Patch Name: PHKL_20400 Patch Description: s700_800 11.00 inherited attrs cause panic in file creation Creation Date: 99/11/04 Post Date: 99/11/10 Hardware Platforms - OS Releases: s700: 11.00 s800: 11.00 Products: N/A Filesets: JournalFS.VXFS-BASE-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP JournalFS.VXFS-BASE-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP Automatic Reboot?: Yes Status: General Release Critical: Yes PHKL_20400: PANIC Category Tags: defect_repair general_release critical panic Path Name: /hp-ux_patches/s700_800/11.X/PHKL_20400 Symptoms: PHKL_20400: ( SR: 8606102742 DTS: JAGab68680) Data page fault in vx_spin_lock(), invoked from vx_attr_inherit(). Defect Description: PHKL_20400: ( SR: 8606102742 DTS: JAGab68680) While creating a new VxFS file, a race condition between vx_attr_inheritbuf() and vx_inherit_release() on the attributes of the parent directory causes the panic. Resolution: Avoid the race condition by managing the locks at the vx_attr_inherit() level. SR: 8606102742 Patch Files: JournalFS.VXFS-BASE-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP: /usr/conf/lib/libvxfs_base.a(vx_attr.o) JournalFS.VXFS-BASE-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP: /usr/conf/lib/libvxfs_base.a(vx_attr.o) what(1) Output: JournalFS.VXFS-BASE-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP: /usr/conf/lib/libvxfs_base.a(vx_attr.o): vx_attr.c $Date: 1999/11/04 07:07:41 $Revision: r11r os/8 PATCH_11.00 (PHKL_20400) JournalFS.VXFS-BASE-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP: /usr/conf/lib/libvxfs_base.a(vx_attr.o): vx_attr.c $Date: 1999/11/04 07:07:41 $Revision: r11r os/8 PATCH_11.00 (PHKL_20400) cksum(1) Output: JournalFS.VXFS-BASE-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP: 2318064688 40148 /usr/conf/lib/libvxfs_base.a(vx_attr.o) JournalFS.VXFS-BASE-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP: 3570863536 75968 /usr/conf/lib/libvxfs_base.a(vx_attr.o) Patch Conflicts: None Patch Dependencies: s700: 11.00: PHKL_18543 s800: 11.00: PHKL_18543 Hardware Dependencies: None Other Dependencies: None Supersedes: None Equivalent Patches: PHKL_15742: s700: 10.20 PHKL_15743: s800: 10.20 Patch Package Size: 150 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_20400 5. Run swinstall to install the patch: swinstall -x autoreboot=true -x patch_match_target=true \ -s /tmp/PHKL_20400.depot By default swinstall will archive the original software in /var/adm/sw/save/PHKL_20400. 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_20400.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_20400.text file is available in the product readme: swlist -l product -a readme -d @ /tmp/PHKL_20400.depot To put this patch on a magnetic tape and install from the tape drive, use the command: dd if=/tmp/PHKL_20400.depot of=/dev/rmt/0m bs=2k Special Installation Instructions: This patch depends on base patch PHKL_18543. For successful installation please insure that PHKL_18543 is already installed, or that PHKL_18543 is included in the same depot with this patch and PHKL_18543 is selected for installation.