Re: [Bugme-new] [Bug 13624] New: usb: wrong autosuspend initialization

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On Thu, 25 Jun 2009, Andrew Morton wrote:

> > http://bugzilla.kernel.org/show_bug.cgi?id=13624
> > 
> >            Summary: usb: wrong autosuspend initialization

> > My optical usb mouse (Logitech MX500, 046d:c025) turns its LED off after 2
> > seconds of idling. That means I have to press a button to wake it up again.
> > 
> > This happens only if it's connected at bootup:
> > # cat /sys/bus/usb/devices/2-1/power/level
> > auto
> > 
> > then after I replug it:
> > # cat /sys/bus/usb/devices/2-1/power/level
> > on
> > 
> > which then results in the desired behaviour (LED stays on). This is new since
> > 2.6.30. I'm using the gentoo patchset, but I'll assume they didn't tamper with
> > usb autosuspend there.
> > 
> 
> Seems to be a 2.6.29->2.6.30 regression.

This should be rejected as a duplicate of Bug #13505.

Alan Stern

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