Patch-ID# 103094-03
Keywords: latency cpu_surrender page_unlock strioctl ic_timout freectty
Synopsis: SunOS 5.5_x86: kernel jumbo patch
Date: Sep/24/96

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 jumbo patch

BugId's fixed with this patch: 1161438 1189967 1220902 1229031 1231759 1231871 1232869 1233084 1243804 1251423 1256610

Changes incorporated in this version: 1251423 1256610

Relevant Architectures: i386

Patches accumulated and obsoleted by this patch:

Patches which conflict with this patch:

Patches required with this patch:

Obsoleted by:

Files included with this patch:

/kernel/genunix
/platform/i86pc/kernel/unix

Problem Description:

1256610 strwrite fails to call queuerun on error path: big 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

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.