Am Dienstag, 22. Mai 2007 18:50 schrieb Jiri Kosina:
> I think that this is unfortunately not true. Let's take system with
> multiple keyboards and their LEDs as an excellent example again. If you
> kill the interrupt URB, there is nothing what will prevent other keyboard
> (PS/2 or even USB keyboard, which is not yet suspended) to generate an
> input event (user presses CapsLock/NumLock at a 'right' time). Then you'll
> get out of sync, won't you?
Not only will you get out of sync, you'll activate DMA on a system
going to snapshot or switching off DMA coherence. This box will
suffer memory corruption.
Regards
Oliver
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