Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752025Ab1BDTdK (ORCPT ); Fri, 4 Feb 2011 14:33:10 -0500 Received: from iolanthe.rowland.org ([192.131.102.54]:41077 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751538Ab1BDTdJ (ORCPT ); Fri, 4 Feb 2011 14:33:09 -0500 Date: Fri, 4 Feb 2011 14:33:07 -0500 (EST) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Jiri Slaby cc: "Rafael J. Wysocki" , , , Linux-pm mailing list Subject: Re: [linux-pm] Resume hangs [was: mmotm 2010-12-02-16-34 uploaded] In-Reply-To: <4D4C468F.4080105@gmail.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 868 Lines: 27 On Fri, 4 Feb 2011, Jiri Slaby wrote: > >> It seems to suffice... No hangs still. Should I enable pm_async back > >> again to confirm the issue is still present? > > > > Yes, please, it would be good to know for sure. > > Ok, confirmed right now :). > > I disabled pm_async for USB again. What do you suggest next? What happens if you leave pm_async enabled but unplug all the USB devices before suspending? If there are any USB devices you can't unplug, you can get an equivalent result by unconfiguring the root hubs: for a in /sys/bus/usb/devices/usb* ; do echo 0 >$a/bConfigurationValue done Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/