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Patch Name: PHKL_30973
Patch Description: s700_800 11.00 eventport (/dev/poll) pseudo driver
Creation Date: 04/06/01
Post Date: 04/06/14
Hardware Platforms - OS Releases:
s700: 11.00
s800: 11.00
Products: N/A
Filesets:
OS-Core.ADMN-ENG-A-MAN,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP
OS-Core.UX-CORE,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP
ProgSupport.C-INC,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP
OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP
OS-Core.KERN2-RUN,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
OS-Core.KERN2-RUN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP
Automatic Reboot?: Yes
Status: General Release
Critical:
Yes
PHKL_30973: PANIC
Category Tags:
defect_repair enhancement general_release critical panic
Path Name: /hp-ux_patches/s700_800/11.X/PHKL_30973
Symptoms:
PHKL_30973:
( SR:8606345444 CR:JAGaf06294 )
Panic occurs during an ioctl(2) or close on an event port
device. The stack traces can look like:
soo_select2+0x8
unp_poll_handler+0x2c
so_poll_switch+0x4c
evp_dp_poll+0x1d8
evp_ioctl+0x80
spec_ioctl+0xb0
vno_ioctl+0x8c
ioctl+0x138
or
so_eventreg+0x78
evp_dereg_objhdr+0x30
evp_close+0x108
call_open_close+0x234
closed+0x98
spec_close+0x48
vn_close+0x40
vno_close+0x20
closef+0x60
PHKL_24064:
( SR:8606195573 CR:JAGad64777 )
Enhancement: /dev/poll provides an interface to the
eventport driver allowing a user to synchronously monitor a
specific set of conditions associated with a registered set
of file descriptors.
Defect Description:
PHKL_30973:
( SR:8606345444 CR:JAGaf06294 )
The defect can happen in the following two scenarios:
1) The registration of a file descriptor with an event port
was not handled properly in certain cases.
2) A race condition exists between registration and
deregistration of a file descriptor with a given event port.
Resolution:
1) The implementation was modified to handle all possible
registration paths.
2) The race condition was closed.
PHKL_24064:
( SR:8606195573 CR:JAGad64777 )
Poll(2) and select(2) do not scale well with a large number
of file descriptors.
Resolution:
Use the /dev/poll semantics instead of poll(2) or select(2).
Enhancement:
No (superseded patches contained enhancements)
PHKL_30973:
Enhancements were delivered in a patch this one has
superseded. Please review the Defect Description
text for more information.
SR:
8606195573 8606345444
Patch Files:
OS-Core.ADMN-ENG-A-MAN,fr=B.11.00,fa=HP-UX_B.11.00_32/64,
v=HP:
/usr/share/man/man7.Z/poll.7
OS-Core.UX-CORE,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
/sbin/init.d/evp.init
/sbin/rc1.d/S450evp.init
ProgSupport.C-INC,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
/usr/include/devpoll.h
OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP:
/usr/conf/lib/libevp.a(evp.o)
/usr/conf/lib/libevp.a(evp_util.o)
OS-Core.KERN2-RUN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP:
/usr/conf/master.d/evp
OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP:
/usr/conf/lib/libevp.a(evp.o)
/usr/conf/lib/libevp.a(evp_util.o)
OS-Core.KERN2-RUN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP:
/usr/conf/master.d/evp
what(1) Output:
OS-Core.ADMN-ENG-A-MAN,fr=B.11.00,fa=HP-UX_B.11.00_32/64,
v=HP:
/usr/share/man/man7.Z/poll.7:
None
OS-Core.UX-CORE,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
/sbin/init.d/evp.init:
evp $Date: 2001/12/19 12:01:44 $Revision: r11ros/2 P
ATCH_11.00 (PHKL_24064)
/sbin/rc1.d/S450evp.init:
evp $Date: 2001/12/19 12:01:44 $Revision: r11ros/2 P
ATCH_11.00 (PHKL_24064)
ProgSupport.C-INC,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
/usr/include/devpoll.h:
devpoll.h $Date: 2001/04/25 07:28:19 $Revision: r11r
os/1 PATCH_11.00 (PHKL_24064)
OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP:
/usr/conf/lib/libevp.a(evp.o):
evp.c $Date: 2004/05/25 08:59:09 $Revision: r11ros/2
PATCH_11.00 (PHKL_30973)
/usr/conf/lib/libevp.a(evp_util.o):
evp_util.c $Date: 2001/04/25 06:54:39 $Revision: r11
ros/1 PATCH_11.00 (PHKL_24064)
OS-Core.KERN2-RUN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP:
/usr/conf/master.d/evp:
evp $Date: 2001/10/16 10:13:04 $Revision: r11ros/1 P
ATCH_11.00 (PHKL_24064)
OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP:
/usr/conf/lib/libevp.a(evp.o):
evp.c $Date: 2004/05/25 08:59:09 $Revision: r11ros/2
PATCH_11.00 (PHKL_30973)
/usr/conf/lib/libevp.a(evp_util.o):
evp_util.c $Date: 2001/04/25 06:54:39 $Revision: r11
ros/1 PATCH_11.00 (PHKL_24064)
OS-Core.KERN2-RUN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP:
/usr/conf/master.d/evp:
evp $Date: 2001/10/16 10:13:04 $Revision: r11ros/1 P
ATCH_11.00 (PHKL_24064)
cksum(1) Output:
OS-Core.ADMN-ENG-A-MAN,fr=B.11.00,fa=HP-UX_B.11.00_32/64,
v=HP:
2708049015 6731 /usr/share/man/man7.Z/poll.7
OS-Core.UX-CORE,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
3948811256 641 /sbin/init.d/evp.init
3948811256 641 /sbin/rc1.d/S450evp.init
ProgSupport.C-INC,fr=B.11.00,fa=HP-UX_B.11.00_32/64,v=HP:
1404618546 2002 /usr/include/devpoll.h
OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP:
3317751264 15632 /usr/conf/lib/libevp.a(evp.o)
2626017290 8168 /usr/conf/lib/libevp.a(evp_util.o)
OS-Core.KERN2-RUN,fr=B.11.00,fa=HP-UX_B.11.00_32,v=HP:
3545257857 4028 /usr/conf/master.d/evp
OS-Core.CORE2-KRN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP:
296729470 34416 /usr/conf/lib/libevp.a(evp.o)
2337516872 23096 /usr/conf/lib/libevp.a(evp_util.o)
OS-Core.KERN2-RUN,fr=B.11.00,fa=HP-UX_B.11.00_64,v=HP:
3545257857 4028 /usr/conf/master.d/evp
Patch Conflicts: None
Patch Dependencies:
s700: 11.00: PHKL_25098 PHKL_30972 PHNE_24715 PHNE_25116
s800: 11.00: PHKL_25098 PHKL_30972 PHNE_24715 PHNE_25116
Hardware Dependencies: None
Other Dependencies: None
Supersedes:
PHKL_24064
Equivalent Patches:
PHKL_30542:
s700: 11.11
s800: 11.11
Patch Package Size: 100 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_30973
5. Run swinstall to install the patch:
swinstall -x autoreboot=true -x patch_match_target=true \
-s /tmp/PHKL_30973.depot
By default swinstall will archive the original software in
/var/adm/sw/save/PHKL_30973. 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_30973.text file is
available in the product readme:
swlist -l product -a readme -d @ /tmp/PHKL_30973.depot
To put this patch on a magnetic tape and install from the
tape drive, use the command:
dd if=/tmp/PHKL_30973.depot of=/dev/rmt/0m bs=2k
Special Installation Instructions: None
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