Running Sun Fire V480R on a single cpu-Urgent

I have a sun fire v480r server. it has 2 cpu. One of cpu have become faulty. Now i want to run server on a single cpu. My service provider says it cant be done, you have to replace the motherboard. Can it be done? If so do some settings need to be changed in solaris. I have search for documentation on the net but have found nothing. I will appreciate if somebody helps me.
Thanks

depends on the error, they might have noticed that the motherboard failed maybe?
what are you asking here w/o any outputs? How would we know to justify what you're saying is true, that CPU failed?
I think what they say is true. The board comes with the processor, if Im not wrong. You will only need to swap the DIMMs over to the new board

A 'prtdiag -v' would help! Did you look in /var/adm/messages? What kind of errors does that list?

You can offline CPU's in Solaris; take a look at the man pages for 'psradm'

Exactly what Im looking for.. the errors in the messages file.:stuck_out_tongue:

Thanks for replies. This is diagnostic log

<*>
Hardware Power On
FATAL: ???power-on-reset with FATAL flags set

@(#)OBP 4.13.0 2004/01/19 18:26 Sun Fire 480R
Front Panel Keyswitch is in Diagnostic position.
Online: CPU2*
Validating JTAG integrity...Done
Disabling DAR error circuitry...Done
Clearing DCS error circuitry state...Done
Initializing DTL circuitry state...Done
Initializing CDX via JTAG...Done
Enabling DAR error circuitry...Done

Probing Centerplane....part# 501-6790-02 serial# 014892
  Safari min 100MHz, cumulative 100MHz;  max 150MHz, cumulative 150MHz
  'STICK' clock 10MHz; BootBus timing 014f.99fd.a7e6.3f29
Probing I/O Riser......part# 501-5820-04 serial# 075970
Probing System RSC.....part# 501-5856-06 serial# 273318
Probing PwrDistBoard...part# 375-3006-05 serial# M79563
Probing PowerSupply0...part# 300-1480-05 serial# N62553
Probing PowerSupply1...part# 300-1480-05 serial# N62464
Probing FCAL BPlane0...part# 501-5822-04 serial# 078804
Probing GPTwo Slot A...part# 501-6164-02 serial# 071451
  Safari min 100MHz, cumulative 100MHz;  max 150MHz, cumulative 150MHz
  CPU rated speed 1200MHz; ECache 8MB 3.3ns
Probing GPTwo Slot B...No module detected

Desired Safari Bus speed 150MHz, selecting 150MHz
Configuring CPUs..........
... CPU2 Rated Speed 1200MHz, Safari 150MHz, want 8:1, got 8:1 ==> CPU 1200MHz
         Ecache 8MB 3.3ns mode=5-4-4 2-way ECCR: 0000.0000.0343.4c00 Done
Setting system speed (and resetting)...
<*>
Set Speed Reset

@(#)OBP 4.13.0 2004/01/19 18:26 Sun Fire 480R
Front Panel Keyswitch is in Diagnostic position.
Online: *CPU2 Ultra-III+ (v11.1) 8:1 1200MHz 8MB 4:1 ECache 
Executing Power On SelfTest w/%o0 = 0000.0000.0001.4042
2:0>

2:0>@(#) Sun Fire[TM] V480 POST 4.13.0 2004/02/12 19:17 

       /export/common-source/firmware_re/post/post-build-4.13.0/Camelot/cstone/integrated  (firmware_re)  

2:0>Copyright � 2004 Sun Microsystems, Inc. All rights reserved

  SUN PROPRIETARY/CONFIDENTIAL.

  Use is subject to license terms.

2:0>Jump from OBP->POST.

2:0>Keyswitch in DIAGNOSTIC POSITION.

2:0>Diag level set to MAX.

2:0>Verbosity level set to 0.

2:0>MFG scrpt mode set NORM 

2:0>I/O port set to serial TTYA.

2:0>

2:0>Start selftest...

2:0>CPUs present in system: 2:0

2:0>Test CPU(s).....

2:0>Init CPU

2:0>    UltraSparc_III_plus Version 11.1

2:0>DMMU Registers Access

2:0>DMMU TLB DATA RAM Access

2:0>DMMU TLB TAGS Access

2:0>IMMU Registers Access

2:0>IMMU TLB DATA RAM Access

2:0>IMMU TLB TAGS Access

2:0>Probe Ecache

2:0>    Size = 00000000.00800000...

2:0>Ecache Data Bitwalk

2:0>Ecache Address Bitwalk

2:0>Scrub and Setup Ecache

2:0>Setup and Enable DMMU

2:0>Setup DMMU Miss Handler

2:0>Test and Init Temp Mailbox

2:0>

2:0>ERROR: TEST = Check cpu synch var CPU 0

2:0>H/W under test = CPU0 Basic, Motherboard/Centerplane

2:0>Repair Instructions: Replace items in order listed by 'H/W under test' above.

