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  1. Qt Creator
  2. QTCREATORBUG-20958

[Reg: 4.6.2 -> 4.7.0] Cannot establish USB connection to a device

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    • c3b5e5918e6c248af60445ce0ec9a922032ddf2d

    Description

      After updating Qt Creator to 4.7.0 the USB connection cannot be established. At first the connection seems to get up fine, but it disconnects almost immediately and reconnects just to be disconnected again. This reconnect-disconnect loop then continues forever. With previous versions of Qt Creator USB debugging worked just fine.

      Please find qdb.log attached. 

      I: qdb.usb: Could not get config descriptor for device at 2 : 1 : LIBUSB_ERROR_NOT_FOUND
I: qdb.usb: Could not get config descriptor for device at 1 : 1 : LIBUSB_ERROR_NOT_FOUND
I: qdb.usb: Could not get config descriptor for device at 3 : 1 : LIBUSB_ERROR_NOT_FOUND
W: qdb.usb: Access to USB device at 1 : 8 was denied. Check the manual for setting up access to USB devices.

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            kari.oikarinen Kari Oikarinen
            qtcomsupport Qt Support
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