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             AUSCERT External Security Bulletin Redistribution

                        ESB-2008.0277 -- [Solaris]
 Dynamic Reconfiguration (DR) "deleteboard" and "moveboard" Operations May
            Hang on a SPARC Enterprise M4000/M5000/M8000/M9000
                               13 June 2008

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Dynamic Reconfiguration
                      SPARC Enterprise M4000
                      SPARC Enterprise M5000
                      SPARC Enterprise M8000
                      SPARC Enterprise M9000
Publisher:            Sun Microsystems
Operating System:     Solaris
Platform:             SPARC
Impact:               Denial of Service
Access:               Existing Account

Original Bulletin:  
  http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-66-234601-1

Revision History:  June  13 2008: Resolution released
                   March 17 2008: Initial Release

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   Solution Type: Sun Alert
   Solution  234601 :   Solaris 10 Under Certain Conditions, Dynamic
   Reconfiguration (DR) "deleteboard" and "moveboard" Operations May Hang
   on a SPARC Enterprise M4000/M5000/M8000/M9000          
   Bug ID: 6614737, 6585487

   Product
   SPARC Enterprise M4000
   SPARC Enterprise M5000
   SPARC Enterprise M8000
   SPARC Enterprise M9000
   Solaris 10 Operating System

   Date of Workaround Release: 12-Mar-2008
   Date of Resolved Release: 11-Jun-2008

   SA Document Body

   Solaris 10 Under Certain Conditions, Dynamic Reconfiguration (DR) 
   "deleteboard" and "moveboard" Operations May Hang.  See details below

   1. Impact

   SPARC Enterprise M4000/M5000/M8000/M9000 servers with patch 127111-09
   or later  installed may hang during Dynamic Reconfiguration (DR)
   "deleteboard" or "moveboard" operations.

   2. Contributing Factors

   This issue can occur on the following platforms:
     * Solaris 10 on SPARC Enterprise M4000/M5000/M8000/M9000 Servers
       with patch 127111-09 or later and without patch 137111-01

   Note: The described issue only occurs during a DR "deleteboard" or
   "moveboard" operation on systems that contain mixed memory sizes or
   have degraded memory.
   To determine  if a system has degraded memory,  run the prtdiag(1M)
   command on the domain:
       # prtdiag
       ============================ Memory Configuration
   ============================
        Memory  Available                  Memory   DIMM      #
   of          Mirror   Interleave
        LSB     Group   Size                Status       Size
   DIMMs   Mode    Factor
        00       A          8192MB          okay       2048MB
   4             no        2-way
        00       B          8128MB          okay      2048MB
   4             no        2-way  <-- Degraded
        01       A          8192MB           okay       2048MB
   4             no         2-way
        01       B          8192MB           okay       2048MB     4
           no         2-way
        02       A          8192MB           okay       2048MB
   4             no         2-way
        02       B          8192MB           okay       2048MB
   4             no         2-way
        03       A          8192MB           okay       2048MB
   4             no         2-way
        03       B          8192MB           okay       2048MB
   4             no         2-way

   To determine if the system has mixed memory sizes installed,  run the
   "showdevices" command from the xscfu:
       XSCF> showdevices -d0
       Memory
       board         perm           base
   domain                            target        deleted remaining
       DID XSB   mem MB    mem MB      address
   mem MB  XSB   mem MB  mem MB
       00  00-0   16384          0                  0x0000018000000000
   81920
       00  01-0   32768          0                  0x0000000000000000
   81920
       00  03-0   32768          2716            0x000003c000000000
   81920
                       ^^^^^
   
   3. Symptoms

   Should the described issue occur, the DR command will not complete and
   a reboot will be required to reset the domain.

   4. Workaround

   If the conditions described above exist, shutdown the domain to safely
   remove the hardware.

   5. Resolution

   This issue is addressed on the following platforms:
     * Solaris 10 on SPARC Enterprise M4000/M5000/M8000/M9000 Servers
       with patch 137111-01 or later

   This Sun Alert notification is being provided to you on an "AS IS"
   basis. This Sun Alert notification may contain information provided by
   third parties. The issues described in this Sun Alert notification may
   or may not impact your system(s). Sun makes no representations,
   warranties, or guarantees as to the information contained herein. ANY
   AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
   WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
   NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT
   YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
   INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE
   OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN.
   This Sun Alert notification contains Sun proprietary and confidential
   information. It is being provided to you pursuant to the provisions of
   your agreement to purchase services from Sun, or, if you do not have
   such an agreement, the Sun.com Terms of Use. This Sun Alert
   notification may only be used for the purposes contemplated by these
   agreements.
   Copyright 2000-2008 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved

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