patch Conflicts: None

Patch Dependencies: None

Hardware Dependencies: None

Other Dependencies: None

Supersedes: None

Equivalent Patches: None

Patch Package Size: 50 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_24877

	5. Run swinstall to install the patch:

		swinstall -x autoreboot=true -x patch_match_target=true \
			  -s /tmp/PHKL_24877.depot

	By default swinstall will archive the original software in 
	/var/adm/sw/save/PHKL_24877.  If you do not wish to retain a
	copy of the original software, include the patch_save_files
	option in the swinstall command above:

		-x patch_save_files=false

	WARNING: If patch_save_files is false when a patch is installed,
		 the patch cannot be deinstalled.  Please be careful
		 when using this feature.

	For future reference, the contents of the PHKL_24877.text file is 
	available in the product readme:

		swlist -l product -a readme -d @ /tmp/PHKL_24877.depot

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

		dd if=/tmp/PHKL_24877.depot of=/dev/rmt/0m bs=2k

Special Installation Instructions: None