Comment # 18 on bug 1149871 from Miroslav Bene��

(In reply to Michael Hirmke from comment #17)
> I'm not sure, if I can believe my own observations, but it seems, that the
> occurrence of the error message depends on the direction a device is plugged
> in!?!? What? I have a Thunderbolt plug and I have to obey the direction I
> plug in a device? Please tell me that I have a halluzination 8-<

If that's the case, it sounds like a cable issue to me?