Comment # 20 on bug 927677 from Franck Bui

Thanks but I can't see anything suspicious here.

After a quick look in udisks2 source code, it seems that udisks2 relies on
(udiskslinuxdrive.c:563):

  g_udev_device_get_parent_with_subsystem(device->udev_device, "usb",
"usb_interface");

in order to figure out if the device is connected to usb bus. In its turn this
function relies on udev_device_get_parent_with_subsystem_devtype() which is
part of libudev. It would be interesting to see what this function returns in
your case.

@Rosanne, are you comfortable with gdb ?