From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Lutomirski Subject: Re: [RFT] x86 acpi: normalize segment descriptor register on resume Date: Sat, 12 Jul 2008 16:39:17 -0400 Message-ID: <48791675.6060805@myrealbox.com> References: <200807010148.02135.rjw@sisk.pl> <486A96C1.2020106@firstfloor.org> <48784F51.1010407@myrealbox.com> <200807122051.25634.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from THAUM.MIT.EDU ([18.95.3.27]:49484 "EHLO luto.stanford.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751925AbYGLUjR (ORCPT ); Sat, 12 Jul 2008 16:39:17 -0400 In-Reply-To: <200807122051.25634.rjw@sisk.pl> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: "Rafael J. Wysocki" Cc: luto@myrealbox.com, Andi Kleen , "H. Peter Anvin" , Ingo Molnar , public-kernel-testers-u79uwXL29TY76Z2rM5mHXA@lo.gmane.org, ACPI Devel Maling List , LKML , pm list , Pavel Machek Rafael J. Wysocki wrote: > On Saturday, 12 of July 2008, Andy Lutomirski wrote: >> My Lenovo X61s fails to resume if I suspend it from within X, on both >> 2.6.26-rc9 and recent wireless-testing. 2.6.26-rc8 is fine, as is >> wireless-testing with 4b4f7280 reverted. My in-progress bisect between >> -rc8 and -rc9 is also consistent with this being the problem. >> >> The symptom is that, when I push the power button to resume, the hard >> drive light turns on, the fan turns on, then the hard drive light turns >> off, the sleep light stays on, and the fan keeps running. Sometimes the >> battery light will blink off very briefly (1/4 sec, maybe) every few >> seconds. The system is locked hard at this point. >> >> I'm using Ubuntu Hardy userspace. > > Well, that's bad. > > There is the bugzilla entry at http://bugzilla.kernel.org/show_bug.cgi?id=11064 > for this bug and you've just confirmed my suspicion that this particular > commit is to blame. > > Can you please see if the appended patch changes anything? More correctly: If I suspend by typing pm-suspend or echo mem >/sys/power/state, then it resumes just fine. If I log in to Gnome and push the suspend button, then it does not resume. This seems to be the case with or without your patch. -rc8 and -rc9 with the original patch 4b4f7280 resume fine no matter how I suspend. --Andy