From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753172Ab2DUNOj (ORCPT ); Sat, 21 Apr 2012 09:14:39 -0400 Received: from mtaout01-winn.ispmail.ntl.com ([81.103.221.47]:34693 "EHLO mtaout01-winn.ispmail.ntl.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751842Ab2DUNOh (ORCPT ); Sat, 21 Apr 2012 09:14:37 -0400 From: Robert Scott Reply-To: bugs@humanleg.org.uk Organization: none To: Jonathan Nieder Subject: Re: [regression] Ideapad S10-3 does not wake up from suspend Date: Sat, 21 Apr 2012 14:14:21 +0100 User-Agent: KMail/1.9.9 Cc: Thomas Gleixner , linux-kernel@vger.kernel.org, Kevin Tian , Fengzhe Zhang , mingo@redhat.com, hpa@zytor.com, Ian Campbell , JBeulich@novell.com, xen-devel@lists.xensource.com, Lars Boegild Thomsen , e568b31a443d@6cc2cce7af2d.anonbox.net, "Liu, Chuansheng" References: <625BA99ED14B2D499DC4E29D8138F1505C8ED7F7E3@shsmsx502.ccr.corp.intel.com> <201204161905.13260.bugs@humanleg.org.uk> <20120417020433.GA15848@burratino> In-Reply-To: <20120417020433.GA15848@burratino> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <201204211414.30286.bugs@humanleg.org.uk> X-Cloudmark-Analysis: v=1.1 cv=R50lirqlHffDPPkwUlkuVa99MrvKdVWo//yz83qex8g= c=1 sm=0 a=oafpOytrBa8A:10 a=l5_RjRQ6opQA:10 a=8nJEP1OIZ-IA:10 a=hLW_Fef1W2nHZV0zz8kA:9 a=wPNLvfGTeEIA:10 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 17 April 2012, Jonathan Nieder wrote: > Robert Scott wrote: > > On Sunday 15 April 2012, Jonathan Nieder wrote: > > >> Lars, Robert, anon: can you try 3.4-rc2 or newer and let us know how > >> it goes? I suspect v3.4-rc2~24^2~4 ("x86: Preserve lazy irq disable > >> semantics in fixup_irqs()") will fix this. > > > > Hmm, no, 3.4-rc2 seems to produce the same results I'm afraid. > > Alas. Does suspend-to-disk ("echo disk >/sys/power/state") have the > same problem? Can you get a log of the failure with > "no_console_suspend" appended to the kernel command line, for example > with a serial console or netconsole? (back on 3.2.0-0.bpo.2-686-pae 3.2.12-1~bpo60+1*:) eth0 seems to go down/come up to early/late to get anything useful from netconsole: [ 745.161322] PM: Syncing filesystems ... done. [ 747.088247] PM: Preparing system for mem sleep [ 747.187932] Freezing user space processes ... (elapsed 0.01 seconds) done. [ 747.204325] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. [ 747.220416] PM: Entering mem sleep [ 747.221085] sd 1:0:0:0: [sda] Synchronizing SCSI cache [ 747.222247] sd 1:0:0:0: [sda] Stopping disk (then nothing) I may be able to hook up a usb-serial adaptor to try and get more info but it'll take me a bit longer what with all the rewiring fun as I don't have a null modem cable lying around. > If someone has time to go through the steps in > "Documentation/power/basic-pm-debugging.txt", that would also be useful. "freezer", "devices", "platform", "processors", or "core" pm_test modes all work fine, naturally. robert. * I notice I accidentally copy/pasted the linux-modules version in a previous mail but you knew what I was talking about