Sample Error Log Entries; Machine Check 660 Error - Compaq AlphaServer GS60E Service Manual

4.5

Sample Error Log Entries

4.5.1

Machine Check 660 Error

You can identify problem FRUs in an error log entry by checking the
contents of the registers against the parse trees.
The following steps (relating to the callouts in Example 4-5) isolate the error
and the FRU most likely responsible.
Table 4–3 Parsing a Sample 660 Error (Example 4-5)
–
This line identifies the error log entry as a machine check 660 error.
—
The parse tree for machine check 660 errors starts with the C_STAT
register. DOUBLE BIT FILL ERR is set.
˜
The TLBER register is next in the parse tree. UNCORRECTABLE DATA
ERROR is set.
™
The TLBER register on the memory module is set to an
UNCORRECTABLE DATA ERROR, indicating that the source of the 660
is a memory module.
Example 4-5 Sample Machine Check 660 Error Log Entry
**************** ENTRY
Logging OS
System Architecture
Event sequence number
Timestamp of occurrence
Host name
System type register
Number of CPUs (mpnum)
CPU logging event (mperr) x00000000
Event validity
Event severity
Entry type
4-8 Service Manual
1 ***********************
2. Digital UNIX
2. Alpha
8.
x0000000C
x00000002
1. O/S claims event is valid
1. Severe Priority
100. Machine Check Error - (major class)
1. - (minor class)
01-OCT-1999 22:12:32
clyp01
AlphaServer GS60E67/700