<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">Patch-ID# 103591-05
Keywords: panic FOP deadlock fsck ufs holdcnt brelse bp ODS chkdq chkiq SIGSTOP
Synopsis: SunOS 5.5.1: /kernel/fs/ufs and /usr/lib/fs/ufs/fsck fixes
Date: Mar/07/97

Solaris Release: 2.5.1

SunOS Release: 5.5.1

Unbundled Product:

Unbundled Release:

Topic: SunOS 5.5.1: /kernel/fs/ufs and /usr/lib/fs/ufs/fsck fixes

BugId's fixed with this patch: 1215792 1227376 1233049 1242188 1244088 1245602 1250351 1250620 1251000 1266278 1267447 4017750

Changes incorporated in this version: 4017750

Relevant Architectures: sparc

Patches accumulated and obsoleted by this patch:

Patches which conflict with this patch: iss_sparc-01 (or higher revs)

Patches required with this patch:

Obsoleted by:

Files included with this patch:

/kernel/fs/ufs
/usr/lib/fs/ufs/fsck

Problem Description:

4017750 acl(..., SETACL, ...) panics when attempting to set default ACL on directory

	System panics when a default ACL is set for a directory without
	regular ACL entries.

(from 103591-04)

1267447 deadlock when running quotactl on heavily loaded system

(from 103591-03)

1215792 delayed availabilty of freed diskspace when UFS logging with ODS 4.0/3.0
1245602 Logging UFS is slower than UFS for local writes
1266278 freeing free xxx panic; indirtrunc tries to free the same block twice

(from 103591-02)

1233049 System hangs when user stops thread writing to ODS logging device

(from 103591-01)

1251000 missing brelse in 'freeing free *' fix-on-panic triggers, leaves bp locked
1250351 fsck mounted fs uses block rather than raw name, so error-lock state isn't fixe
1250620 fix-on-panic hard-locks trans. devices, when only error-lock is necessary
1244088 SS2000 is completely hanging under heavy I/O - Solaris 2.4 + 101945-36
1242188 hang waiting for rwlock with holdcnt of -1 but no owner
1227376 panic "Deadlock condition detected: cycle in blocking chain"

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.
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