PROBLEM:  (MGO11678A) (PATCH ID: OSF445-006)
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This patch fixes a kernel memory fault when using ATM.  The stack trace
will contain the following components:

    trap
    _XentMM
    prf
    printf
    atm_cmm_st_null_icp
    atm_cmm_progress_con
    atm_cmm_new_call