Comment # 25 on bug 927677 from Franck Bui

Thanks.

The log shows:

 2050 g_udev_device_get_parent_with_subsystem(0x7f7690002340, 0x43fee7,
0x442641, 0)                 = 0x21008a0
 [...]
 2050 g_udev_device_get_parent_with_subsystem(0x1fad100, 0x43fee7, 0x442641, 0)
                     = 0x2100900

This seems to indicate that udev_device_get_parent_with_subsystem_devtype()
doesn't fail as it was suggested in comment #9.

So unless I'm mistaken, libudev isn't the culprit and we should instead looking
at udisks itself and figure out why the connection bus for the drive is not
"usb" at the time its value is queried.

I was told that 
I'm reassigning to for now.