Patch-ID# 103641-03
Keywords: crash kernel ISM IDE lwplock strwrite lm_get_sysid klmmod panic
Synopsis: SunOS 5.5.1_x86: kernel patch
Date: Dec/12/96

Solaris Release: 2.5.1_x86

SunOS Release: 5.5.1_x86

Unbundled Product:

Unbundled Release:

Xref: This patch available for SPARC as patch 103640
Xref: This patch available for PPC as patch 103642

Topic: SunOS 5.5.1_x86: kernel patch

BugId's fixed with this patch: 1199624 1247572 1248161 1248930 1251423 1251430 1256610 1260766 1260959 1260982 1262694 1264333

Changes incorporated in this version: 1199624 1247572 1260766 1262694 1264333

Relevant Architectures: i386

Patches accumulated and obsoleted by this patch: 103659-02

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 hangs due to memory leak in kmem_alloc-8, kmem_alloc_24 and kmem_alloc-40
1260766 Solaris 2.5.1 cannot handle kernel dumps bigger than 2GB
1247572 lkmgr ran into a BAD TRAP while running tpcb workload from 2 nodes
1199624 queuerun indirectly causes fork() call to hang

(from 103641-02)

1260982 rwnext & infonext fix (waiting to enter inner perimeter)

	rwnext returns EGAIN which is causing a big applications to hang.

1260959 Streams information delayed 50-100 ms until dbri driver schedules it
1256610 strwrite fails to call queuerun on error path (a performance hit)

(from 103641-01)

1251423 panic - recursive mutex_enter on lwplock
1248161 system crashes while doing oracle database build with use_ism on
1248930 a process that uses shared memory could leave behind stale pde entries

(from 103659-02)

	This patch-rev now includes /kernel/misc/klmops, a module
        that was inadvertently dropped from the previous rev.

(from 103659-01)

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

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.