Re: additional debug output for autosuspend in cdc-ether

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Am Donnerstag, 29. Oktober 2009 16:53:22 schrieb Alan Stern:

> Unforunately there is a race between ehci_bus_suspend() and ehci_irq();
> if a remote wakeup notification arrives at the wrong time it will be
> ignored.  I have known about this for a while but haven't done anything
> because it didn't seem to be particularly urgent or easy to trigger
> (it's a 20-ms window).

I see. Unfortunately it is 1% of the standard 2s period. In a few 1000
periods if you aggressively suspend, you'll hit that window.

	Regards
		Oliver

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