NonStop Operating System Event Management Programming Manual
HP NonStop Operating System Event Management Programming Manual—520372-020
16-1
16
Nonstop Operating System Message 
System Event Messages (ZIPC)
NonStop operating system message system event messages are reported to EMS by 
the monitor process on behalf of the message system. No other process reports these 
event messages.
Table 16-1. Message System Event Messages  (page 1 of 2)
Event Number and Symbolic Name Description
100: ZIPC-EVT-DET-SEQ-ERR
The reporting processor received an out-of-
sequence ServerNet message system 
interrupt packet from the problem processor.
101: ZIPC-EVT-DET-BAD-PKT-RCVD
The reporting processor received a ServerNet 
packet that was rejected by the problem 
processor. The reporting processor then sent 
a ServerNet NACK (not acknowledged) 
response to the problem processor.
102: ZIPC-EVT-DET-NACK-RCVD
The reporting processor sent a packet to the 
problem processor, and the problem processor 
responded with a ServerNet NACK response 
rejecting the packet.
103: ZIPC-EVT-DET-BAD-DID-PKT-RCVD
A ServerNet packet destined for a different 
processor was received by the reporting 
processor.
104: ZIPC-EVT-DET-UNEXP-PKT-RCVD
The reporting processor received a packet 
from the problem processor, but the reporting 
processor has declared the problem processor 
as down.
110: ZIPC-EVT-PATH-DOWN
The message system has brought down the 
path used by the reporting processor in order 
to communicate with the problem processor.
111: ZIPC-EVT-PATH-UP
The message system has resumed using a 
path from the reporting processor.
112: ZIPC-EVT-FABRIC-DOWN
The reporting processor’s connection to the 
ServerNet fabric has failed or it has been 
brought down.
113: ZIPC-EVT-FABRIC-UP
The reporting processor has recovered its 
connection to the ServerNet fabric.
114: ZIPC-EVT-FABRIC-STILL-DOWN
The connection between the indicated 
processor and the fabric has been down for 
over one hour.










