Rman jobs "Suspended on Agent Unreachable"

Running 10g r2 on Solaris 5.10 64 bit os.  I had some Oracle-suggested backups running that suddenly stopped.  When I looked into EM I found
"Suspended on Agent Unreachable"

I'm running dbcontrol so I don't know why agent is even an issue.  There was never an agent running on these instances as far as I know.
Any notions?
xoxomosAsked:
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gattu007Commented:
below metalink note may be helpful

Subject:  Enterprise Manager Grid Control 10g (10.1.0) Frequently Asked Questions
  Doc ID:  Note:273579.1
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xoxomosAuthor Commented:
This is Database Control.  I was confused and thought there was no agent but put in the command:

emctl status agent.
It came back saying agent was not running

Then emctl start agent
started the agent.
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