HSRP issues and flapping links and vlans

Hi
My network is having some issues to do with a certain vlan and HSRP. We have 2 x 6509 switches as the distribution switches and access layer stacks. HSRP is running between the 2 6509 switches.
Solarwinds shows the following output when the issues occur
29/11/2014 16:39:26 192.168.10.2 Warning 1166: 001179: Host 0060.d501.9bcf in vlan 101 is flapping between port Gi0/1 and port Fa0/1
About the same time a number of ports on vlan 101 on an access switch start dropping and coming up again. This was followed by the two 6509 switches reporting a large number of vlans switch back and forth between active and standby state in HSRP causing considerable problems on the network. We pulled the plug on the access switch but it didn't resolve the problem.
We had similar behaviour few days ago This time it continued until we shut down one of the 6509s. When we brought it up again la few hours later the problem didn't reoccur. The problem seems to be centred on our vlan 101
Has anyone experienced these sort of issues before or give me a clue what the issue may be. Seems like issues with vlan 101 cause the hsrp states to change but vlan 101 is not used for hsrp.
Thanks

Hi,
HSRP could be a victim here. Main issue could be related to spanning tree flapping or loop.
HTH
Amit

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