0T12E IRRECOVERABLE CHANNEL ERROR ON cuu
Cause: A channel control check or interface control check occurred during an I/O operation
on the device at address cuu (channel and unit). CCH retry was not successful or the operation
could not be retried.
This is probably a hardware error.
System Action: If the 'accept irrecoverable I/O error" bit is not on in the user CCB, the job or
subtask is canceled. All irrecoverable DASD errors cause job or subtask cancelation. The error
is recorded on SYSREC. and system processing continues.
Programmer Action: none.
Operator Action: none.
Used with Courtesy and Permission of International Business Machines, Inc.