NonStop Operating System Event Management Programming Manual

Interprocessor Bus Event Messages (ZIPB)
HP NonStop Operating System Event Management Programming Manual—520372-020
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Messages
Unconditional Tokens
Cause. Errors occurred in the transmission of a message over the IPB.
Effect. If there are more than 10 of these errors, the operating system disables
reception on the bus experiencing the CRC errors and issues the ZIPB-EVT-MASKINT
(113) event message If no errors occur in an interval of 19.2 seconds, the CRC error
counter is reset to 0.
Recovery. This is an informational message only; no corrective action is needed.
Token Description
ZEMS-TKN-EVENTNUMBER Event number for this message. Value is ZIPB-EVT-
BUSCRCERROR (114).
ZIPB-TKN-BUS Is the subject token that specifies the bus. Value is either 0
(X bus) or 1 (Y bus).
ZIPB-TKN-RPTCPU Processor number of the processor that received the CRC
error. This processor is reporting the bus error.
ZIPB-TKN-CRCERRORS Number of CRC errors received.
ZIPB-TKN-PRBCPU Processor number of the processor that caused the CRC
error. This processor is sending the message that caused
the bus error.