Memory error corrected by processor

From: <cyrmiche_at_sidoci.qc.ca>
Date: Thu, 03 Aug 1995 17:28:22 cdt

I managers,

I've received a "Memory error corrected by processor" message today on
my 3000/900 (Digital UNIX 3.2a).

uerf output : "SINGLE BIT ERROR IS NO ERRORS" ???

Does that means that i can ignore such an error, or should i consider
to call DEC for memory replacement ?

And if so how critical is such an error ? (This machine is very
critical for me !)

I'm including /usr/adm/message error message and the output of uerf.

Thank's in ADVance (will SUMMARIZE)

Console message and /usr/adm/message :

Aug 3 14:03:22 sibd001 vmunix: Memory error corrected by processor
Aug 3 14:03:22 sibd001 vmunix: biu_stat = 0000000000001340
Aug 3 14:03:22 sibd001 vmunix: biu_addr = 0000000000108018
Aug 3 14:03:22 sibd001 vmunix: dc_stat = 0000000000000003
Aug 3 14:03:22 sibd001 vmunix: fill_syndrome = 0000000000000034
Aug 3 14:03:22 sibd001 vmunix: fill_addr = 000000000c6873b8
Aug 3 14:03:22 sibd001 vmunix: bc_tag = 0000000000004214
Aug 3 14:03:22 sibd001 vmunix: ident = 0

uerf -o full -R :
                                                  uerf version 4.2-011
(122)


************************** ENTRY 1.******************************

----- EVENT INFORMATION -----

EVENT CLASS ERROR EVENT
OS EVENT TYPE 100. CPU EXCEPTION
SEQUENCE NUMBER 1.
OPERATING SYSTEM DEC OSF/1
OCCURRED/LOGGED ON Thu Aug 3 14:03:22 1995
OCCURRED ON SYSTEM sibd001
SYSTEM ID x00060004 CPU TYPE: DEC 3000
SYSTYPE x00000000

----- UNIT INFORMATION -----

UNIT CLASS CPU

----- KN15AA CPU 630/620 STACK FRAME -----

PROCESSOR OFFSET x00000018
SYSTEM OFFSET x00000048
BIU_STAT x0000000000001340
                              BIU_CMD CYCLE CLASS IS READ_BLOCK
                              FILL_ECC PRI. CACHE FILL FROM EXT.
                              _CACHE HAD ECC ERROR
BIU_ADDR x0000000000108018
                              PHYSICAL ADDRESS OF CACHE BLOCK WITH ERR
OR IS x8400
DC_STAT x0000000000000003
                              DC_HIT LAST LOAD OR STORE MISSED
                              _DCACHE
                              OPCODE RA FIELD - INTEGER REGISTER IS R0.
FILL_SYNDROME x0000000000000034 SINGLE BIT ERROR IS DATA BIT 15
                              SINGLE BIT ERROR IS NO ERRORS
FILL_ADDR x000000000C6873B8
                              PHYSICAL ADDRESS OF QUADWORD WITH ERROR
                              x63439D
BC_TAG x0000000000004214
                              D BIT - CACHE BLOCK DIRTY
                              V BIT - CACHE BLOCK VALID
                              TAG ADDRESS IS x210
INT_EXC_IDENT x0000000000000000
                              INTERRUPT OR EXCEPTION IS NONE

****************************** ENTRY 2.*******************************


Michel Cyr
SIDOCI enr.
IST-Integration inc.
(514)252-4333 ex 258
Michel.Cyr_at_sidoci.qc.ca
Received on Thu Aug 03 1995 - 23:39:20 NZST

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