Cannot connect px4flow to macbook, no response

Hi
I connect px4flow to my macbook, and then open QGC, there is no response.It seems that it cannot auto connect.
Then i try to connect it manually, i click Comm Links and add a new serial link, baudrate is 57600, then it show this:

How can i do to solve it?

After I click “save app log” button, there is no log file to be saved, and the console output this:

Stable v3.2.4 for OSX should be available by tomorrow. This has the console log file saving fixed.

Here is the log file:

[D] at /Users/travis/build/mavlink/qgroundcontrol/src/QGCApplication.cc:259 - “Settings location “/Users/meteor/.config/org.qgroundcontrol/QGroundControl.ini” Is writable?: true”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/QGCLoggingCategory.cc:99 - “Filter rules “qt.network.ssl.warning=false\n*Log.debug=false\nLinkManagerLog.debug=true\nLinkManagerVerboseLog.debug=true\n””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/Vehicle/MAVLinkLogManager.cc:359 - “MAVLink logs directory: “/Users/meteor/Documents/QGroundControl/Logs””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/QtLocationPlugin/QGCMapEngine.cpp:215 - “Map Cache in: “/Users/meteor/Library/Caches/QGCMapCache300” / “qgcMapCache.db””
[D] at qrc:///qml/QGroundControl/ScreenTools/ScreenTools.qml:117 - “0.06901041666666667”
[D] at qrc:///qml/QGroundControl/FlightDisplay/GuidedActionsController.qml:129 - “_activeVehicle(0) _vehicleArmed(0) guidedModeSupported(0) _vehicleFlying(0) _vehicleInRTLMode(0) pauseVehicleSupported(0) _vehiclePaused(0) _flightMode()”
[D] at qrc:///qml/QGroundControl/FlightDisplay/GuidedActionsController.qml:129 - “_activeVehicle(0) _vehicleArmed(0) guidedModeSupported(0) _vehicleFlying(0) _vehicleInRTLMode(0) pauseVehicleSupported(0) _vehiclePaused(0) _flightMode()”
[D] at qrc:///qml/QGroundControl/Controls/SliderSwitch.qml:74 - “32 53”
[D] at qrc:///qml/QGroundControl/FlightDisplay/GuidedActionsController.qml:129 - “_activeVehicle(0) _vehicleArmed(0) guidedModeSupported(0) _vehicleFlying(0) _vehicleInRTLMode(0) pauseVehicleSupported(0) _vehiclePaused(0) _flightMode()”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/MAVLinkProtocol.cc:413 - “Orphaned log file count 1”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/MAVLinkProtocol.cc:416 - “Orphaned log file “/var/folders/gb/_hw66lt91sbgsrfwh1ztjkqr0000gn/T/FlightData178553.mavlink””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:461 - “New auto-connect UDP port added”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “incoming port - Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “incoming port - Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “incoming port - Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “incoming port - Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “incoming port - Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “incoming port - Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - "portName: “cu.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - "systemLocation: “/dev/cu.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - "description: “PX4 FLOW v1.3"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “3D Robotics””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - "serialNumber: “0"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 9900”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 21”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:515 - "Waiting for next autoconnect pass “/dev/cu.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - "portName: “tty.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - "systemLocation: “/dev/tty.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - "description: “PX4 FLOW v1.3"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “3D Robotics””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - "serialNumber: “0"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 9900”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 21”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:515 - "Waiting for next autoconnect pass “/dev/tty.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - Meteoripad-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “outgoing port - MeteoriPhone-WirelessiAP””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “cu.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/cu.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “incoming port - Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - “portName: “tty.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - “systemLocation: “/dev/tty.Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - “description: “incoming port - Bluetooth-Incoming-Port””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - “serialNumber: “””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 0”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - "portName: “cu.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - "systemLocation: “/dev/cu.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - "description: “PX4 FLOW v1.3"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “3D Robotics””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - "serialNumber: “0"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 9900”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 21”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:558 - "New auto-connect port added: “PX4 Flow on cu.usbmodem1 (AutoConnect)” “/dev/cu.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:487 - “-----------------------------------------------------”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:488 - "portName: “tty.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:489 - "systemLocation: “/dev/tty.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:490 - "description: “PX4 FLOW v1.3"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:491 - “manufacturer: “3D Robotics””
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:492 - "serialNumber: “0"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:493 - “vendorIdentifier: 9900”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:494 - “productIdentifier: 21”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/LinkManager.cc:558 - "New auto-connect port added: “PX4 Flow on tty.usbmodem1 (AutoConnect)” “/dev/tty.usbmodem1"”
[D] at /Users/travis/build/mavlink/qgroundcontrol/src/comm/SerialLink.cc:212 - “open failed “Resource busy” QSerialPort::SerialPortError(PermissionError) “/dev/tty.usbmodem1” true”

I use same version on windows, and it has the same problem.
Then I download a old version(3.1.3) on windows and connect the px4flow, everything is ok.

Can you move this into a GitHub Issue https://github.com/mavlink/qgroundcontrol/issues including the log output. Then we can continue the discussion there? Don’t want to lose this bug in the forum

OK
I download V3.1.3 on my mac and connect px4flow, it also works well.
So I think it is the problem of version 3.2 of the QGC.