Re: cannot submit urb 0, error -22: internal error followed by USB hung tasks

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Lassi Väätämöinen wrote:
> So apparently the USB 2.0 hub has a "transaction translation" going on, 
> when connecting a USB 1.1 device to it.

Yep.


> And due to the translation, the 1.1 device shows up as USB 2.0 (EHCI)
> device to the OS/driver. Did I get this correctly?

Not this second part. The OS still knows that the device is low/full
speed, and talks in a special way with the TT in the hub, in order to
drive the correct low/full speed communication between the hub and
the device.


//Peter
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