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Message-ID: <Pine.LNX.4.44L0.0708211050570.4137-100000@iolanthe.rowland.org>
Date:	Tue, 21 Aug 2007 10:51:41 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Jiri Kosina <jikos@...os.cz>
cc:	Florin Iucha <florin@...ha.net>,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Greg KH <gregkh@...e.de>,
	<linux-usb-devel@...ts.sourceforge.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [linux-usb-devel] USB-related oops in sysfs with linux
 v2.6.23-rc3-50-g28e8351

On Tue, 21 Aug 2007, Jiri Kosina wrote:

> On Tue, 21 Aug 2007, Florin Iucha wrote:
> 
> > I have enabled USB debugging and I see a bunch (=46) of these messages:
> 
> >    [  $timestamp] usb 1-9: usb auto-suspend
> >    [  $timestamp] usb 1-9: usb auto-resume
> >    [  $timestamp] ehci_hcd 0000:00:02.1: GetStatus port 9 status 001005 POWER sig=se0 PE CONNECT
> >    [  $timestamp] usb 1-9: finish resume
> > The messages continued to be logged, even after the keyboard has
> > become unresponsive.
> 
> I guess that this is the card reader being suspended and resumed 
> afterwards. Do you by any chance see any improvement when you

FYI, the card reader suspend/resume problem should be fixed by this 
patch:

	http://marc.info/?l=linux-usb-devel&m=118764229910761&w=2

Alan Stern

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