From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761837AbYEOTv1 (ORCPT ); Thu, 15 May 2008 15:51:27 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758446AbYEOTuZ (ORCPT ); Thu, 15 May 2008 15:50:25 -0400 Received: from mx1.redhat.com ([66.187.233.31]:42172 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758218AbYEOTuW (ORCPT ); Thu, 15 May 2008 15:50:22 -0400 Date: Thu, 15 May 2008 15:42:59 -0400 From: Bill Nottingham To: "Rafael J. Wysocki" Cc: linux-kernel@vger.kernel.org, Alan Stern , Pavel Machek Subject: Re: Problems with suspend and USB storage Message-ID: <20080515194259.GA28848@nostromo.devel.redhat.com> Mail-Followup-To: "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Alan Stern , Pavel Machek References: <20080515163315.GA17779@nostromo.devel.redhat.com> <200805152140.43292.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200805152140.43292.rjw@sisk.pl> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rafael J. Wysocki (rjw@sisk.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