Does it possible that this ORA error realete with problem:

LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
TNS-12541: TNS:no listener
TNS-12560: TNSrotocol adapter error
TNS-00511: No listener
IBM/AIX RISC System/6000 Error: 2: No such file or directory
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=********)(PORT=*******)))
STATUS of the LISTENER
------------------------
Alias *****
Version TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0.3.0 - Production
Start Date 08-MAR-2009 15:02:52
Uptime 59 days 21 hr. 30 min. 31 sec
Trace Level off
.........
(to be continue)

and

LSNRCTL> services
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
TNS-12541: TNS:no listener
TNS-12560: TNSrotocol adapter error
TNS-00511: No listener
IBM/AIX RISC System/6000 Error: 2: No such file or directory
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=************)(PORT=*****)))
Services Summary...
Service "*****" has 1 instance(s).
.......(to be continue)

Listener is running and connection to the database is ok.