Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755844AbZF3Msx (ORCPT ); Tue, 30 Jun 2009 08:48:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752151AbZF3Msr (ORCPT ); Tue, 30 Jun 2009 08:48:47 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:50739 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750946AbZF3Msq (ORCPT ); Tue, 30 Jun 2009 08:48:46 -0400 From: "Rafael J. Wysocki" To: Johannes Stezenbach Subject: Re: [Bug #13644] hibernation/swsusp lockup due to acpi-cpufreq Date: Tue, 30 Jun 2009 14:48:54 +0200 User-Agent: KMail/1.11.2 (Linux/2.6.31-rc1-rjw; KDE/4.2.4; x86_64; ; ) Cc: Linux Kernel Mailing List , Kernel Testers List References: <5Hhc7UkUKEO.A.RZF.MjASKB@chimera> <20090630004041.GA11641@sig21.net> In-Reply-To: <20090630004041.GA11641@sig21.net> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-2" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200906301448.55209.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1579 Lines: 39 On Tuesday 30 June 2009, Johannes Stezenbach wrote: > On Mon, Jun 29, 2009 at 02:31:01AM +0200, Rafael J. Wysocki wrote: > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13644 > > Subject : hibernation/swsusp lockup due to acpi-cpufreq > > Submitter : Johannes Stezenbach > > Date : 2009-06-16 01:27 (13 days old) > > References : http://lkml.org/lkml/2009/6/15/630 > > Handled-By : Rafael J. Wysocki > > I tested v2.6.31-rc1-228-g2bfdd79 and the bug is still there. > It actually got worse, the local_irq_save/restore workaround > in kernel/up-c (http://lkml.org/lkml/2009/6/16/333) doesn't fix it > anymore, it hangs at suspend before writing out the image. > > With the up.c workaround (including a > WARN_ON_ONCE(irqs_disabled() && !oops_in_progress);) > applied and no_console_suspend I captured the attached > output using a crappy webcam. (Without the workaround > there is a huge spew of warnings about irqs enabled > unexpectedly.) I guess the interesting part is > > pm_op(): pci_pm_thaw returns -16 > PM: Device 0000:00:00.0 failed to thaw: error -16 Hmm, it looks like we fail to thaw the host bridge. > (PCI info is in http://lkml.org/lkml/2009/6/15/630) Well, thanks for the update. I'll do my best to fix the cpufreq suspend before 2.6.31 final. Best, 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/