EHS error notification is described in Table 4–1.
Table 4–1 EHS Error Notification
Step
Action
1.
Entries are made into the system error log.
2.
Status information is written to the module ID NVRAM and the DCB, where
applicable.
3.
The LED indicator associated with a failed module is set.
4.
A call is issued to the error reporting interface (ERI) which reports the event to the
FTSS$SERVER. The server process generates OPCOM messages and reports the
events to a mailbox.
4.2.1 Basic Error Isolation and Handling
Figure 4–1 and Table 4–2 describe the error isolation and handling procedure.
Figure 4–1 Hardware Error Handling Flowchart
Hardware
Error
1
Interrupt
2
Fault
Detection
3
FRU
Isolation
4
Solid
Failure
A
NO
YES
5
Deconfigure
FRU
6
Fork to IPL8
7
Transient
Error
11
Make Error
Log Entry
12 − Notify
FTSS$SERVER
through ERI
13
Done
8
Treshold
Error
9
Over
Treshold
10
Deconfigure
FRU
A
NO
NO
YES
YES
MR−0495−92RAGS
IPL29
4–2 Error Handling and Analysis
