Re: [Bug #12391] Processor does not go below C2 state untilusb.autosuspend is enabled

[Pavel Machek]

On Sun 2009-01-11 12:41:04, Rafael J. Wysocki wrote:
> This message has been generated automatically as a part of a report
> of regressions introduced between 2.6.27 and 2.6.28.
> 
> The following bug entry is on the current list of known regressions
> introduced between 2.6.27 and 2.6.28.  Please verify if it still should
> be listed and let me know (either way).
> 
> 
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12391
> Subject		: Processor does not go below C2 state until usb.autosuspend is enabled
> Submitter	: Gergely Imreh <imrehg@xxxxxxxxx>
> Date		: 2009-01-09 02:35 (3 days old)

Are you sure that's regression? IIRC usb.autosuspend is needed for
C3. It is certainly needed if you have *any* usb device plugged in.

What hw is that?

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