From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759767AbYEYJAF (ORCPT ); Sun, 25 May 2008 05:00:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752887AbYEYI7z (ORCPT ); Sun, 25 May 2008 04:59:55 -0400 Received: from wf-out-1314.google.com ([209.85.200.168]:4022 "EHLO wf-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751169AbYEYI7z (ORCPT ); Sun, 25 May 2008 04:59:55 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=fP2ih76/zoPet2ydr81IgbqNhMzt4/nB1QGBSAPa56C9HYz3niUkl7wrDUA/8YV9R/yNCqFarSGZkJX39DKdDrNimFLeeT2nFzuKbj/O0GwvWwNzDz4Bb+WtNqqamEcf3yhFf8IcgANNypfX9PZ3rqf0fdRxPADoOddTH47dnjo= Message-ID: Date: Sun, 25 May 2008 10:59:52 +0200 From: "Zdenek Kabelac" To: "Rafael J. Wysocki" Subject: Re: Suspend to memory is freezing my machine Cc: "Linux Kernel Mailing List" In-Reply-To: <200805242301.25695.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200805041240.52988.rjw@sisk.pl> <200805242301.25695.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2008/5/24 Rafael J. Wysocki : > On Thursday, 22 of May 2008, Zdenek Kabelac wrote: >> Hello Rafael >> >> 2008/5/4 Rafael J. Wysocki : >> > On Sunday, 4 of May 2008, Zdenek Kabelac wrote: >> >> Hello >> > >> > Hi, >> > >> >> With recent 2.6.25 & 2.6.26-rc1 git (around 1 week) I get occasionally >> >> complete freeze of my T61 during suspend. (dual core, 2GB). >> > >> > How reproducible is this? >> > >> >> The problem happens still even with -rc3. Now I've an update: >> >> Usually I've to run the machine for couple hours to actually be able >> to hit this lock. >> (Usually after a day work when I want to leave) >> >> I've also noticed that when I run the suspend after the reboot I >> usually cannot see the suspend freeze - mostly because either the >> mashine crashes from other ooops or I do another reboot. >> >> >> >> I'm running kernel with no_console_suspend - but all I can see is >> >> blinking cursor on an empty screen - thus even when I run kernel with >> >> most debug options turned on, I can't pass more details so far. I run >> >> I've figured out, it was caused by some weird Fedora setting, so >> adding kernel.printk = 8 to sysctl.conf fixed the issue for me. >> >> >> suspend with with SD card in - so maybe some update in the MMC driver >> >> might be responsible for this ? >> > (1) The problem occurs without no_console_suspend. >> > (2) The problem occurs without the SD card. >> >> SD card or no_console_suspend option doesn't matter >> >> This is what I've seen as the last thing on the screen when deadlock >> appeared this time: >> (no SD card inserted) >> >> ==== >> Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. >> PM: Entering mem sleep >> drm card0: class suspend >> drm_sysfs_suspend > > Hm, what kind of graphics adapter is there in your box? > After some more checking - I guess this information actually is not useful at all :(. It looks like even when the suspend is succesful - the line: ACPI: PCI interrupt for device 0000:00:02.0 disabled is alway the last one visible. I'll try to get figure out a better way how to invoke the lock. And my graphics adapter is: 00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 0c) (prog-if 00 [VGA controller]) Zdenek