linux-kernel - Re: [regression?] usb: new errors during device detection

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Message-ID: <Pine.LNX.4.44L0.0808101143100.942-100000@netrider.rowland.org>
Date:	Sun, 10 Aug 2008 11:44:03 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Diego Zuccato <diego@...llo.alma.unibo.it>
cc:	Frans Pop <elendil@...net.nl>, <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	<linux-usb@...r.kernel.org>
Subject: Re: [regression?] usb: new errors during device detection

On Sat, 9 Aug 2008, Diego Zuccato wrote:

> Alan Stern ha scritto:
> 
> > As each device is enumerated, ehci-hcd determines whether it can run at 
> > high speed.  If not, the corresponding switch is set so the device 
> > connects back to the UHCI controller and it runs at full/low speed.
> Urgh... What happens if it contains a mounted filesystem?
> Seems quite dangerous...

It's no more dangerous than somebody unplugging the USB cable by 
mistake.  :-)

Alan Stern

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