Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759573AbYJJObp (ORCPT ); Fri, 10 Oct 2008 10:31:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756216AbYJJObg (ORCPT ); Fri, 10 Oct 2008 10:31:36 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:51607 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755105AbYJJObg (ORCPT ); Fri, 10 Oct 2008 10:31:36 -0400 Date: Fri, 10 Oct 2008 10:31:35 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: "Rafael J. Wysocki" cc: Parag Warudkar , pm list , Linux Kernel Mailing List Subject: Re: [linux-pm] WARNING: at kernel/power/main.c:176 suspend_test_finish+0x70/0x80() In-Reply-To: <200810101452.27929.rjw@sisk.pl> 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: 874 Lines: 24 On Fri, 10 Oct 2008, Rafael J. Wysocki wrote: > On Friday, 10 of October 2008, Parag Warudkar wrote: > > 2.6.27 seems to be taking long time to resume, it hits this WARN_ON in > > kernel/power/main.c:176 suspend_test_finish - > > Never seen earlier. > > Resuming devices takes too much time (more than 5 sec. actually) > and the stack trace indicates USB. > > Can you test with the USB modules unloaded? There's a bug that affects USB power management: commmit f9dd45ce10a014bdfd5432828c44630ea7fefedd needs to be reverted. Greg KH has been asked to do this a few times but he hasn't gotten around to it yet. 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/