line 1827 ~ 1830  of client.c, 

if (ping_timeout > 1013) {
        gf_log (this->name, GF_LOG_WARNING, "Reconfiguration"     
                "'option frame-timeout %d failed , Max value"                                         
                "can be 1013,", frame_timeout); 

should be

if (ping_timeout > 1013) {
        gf_log (this->name, GF_LOG_WARNING, "Reconfiguration"     
                "'option ping-timeout %d failed , Max value"                                         
                "can be 1013,", ping_timeout);