Patch Name: PHKL_13431

Patch Description: s700_800 11.00 bad block msg,panic; data possibly corrupted

Creation Date: 97/12/04

Post Date:  97/12/09

Hardware Platforms - OS Releases:
	s700: 11.00
	s800: 11.00

Products: N/A

Filesets:
	OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP
	OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP

Automatic Reboot?: Yes

Status: General Release

Critical:
	Yes
	PHKL_13431: PANIC HANG CORRUPTION
		This patch should be applied to all 64-bit kernels.
		There is potential for silent data corruption
		without it.

Category Tags:
	defect_repair general_release critical panic halts_system
	corruption

Path Name: /hp-ux_patches/s700_800/11.X/PHKL_13431

Symptoms:
	PHKL_13431:
	"bad block" diagnostic messages
	panic: free: freeing free block
	potential data corruption

Defect Description:
	PHKL_13431:
	(SR 4701377010/DTS DSDe441029) There is a defect in the
	kernel routines which zero out blocks of memory if the block
	crosses a 4GB boundary.  This failure has been seen in the
	file system, with indirect block buffers not getting
	properly cleared.

SR:
	4701377010

Patch Files:
	
	OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP:
	/usr/conf/lib/libhp-ux.a(bzero.o)
	/usr/conf/lib/libhp-ux.a(lbzero.o)

	OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP:
	/usr/conf/lib/libhp-ux.a(bzero.o)
	/usr/conf/lib/libhp-ux.a(lbzero.o)

what(1) Output:
	
	OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP:
	/usr/conf/lib/libhp-ux.a(bzero.o):
		bzero.s $Date: 97/12/04 17:13:13 $ $Revision: 1.11.1
			06.3 $ PATCH_11.00 (PHKL_13431)
	/usr/conf/lib/libhp-ux.a(lbzero.o):
		lbzero.s $Date: 97/12/04 17:07:52 $ $Revision: 1.11.
			106.3 $ PATCH_11.00 (PHKL_13431)

	OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP:
	/usr/conf/lib/libhp-ux.a(bzero.o):
		bzero.s $Date: 97/12/04 17:13:13 $ $Revision: 1.11.1
			06.3 $ PATCH_11.00 (PHKL_13431)
	/usr/conf/lib/libhp-ux.a(lbzero.o):
		lbzero.s $Date: 97/12/04 17:07:52 $ $Revision: 1.11.
			106.3 $ PATCH_11.00 (PHKL_13431)

cksum(1) Output:
	
	OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP:
	1964991079 2432 /usr/conf/lib/libhp-ux.a(bzero.o)
	646557981 2436 /usr/conf/lib/libhp-ux.a(lbzero.o)

	OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP:
	2854251824 2768 /usr/conf/lib/libhp-ux.a(bzero.o)
	3754030496 2776 /usr/conf/lib/libhp-ux.a(lbzero.o)

Patch Conflicts: None

Patch Dependencies: None

Hardware Dependencies: None

Other Dependencies: None

Supersedes: None

Equivalent Patches: None

Patch Package Size: 40 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_13431

	5. Run swinstall to install the patch:

		swinstall -x autoreboot=true -x patch_match_target=true \
			  -s /tmp/PHKL_13431.depot

	By default swinstall will archive the original software in 
	/var/adm/sw/save/PHKL_13431.  If you do not wish to retain a
	copy of the original software, use the patch_save_files option:

		swinstall -x autoreboot=true -x patch_match_target=true \
			  -x patch_save_files=false -s /tmp/PHKL_13431.depot

	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_13431.text file is 
	available in the product readme:

		swlist -l product -a readme -d @ /tmp/PHKL_13431.depot

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

		dd if=/tmp/PHKL_13431.depot of=/dev/rmt/0m bs=2k

Special Installation Instructions: None