BADASSIGN, unable to assign Watch Point pseudo-device INSKIPPED, unreasonable instruction stream - n bytes skipped INVHEX, invalid hexadecimal value INVADR, invalid shared system address NOPRIV, no privilege for attempted operation TRUNCTT, Trace Table is truncated, n entries remaining System service messages may be returned if the the Watchpoint driver returns an error. SERFAIL, Unable to queue I/O request to WPA0: -- system service status: 28 The above system message indicates that the SYSGEN MAXBUF parameter has not been set to 64000.