The z/VM *MONITOR record device driver receives monitor records through
an IUCV connection to the z/VM *MONITOR system service. This connection
has been severed and the read function of the z/VM *MONITOR device driver
returns EIO. All data received since the last read with 0 size is incorrect.
User response
Disregard all monitor data read since the last read with 0 size. Close and
reopen the monitor record device. For information about the IPUSER SEVER
return codes see "z/VM Performance".