Patch-ID# 105068-04
Keywords: envctrl i2c SUNvts envtest keyswitch FSP leds NFS write error fan
Synopsis: SunOS 5.5.1: /platform/sun4u/kernel/drv/envctrl driver patch
Date: May/25/00

Solaris Release: 2.5.1

SunOS Release: 5.5.1

Unbundled Product: 

Unbundled Release: 

Relevant Architectures: i386
NOTE:sun4u

BugId's fixed with this patch: 4042717 4049555 4051924 4051965 4051667 4052198 4052882 4058804 4097475 4139830 4257172

Changes incorporated in this version: 4257172

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: 

/platform/sun4u/kernel/drv/envctrl

Problem Description: 

4257172 envctrl: recursive mutex enter panic during power supply hotswap

(from 105068-03)

Patch readme changes

(from 105068-02)

4139830 On some E450 systems, fans blast every minute.
4058804 i2c: random bus lockup.
4097475 L1/a causes hard hang while i2c_util monitor program is running on E450.

(from 105068-01)

4042717 envctrl: i2c driver causing various test failures in SUNVTS (envtest)
4049555 envctrl: i2c keyswitch position changes are not always recognized/sensed
4051924 i2c: intermittent errors reported by envctrl due to i2c bus problems
4051965 i2c: ambient temperature threshold shutsdown system with no FSP led indicators
4051667 A bad postremove script in SUNWevc will create NFS write error upgrade.
4052198 i2c: Fan Failure(s), System Shutdown - FSP general fault LED not always
lit
4052882 envctrl:  inconsistency in fan number reporting between cpu and ps fan banks 

Patch Installation Instructions: 
-------------------------------- 
Refer to the Install.info file 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 as special instructions.

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

This patch is applicable to Solaris 2.5.1 8/97 and 2.5.1 11/97.