Re: NEC HCD interrupt message limitation

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On Wed, 13 May 2009, Dwayne Fontenot <dwayne.fontenot@xxxxxxx> wrote:

> I have gathered data from /sys/kernel/debug/ehci and it looks interesting.
> Does this tell us anything useful?

I'm afraid it doesn't.  The differences between the Intel and NEC 
output are caused by differences in the capabilities of the two 
controllers.

> Does it still look like a hardware bug?

Yes.  To be certain you would need to use a USB bus analyzer.

Alan Stern

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