2:0>MSG = CPU 0:0 failed BBC SRAM access, offline cpu.

2:0>END_ERROR


2:0>

2:0>ERROR: TEST = Check cpu synch var CPU 0

2:0>H/W under test = CPU0 Basic, Motherboard/Centerplane

2:0>Repair Instructions: Replace items in order listed by 'H/W under test' above.

2:0>MSG = 

     *** Test Failed!! ***


2:0>END_ERROR


2:0>

2:0>ERROR: TEST = Check cpu synch var CPU 0

2:0>H/W under test = CPU0 Basic, Motherboard/Centerplane

2:0>Repair Instructions: Replace items in order listed by 'H/W under test' above.

2:0>MSG = ERROR:    Fatal CPU error on master, rolling over to new master.

2:0>END_ERROR


2:0>Soft Reset.

2:0>

2:0>ERROR: TEST = Power on Reset Initialization

2:0>H/W under test = CPU2 Basic, Motherboard/Centerplane

2:0>Repair Instructions: Replace items in order listed by 'H/W under test' above.

2:0>MSG = Watchdog timeout, Master CPU Failure on 2:0, rollover to 2:0.

2:0>END_ERROR


2:0>ERROR:    No good CPUs left!  Calling debug menu.

2:0>    0    Peek/Poke interface

2:0>    1    Dump DAR Error Bits

2:0>    2    Dump Scan Chain

2:0>    3    Dump CPU Regs

2:0>    4    Dump BBC Regs

2:0>    5    Dump Mem Controller Regs

2:0>    6    Dump Valid DMMU entries

2:0>    7    Dump IMMU entries

2:0>    8    Dump Struct Info

2:0>    9    Dump Mailbox

2:0>    a    Dump IO-Bridge regs unit 0 

2:0>    b    Dump IO-Bridge regs unit 1 

2:0>    c    Allow other CPUs to print

2:0>    d    Do soft reset

2:0>    ?    Help

2:0>

2:0>Selection:

---------- Post updated at 07:54 AM ---------- Previous update was at 07:52 AM ----------

This is syslog when system used to reboot. Now system does not start and the maintainence light is on

2010-01-15 10:34:54    Kernel.Notice    172.16.5.192    Jan 15 10:36:15 genunix: [ID 540533 kern.notice] <013>SunOS Release 5.8 Version Generic_108528-29 64-bit
2010-01-15 10:34:54    Kernel.Notice    172.16.5.192    Jan 15 10:36:15 genunix: [ID 913632 kern.notice] Copyright 1983-2003 Sun Microsystems, Inc.  All rights reserved.
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 pcisch: [ID 104478 kern.warning] WARNING: pcisch1: ino 0x5 has been blocked
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 pcisch: [ID 486037 kern.warning] WARNING: ce0: interrupt #1 has been blocked
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 pcisch: [ID 559693 kern.warning] WARNING: pcisch1: ib_ino_add_intr: ino 0x5 has been unblocked

---------- Post updated at 07:56 AM ---------- Previous update was at 07:54 AM ----------

system does not start now and maintenance light is on. This is syslog when system used to reboot automatically.

2010-01-15 10:34:54    Kernel.Notice    172.16.5.192    Jan 15 10:36:15 genunix: [ID 540533 kern.notice] <013>SunOS Release 5.8 Version Generic_108528-29 64-bit
2010-01-15 10:34:54    Kernel.Notice    172.16.5.192    Jan 15 10:36:15 genunix: [ID 913632 kern.notice] Copyright 1983-2003 Sun Microsystems, Inc.  All rights reserved.
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 pcisch: [ID 104478 kern.warning] WARNING: pcisch1: ino 0x5 has been blocked
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 pcisch: [ID 486037 kern.warning] WARNING: ce0: interrupt #1 has been blocked
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 unix: [ID 882636 kern.warning] WARNING: interrupt level 6 not serviced
2010-01-15 10:34:55    Kernel.Warning    172.16.5.192    Jan 15 10:36:21 pcisch: [ID 559693 kern.warning] WARNING: pcisch1: ib_ino_add_intr: ino 0x5 has been unblocked

---------- Post updated at 08:00 AM ---------- Previous update was at 07:56 AM ----------

This is the error messages in diagnostic log

---------- Post updated at 08:04 AM ---------- Previous update was at 08:00 AM ----------

Thanks for replies. These are the errors in diagnostic log

When system is powered up, its maintence light is on. I have attached the diagnostic log and syslog.

You either lost all CPU's or the mainboard is my guess