linux-kernel - Re: 2.6.26-rc1 regression since 2.6.25

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Date:	Tue, 13 May 2008 16:06:20 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Lukas Hejtmanek <xhejtman@....muni.cz>
cc:	Greg KH <greg@...ah.com>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>
Subject: Re: 2.6.26-rc1 regression since 2.6.25

On Mon, 12 May 2008, Lukas Hejtmanek wrote:

> On Fri, May 09, 2008 at 02:47:45PM -0400, Alan Stern wrote:
> > On Fri, 9 May 2008, Greg KH wrote:
> > 
> > > Can you just boot the box and then plug it into the dock and show the
> > > log file for that?
> > 
> > If you can, use a kernel that has CONFIG_USB_DEBUG turned on.
> 
> I did. The dmesg is attached to the bug:
> http://bugzilla.kernel.org/show_bug.cgi?id=10630

It looks as though the dock's USB hub may not be working right.

Just as a test, can you try applying gregkh-04-usb-2.6.26-rc2.patch 
(it applies to 2.6.26-rc2, obviously) from

	http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/

and attaching the dmesg log from that?  It contains extra debugging not 
present in the vanilla kernel -- make sure that you keep 
CONFIG_USB_DEBUG enabled.

Alan Stern

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