Fix is staged by Matt and believed to work.  Will move to POST today.

Candidate fix pushed to downstream ceph-2-rhel-patches (4ff559a5f68a1abce98d8581a8380049c80a9cf7)

Verified on ceph-radosgw-10.2.2-26.el7cp.x86_64,nfs-ganesha-rgw-2.3.2-2.el7cp.x86_64.


With changes in ganesha.conf file 
EXPORT
{
        Export_ID=1;

        Path = "/";

        Pseudo = "/";

        Access_Type = RW;

        NFS_Protocols = 4;

        Transport_Protocols = TCP;

        FSAL {  
                Name = RGW;
                User_Id = "testuser";
                #Access_Key_Id ="DWZTH1L0026F2E8KQBET";
                #Secret_Access_Key = "WWuhMtP4expuCiOkY7NBCCiaOas9CVwi0PDv2e0i";
                Access_Key_Id ="HDNVALF2LQ61MBB2C39B";
                Secret_Access_Key = "fP4aVjon7HOfdFFVtVrpsVjxzuDb33BpKTV20brE";
        }
}

RGW {
    name = "client.rgw.magna116";
    ceph_conf = "/etc/ceph/ceph_ganesha.conf";
    init_args = "--randomvar=specialk";
}
NFSV4 {
    # testing only, truncate grace period for faster restarts
    Graceless = true;
    #new in 2.4, only_numeric_owners should be enabled for RGW
    #Only_Numeric_Owners = true;
}

# logging directives--be careful
LOG {
        # Default_Log_Level is unknown token??
        Default_Log_Level = NIV_FULL_DEBUG;
        Components {
                #ALL = FULL_DEBUG;
                MEMLEAKS = FATAL;
                FSAL = DEBUG;
                NFSPROTO = FATAL;
                NFS_V4 = FULL_DEBUG;
                EXPORT = FATAL;
                FILEHANDLE = FATAL;
                DISPATCH = DEBUG;
                CACHE_INODE = FULL_DEBUG;
                CACHE_INODE_LRU = FATAL;
                HASHTABLE = FATAL;
                HASHTABLE_CACHE = FATAL;
                DUPREQ = FATAL;
                INIT = DEBUG;
                MAIN = FATAL;
                IDMAPPER = FATAL;
                NFS_READDIR = DEBUG;
                NFS_V4_LOCK = FATAL;
                CONFIG = FATAL;
                CLIENTID = FATAL;
                SESSIONS = FATAL;
                PNFS = FATAL;
                RW_LOCK = FATAL;
                NLM = FATAL;
                RPC = FATAL;
                NFS_CB = FATAL;
                THREAD = FATAL;
                NFS_V4_ACL = FATAL;
                STATE = FATAL;
#               9P = FATAL;
#               9P_DISPATCH = FATAL;
                FSAL_UP = FATAL;
                DBUS = FATAL;
        }
        Facility {
                name = FILE;
                destination = "/tmp/ganesha-rgw.log";
                enable = active;
        }
}



ganesha starts fine . hence marking this as verified.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-1755.html