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Symptom


The Agent fails to start with errors such as:

Unable to set default name check option

And:

Program terminating abnormally!

Cause


The Agent will not run when the PAX RANDMMAP option is enabled for the agent binary.

The goal of PaX RANDMMAP is to introduce randomness into memory regions handled by the do_mmap() kernel interface. Read more in http://pax.grsecurity.net/docs/randmmap.txt.

Resolution


The agent runs properly when:

  • The PAX RANDMMAP option is disabled for the CDP binary.
    -Or-
  • CDP Server is started with the -d flag.

Run:

paxctl -r /usr/sbin/r1soft/bin/cdp

And:

paxctl -r /usr/sbin/r1soft/2-6/cdp-2-6

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