Patch-ID# 103094-04
Keywords: latency cpu_surrender page_unlock strioctl ic_timout freectty klmmod 
Synopsis: SunOS 5.5_x86: kernel patch
Date: Jan/27/97

Solaris Release: 2.5_x86

SunOS release: 5.5_x86

Unbundled Product:

Unbundled Release:

Xref: This patch available for SPARC as patch 103093

Topic: SunOS 5.5_x86: kernel patch

BugId's fixed with this patch: 1161438 1189967 1220902 1229031 1231759 1231871 1232869 1233084 1238919 1243804 1251423 1251430 1253223 1254108 1256610 1260959 1260982 1262694 1264333

Changes incorporated in this version: 1253223 1254108 1260959 1260982 1262694 1264333

Relevant Architectures: i386

Patches accumulated and obsoleted by this patch: 103326-03

Patches which conflict with this patch:

Patches required with this patch:

Obsoleted by:

Files included with this patch:

/kernel/genunix
/platform/i86pc/kernel/unix
/kernel/misc/klmmod
/kernel/misc/klmops
/kernel/sys/doorfs

Problem Description:

1264333 _lwp_suspend()/continue() interrupts blocking system calls
1262694 Solaris 2.4 hangs due to memory leak in kmem_alloc-8, kmem_alloc_24 and -40 lea
1260959 Streams information delayd 50-100 ms until dbri driver schedules it
1254108 SIGPROF with ITIMER_REALPROF broken on Solaris 2.5 on Intel This test adds numbers store in a global area under mutexes
1253223 System running 2.3 with KJP-80 on single CPU /24MB hangs in fork test case
1260982 rwnext & infonext fix in 2.4 to wait to enter inner perimeter didn't make 2.5

(from 103094-03)

1256610 strwrite failes to call queuerun on error path: bug performance hit
1251423 panic - recursive mutex_enter on lwplock

(from 103094-02)

1243804 lockfs -h and umount of the UFS lying under a loopback file system causes panic
1232869 paging thresholds are too low on very big systems causing kmem alloc failures
1161438 The pageout daemon blows up when a lot of memory is added to a system

(from 103094-01)

1233084 freectty set cred pointer to NULL causing other module panic the system
1231759 strioctl ic_timout changed values from seconds to milliseconds
1229031 page_unlock: page not locked panic occurring when locking address space
1220902 workaround needed for Viking Hardware Problem
1189967 real-time latency limits exceeded occasionally
1231871 cpu_surrender doesn't check for threads waiting on kp queue

(from 103326-03)

1251430 Solaris 2.5 system panicked with message "lm_get_sysid: too many lm_sysid's"

(from 103326-02)

1251430 Solaris 2.5 system panicked with message "lm_get_sysid: too many lm_sysid's"

(from 103326-01)

1238919 mount causes the system to panic Data fault.

Patch Installation Instructions:
--------------------------------
Refer to the Install.info file within the patch for instructions on
using the generic 'installpatch' and 'backoutpatch' scripts provided
with each patch. Any other special or non-generic installation
instructions should be described below.

Special Install Instructions:
-----------------------------

Reboot the system after patch installation.