ia64 hp server rx2660 memory dumping issue

[SYED SHAJEE WADOOD]

Hi , i am a newbie for integerity and HP UX related issues. a customer of mine reported memory dumping error on one of there rx 2660 server with HP UX. i have collected the logs and found the following information

System Firmware Revision : 01.05
BMC Revision : v05.06

Memory Board Inventory

DIMM Location Size(MB) DIMM Location Size(MB)
-------------------- -------- -------------------- --------
Ext 0 DIMM 0A 2048 Ext 0 DIMM 0B 2048
Ext 0 DIMM 1A 2048 Ext 0 DIMM 1B 2048
Ext 0 DIMM 2A 2048 Ext 0 DIMM 2B 2048
Ext 0 DIMM 3A 2048 Ext 0 DIMM 3B 2048

Ext 0 Total: 16384 (MB)

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

Memory Error Log Summary

DIMM Location Error Address Error Type Page Count
---------------------- ---------------- ---------- ------------- -----
RANK 2 0x13863ad80 Multi-Bit 0x13863a N/A
System start: Thu Jun 26 16:06:51 2008.
Last error detected: Thu Jun 26 16:06:51 2008.
Logging interval: 900 seconds.
1 address(es) with errors logged in memory error log.

The Logtool Utility provides full details about the memory error log.

Page Deallocation Table (PDT)

DIMM Location Error Address Error Type Page
---------------------- ---------------- ---------- -------------
RANK 2 0x13863ad80 Multi-Bit 0x13863a

PDT Entries Used: 1
PDT Entries Free: 99
PDT Total Size: 100
........
this states multi bit error rate. im used to proliant environment hence hesitating a little. should i replace DIMM from location 2 to resolve the issue.

thanks n regards,

Syed Shajee Wadood

[Torsten.]

The chipset of this server in combination with the DIMMs is able to recover even multibit errors without affecting the running OS.

I would reboot the server to allow the system to test the memory and monitor the memory.