The usb-uhci and usb-ohci driver freezes with unicorn usb, because interrupt out
one-shot transfers are not supported correctly.
These patches applies to 2.4.21 pre/rc kernels and the kernel suppiled with Mandrake 9.1.
The patch for Mandrake 9.1 should apply cleanly, however the patch for 2.4.21-xxx may fail.
In this case, you can do the modification by hand.
