linux-kernel - Re: linux-2.6.30rc1 mouse stuck with usb autosuspend enabled

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Message-Id: <200904161543.06238.oliver@neukum.org>
Date:	Thu, 16 Apr 2009 15:43:04 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Corrado Zoccolo <czoccolo@...il.com>, linux-usb@...r.kernel.org
Cc:	Jiri Kosina <jkosina@...e.cz>, oliver@...kum.name,
	"Linux-Kernel" <linux-kernel@...r.kernel.org>
Subject: Re: linux-2.6.30rc1 mouse stuck with usb autosuspend enabled

Am Donnerstag 16 April 2009 14:45:12 schrieb Corrado Zoccolo:
> > Your mouse (as many other mice out there) doesn't emit wakeup event on
> > movement, it only does on button click. There is nothing kernel can do
> > about it. This is one of the reasons why autosuspend is disabled by
> > default (other reason being many devices broken beyond hope when it comes
> > to waking up).
>
> Well, to me it seems a regression since it worked correctly in 2.6.29, i.e.
> * it was suspended after inactivity (at least according to powertop),

This is not the reliable way to check this. Please compile 2.6.29 with
CONFIG_USB_DEBUG and post dmesg for a period of inactivity.

	Regards
		Oliver

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