NonStop Operating System Event Management Programming Manual

Low-Level I/O Event Messages (ZGIO)
HP NonStop Operating System Event Management Programming Manual—520372-020
3-58
Messages
145: ZGIO-EVT-SCHANLTBUSRAC
A device controller did not perform a handshake correctly, or a parity error occurred on
the data returned during initial data transfer protocol.
Unconditional Tokens
Cause. This operation was aborted because of a command-and-response parity error
or a protocol error. If a protocol error occurred, the channel address has been
corrupted.
Effect. Data might be corrupted.
Recovery. If the error continues to occur, see Recovery Action Requiring Vendor
Support on page 3-13.
Subject: ZGIO-TKN-CHANNEL
Type of event: Channel-related
Potentially critical event: Yes
Action event: No
Message sender: Monitor process
TMDS collector: Yes
Unconditional Tokens
ZEMS-TKN-EVENTNUMBER token-type ZSPI-TYP-INT
ZEMS-MAP-EXIOADDR definition ZSPI-DDL-EXIOADDR
ZGIO-TKN-CHANNEL token-type ZSPI-TYP-UINT
ZGIO-TKN-RACWORD token-type ZSPI-TYP-BYTE-PAIR
Event-Message Text
DEVICE HANDSHAKE/PARITY ERROR DURING TBUS READ ADDRESS &
COMMAND
Token Description
ZEMS-TKN-EVENTNUMBER Event number for this message. Value is ZGIO-EVT-
SCHANLTBUSRAC (145).
ZEMS-MAP-EXIOADDR External (physical) I/O address.
ZGIO-TKN-CHANNEL Subject token that specifies the channel number for the
event.
ZGIO-TKN-RACWORD Often contains the device reconnect address following a
parity error.