False Positive Power Faults may be Seen on T5 Servers Without Firmware Version 9.6.20.b/9.6.20.c and HW Programmables 1.0.11 or Later

Asset ID:	1-77-2353691.1
Update Date:	2018-03-08
Keywords:

Solution Type Sun Alert Sure

Solution 2353691.1 : False Positive Power Faults may be Seen on T5 Servers Without Firmware Version 9.6.20.b/9.6.20.c and HW Programmables 1.0.11 or Later

Applies to:

SPARC T5-2
SPARC T5-4
SPARC T5-8
Oracle SuperCluster T5-8 Hardware
Information in this document applies to any platform.
SPARC
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,

Date of Workaround Release: 26-Jan-2018
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Description

SPARC T5-2/T5-4/T5-8 systems without certain firmware versions and Hardware (HW) Programmables listed in the "Occurrence" section below may experience false positive power faults.

Occurrence

This issue can occur on the following platforms:

SPARC Platform

SPARC T5-2 without Firmware version 9.6.20.b and HW Programmables 1.0.11 or later
SPARC T5-4 without Firmware version 9.6.20.b and HW Programmables 1.0.11 or later
SPARC T5-8 without Firmware version 9.6.20.c and HW Programmables 1.0.11 or later
Oracle SuperCluster T5-8

To determine the firmware version installed on the system, the following command can be used:

-> show /HOST sysfw_version

Symptoms

When this issue occurs, a false positive power glitch event resulting in a system outage may be seen.

Workaround

There is no work around for this issue. Please see the Resolution section below.

Resolution

This issue is addressed in the following releases:

SPARC T5-2 Firmware version 9.6.20.b (as delivered in patch 27043436) and HW Programmables 1.0.11 (as delivered in patch 25796761) or later
SPARC T5-4 Firmware version 9.6.20.b (as delivered in patch 27043438) and HW Programmables 1.0.11 (as delivered in patch 25796761) or later
SPARC T5-8 Firmware version 9.6.20.c (as delivered in patch 27408283) and HW Programmables 1.0.11 (as delivered in patch 25796761) or later

This is a two part fix that requires both system firmware and hardware programmables to be effective.

The above firmware versions incorporate significant error handling improvements and other important bug fixes.

A final Resolution is pending completion for Oracle SuperCluster T5-8

Patches

<Patch:27043436>
<Patch:27043438>
<Patch:27408283>
<Patch:25796761>

History

26-Jan-2018: Document released, status Resolved
08-Mar-2018- Changed document status to Workaround. Added Oracle SuperCluster to Occurrence section.

Internal Section: Comments:

This issue will be addressed for Oracle SuperCluster T5-8 with April 2018 QFSDP (when available) and HW Programmables 1.0.11 (as delivered in patch 25796761) or later

Questions regarding this document should be addressed to
sunalertpublication_us_grp@oracle.com and copy the
submitter/responsible engineer listed below.

Internal Contributor/Submitter: peter.mo@oracle.com
Internal Eng Responsible Engineer: peter.mo@oracle.com
Oracle Knowledge Analyst: jeff.folla@oracle.com
Internal Eng Business Unit Group:
Internal Associated SR IDs:
Internal Pending Patches:
Internal Resolution Patches: 9.6.20.b, 9.6.20.c

References

<BUG:26372629> - ADD ADDITIONAL CHECKING TO THE VALUES OF T5M GLITCH/POK REGISTERS
<BUG:25543096> - T5 : MITIGATION OF CONTROLLER PINS COPPER SHORTS INSIDE INTERSIL ZL91XX MODULE

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