From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiri Slaby Subject: Re: suspend hangs at platform phase [was: mmotm 2010-12-23-16-58 uploaded] Date: Wed, 05 Jan 2011 23:46:01 +0100 Message-ID: <4D24F4A9.8010301@gmail.com> References: <201012240132.oBO1W8Ub022207@imap1.linux-foundation.org> <201101042357.08600.rjw@sisk.pl> <4D24E444.6080308@gmail.com> <201101052339.46453.rjw@sisk.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-bw0-f46.google.com ([209.85.214.46]:48371 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751941Ab1AEWqH (ORCPT ); Wed, 5 Jan 2011 17:46:07 -0500 In-Reply-To: <201101052339.46453.rjw@sisk.pl> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: "Rafael J. Wysocki" Cc: akpm@linux-foundation.org, mm-commits@vger.kernel.org, LKML , Linux-pm mailing list , "Brown, Len" , steiner@sgi.com, ACPI Devel Maling List , Len Brown On 01/05/2011 11:39 PM, Rafael J. Wysocki wrote: > On Wednesday, January 05, 2011, Jiri Slaby wrote: >> On 01/04/2011 11:57 PM, Rafael J. Wysocki wrote: >>> On Tuesday, January 04, 2011, Jiri Slaby wrote: >>>> On 01/04/2011 02:40 PM, Jiri Slaby wrote: >>>>> On 12/24/2010 01:58 AM, akpm@linux-foundation.org wrote: >>>>>> The mm-of-the-moment snapshot 2010-12-23-16-58 has been uploaded to >>>>> >>>>> Hi, this kernel regresses with respect to suspend to ram in comparison >>>>> with mmotm 2010-12-16-14-56. >>>>> >>>>> This is OK: >>>>> echo devices > /sys/power/pm_test >>>>> pm-suspend >>>>> This hangs at suspend phase: >>>>> echo platform > /sys/power/pm_test >>>>> pm-suspend >>> >>> Hmm. So it looks like _PTS hangs? >> >> No _PST here :). > > I really meant _PTS and yes, there is one and it does quite a lot of > interesting stuff. Yeah, I grepped for _PTS, but in a wrong file. My bad. > Are you able to collect serial console (or equivalent) logs from that machine? Unfortunately I don't have a second machine with serial port. What exactly you want to dig out of the logs? Will netconsole work at that phase? regards, -- js