Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758833Ab0DAUFb (ORCPT ); Thu, 1 Apr 2010 16:05:31 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:50265 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758769Ab0DAUF3 (ORCPT ); Thu, 1 Apr 2010 16:05:29 -0400 From: "Rafael J. Wysocki" To: Parag Warudkar Subject: Re: S2RAM broken on HP 8530p Date: Thu, 1 Apr 2010 22:08:37 +0200 User-Agent: KMail/1.12.4 (Linux/2.6.34-rc3-rjw; KDE/4.3.5; x86_64; ; ) Cc: linux-kernel@vger.kernel.org References: <201004010316.17898.rjw@sisk.pl> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201004012208.37540.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1425 Lines: 42 On Thursday 01 April 2010, Parag Warudkar wrote: > > On Thu, 1 Apr 2010, Rafael J. Wysocki wrote: > > > On Thursday 01 April 2010, Parag Warudkar wrote: > > > > > > Running Ubuntu Lucid 64-bit I noticed suspending fails with current git. > > > Unsure since when it started - perhaps a while ago since the stock distro > > > kernel 2.6.32-18 also fails to suspend - albeit little differently - > > > git will fail before shutting off the display, distro one succeeds in > > > shutting off the display and then hangs. > > > > > > Any ideas how to go about debugging this? > > > > Please first try to suspend after echoing 0 to /sys/power/pm_async. > > No change - hangs the same way as before. > > I recall it used to work with prior kernels and so I tried 2.6.31 from > kernel.ubuntu.com/~kernel-ppa/ > > mainline/v2.6.31/ but that fails similarly. > > May be I could try 2.6.30 but from a bisect stand point thats not all that > attractive even if we find it works.. Yeah, kind of. Please try: # echo devices > /sys/power/pm_test # echo mem > /sys/power/state and see if that breaks too (it should get back to the command line in about 5-10 seconds). Rafael -- 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/