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6-32 TCP/IP Ethernet Communications User’s Manual – January 1996
GFK-1004B
Table 6-10. Exception Log Event Codes - Continued
Log Event
Code Possible Cause and Resolution
Event “1c”
Channel API
events
Entry 6 of any Channel API exception is a code uniquely identifying the software
component of the Channel API which reported the exception.
Entry 2 (hexadecimal) codes are as follows:
1 “LAN system-software fault; resuming”
Internal error: The Channel API software encountered an internal use (as
opposed to user application use) of a channel number that is out-of-range.
Entry 3 contains the offending channel number.
3 “LAN data memor y exhausted-check par ms; resuming”
Internal error: An attempt to allocate a buffer failed. Entry 3 contains the
channel number. Entry 4 contains the number of bytes the Channel API was
attempting to allocate.
4 “LAN system-software fault; resuming”
Internal error: The Channel API detected the improper internal use of a
NULL pointer to a channel machine.
5 “LAN system-software fault: aborted assoc. & resuming”
Internal error: A Channel API event arrived in a channel machine state that
is not intended to handle the event.
Entry 3 contains the aborted channel number. Entry 4 contains a code
uniquely identifying the event. Valid event codes are:
1 TCP_DATA_RDY
2 TCP_ERROR
3 TCP_CONN_OK
4 TCP_FIN_RCVD
5 TCP_USER_RESET
6 TCP_CONN_IND
7 TCP_OKTOSND
8 BPX_FRESH_DATA
9 BPX_WR_DATA_ACK
a CMD_EC
b TIMER_INTERVAL
c TIMER_TIMEOUT
d XFER_ERROR
e END_OF_SWEEP
f UPDATE_WAIT_EXPIRE
6 “Backplane communications with PLC fault; lost request”
Internal error: An attempt to write to the user-specified reference address to
be used to hold the COMMREQ Status (CRS) bits failed internally. Entry 3
contains the CRS word value to be written. Entry 4 contains the Segment
Selector of the reference addressed. Entry 5 contains the (zero-based) Offset
of the reference address.