| Infodoc ID |
|
Synopsis |
|
Date |
| 7113 |
|
how to determine cause of a system fault at ok prompt |
|
26 Feb 1996 |
The following is useful information on how to determine the
cause of a system crash at the ok prompt, using the open boot commands.
The Synchronous Fault Status Register (SFSR) provides information
on exceptions (faults) issued by the Memory Management Unit (MMU).
At the the ok prompt type:
.sfsr
Look at the fault type (FT). This number is in hexadecimal
format and means:
0 no error
1 Invalid address error
2 Protection error
3 Privilege violation error
4 Translation error
5 Access bus error(timeout)
6 Internal error
7 -reserved
SOLUTION SUMMARY:
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