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SPARC T5-2: boot hangs at 'Control-get failed' if improper voltage supplied (Doc ID 1996519.1)

Last updated on OCTOBER 31, 2018

Applies to:

SPARC T5-2 - Version All Versions and later
Information in this document applies to any platform.

Symptoms

SPARC T5-2: not booting after FW upgrade

-> start /system -script
Starting /System

-> start /host/console -script

Serial console started.  To stop, type #.
@(#)Hostconfig 1.4.2 2014/10/24 09:35
2015-04-03 19:10:20  0:0:0> NOTICE:  TPM is turned off
2015-04-03 19:10:29  1:0:0> NOTICE:  SPARC-T5 Revision 1.2  Speed 3600MHz
2015-04-03 19:10:29  0:0:0> NOTICE:  SPARC-T5 Revision 1.2  Speed 3600MHz
2015-04-03 19:10:36  0:0:0> NOTICE:  Initializing Memory
2015-04-03 19:11:33  0:0:0> NOTICE:  Initializing MCU 0 Memory Link 0
2015-04-03 19:11:50  0:0:0> NOTICE:  Initializing MCU 0 Memory Link 1
2015-04-03 19:12:07  0:0:0> NOTICE:  Initializing MCU 1 Memory Link 0
2015-04-03 19:12:23  0:0:0> NOTICE:  Initializing MCU 1 Memory Link 1
2015-04-03 19:12:39  0:0:0> NOTICE:  Initializing MCU 2 Memory Link 0
2015-04-03 19:12:55  0:0:0> NOTICE:  Initializing MCU 2 Memory Link 1
2015-04-03 19:13:11  0:0:0> NOTICE:  Initializing MCU 3 Memory Link 0
2015-04-03 19:13:27  0:0:0> NOTICE:  Initializing MCU 3 Memory Link 1
2015-04-03 19:13:48  0:0:0> NOTICE:  Pausing 120 seconds for Coherence Link tuning
2015-04-03 19:15:48  0:0:0> NOTICE:  Found optimal Coherence Link tuning
2015-04-03 19:17:14  0:0:0> NOTICE:  Booting config = factory-default
Hypervisor version: @(#)Hypervisor 1.13.2.b 2014/11/13 16:29

2015-04-03 18:53:12     SP> NOTICE:  Start Host in progress: Step 5 of 7
2015-04-03 18:53:13     SP> NOTICE:  Start Host in progress: Step 6 of 7
NOTICE: Entering OpenBoot.
2015-04-03 18:53:30     SP> NOTICE:  Start Host in progress: Step 7 of 7
NOTICE: Fetching Guest MD from HV.
NOTICE: Starting additional cpus.
NOTICE: Initializing LDC services.
NOTICE: Probing PCI devices.
Control-get failed   <----- System stops here, does not enter OBP

Changes

After firmware upgrade:
From: PATCH# 18544278  VERSION: 9.2.0.a (system was booting)
To: PATCH# 19264421 VERSION: 9.2.1.b (unable to boot)

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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