Question : Catalyst 4006 CATos %SYS-4-P2_WARN Host is flapping

Error:  2008 Jun 24 14:06:23 CST +00:00 %SYS-4-P2_WARN: 1/Host 00:00:74:a7:d8:56 is flapping between port 2/7 and port 2/43
Cisco Catalyst 4006 running CatOS 8.4(11) continues to flap ports between uplink to another switch and a host port.  The host port has been set with channel mode to off, spanning tree PortFast enabled, and trunk mode is off.

Answer : Catalyst 4006 CATos %SYS-4-P2_WARN Host is flapping

Thanks All..I ended up replacing both my Layer 3 card and my sup.