linux-kernel - Re: Problems with suspend and USB storage

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Date:	Thu, 15 May 2008 15:42:59 -0400
From:	Bill Nottingham <notting@...hat.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-kernel@...r.kernel.org,
	Alan Stern <stern@...land.harvard.edu>,
	Pavel Machek <pavel@....cz>
Subject: Re: Problems with suspend and USB storage

Rafael J. Wysocki (rjw@...k.pl) said: 
> Well, the problem is that USB storage devices are disconnected during suspend
> and hibernation and connected once again during resume.  Then, however, we
> are not able to tell whether the device in the slot is the same that was in
> there before the system was put into the sleep state.

1) If they're disconnected, how come they work as a hibernate device? Or
   are they disconnected twice?
2) Isn't USB persist supposed to work around this?

Bill
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