From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755810AbYDHVsi (ORCPT ); Tue, 8 Apr 2008 17:48:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752772AbYDHVsa (ORCPT ); Tue, 8 Apr 2008 17:48:30 -0400 Received: from relay1.sgi.com ([192.48.171.29]:37092 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752590AbYDHVs3 (ORCPT ); Tue, 8 Apr 2008 17:48:29 -0400 Message-ID: <47FBE828.3000303@sgi.com> Date: Tue, 08 Apr 2008 14:48:24 -0700 From: Mike Travis User-Agent: Thunderbird 2.0.0.6 (X11/20070801) MIME-Version: 1.0 To: Ingo Molnar CC: Alexander van Heukelum , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , linux-kernel@vger.kernel.org, heukelum@fastmail.fm Subject: Re: [PATCH 1/2] boot: increase stack size for kernel boot loader decompressor References: <20080405013014.478571000@polaris-admin.engr.sgi.com> <20080405013014.693571000@polaris-admin.engr.sgi.com> <20080405134626.GA15894@mailshack.com> <47FA6478.1070301@sgi.com> <20080407214434.GA5296@mailshack.com> <20080408122007.GA11832@mailshack.com> <20080408134112.GA4277@elte.hu> <47FB8AD2.2040201@sgi.com> <20080408153942.GA26932@elte.hu> In-Reply-To: <20080408153942.GA26932@elte.hu> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar wrote: > i've got a bugreport for you though: MAXSMP does not suspend+resume > correctly ;-) It gets this far: > > [ 146.348790] PM: Syncing filesystems ... done. > [ 146.353488] PM: Preparing system for mem sleep > [ 146.360204] Freezing user space processes ... (elapsed 0.00 seconds) done. > [ 146.367172] Freezing remaining freezable tasks ... (elapsed 0.93 seconds) done. > [ 147.309618] PM: Entering mem sleep > [ 147.313032] Suspending console(s) > > then reboots spontaneously instead of resuming. (I use the > suspend+resume self-test feature below to conduct automated > suspend/resume tests.) Here are my test results. It worked fine on the Intel box, but hung hard on the AMD box. I'll do some further testing to narrow it down. Thanks, Mike ------------------------------------------------------------ Intel box: PM: test RTC wakeup from 'mem' suspend PM: test RTC wakeup from 'standby' suspend PM: Syncing filesystems ... done. PM: Preparing system for standby sleep Freezing user space processes ... (elapsed 0.00 seconds) done. Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. PM: Entering standby sleep Suspending console(s) . . processor ACPI0007:07: suspend . . processor ACPI0007:00: suspend . PM: suspend devices took 1.072 seconds ACPI: Preparing to enter system sleep state S1 Disabling non-boot CPUs ... CPU0 attaching NULL sched-domain. . . CPU7 attaching NULL sched-domain. CPU 1 is now offline . . CPU 7 is now offline SMP alternatives: switching to UP code CPU0 attaching sched-domain: domain 0: span 0 groups: 0 CPU7 is down . . pci 0000:00:00.0: LATE suspend Back to C! pci 0000:00:00.0: EARLY resume . . Enabling non-boot CPUs ... CPU0 attaching NULL sched-domain. SMP alternatives: switching to SMP code Booting processor 1/4 ip 6000 Initializing CPU#1 . . CPU1 is up . . CPU7 is up . . processor ACPI0007:00: resuming . . processor ACPI0007:07: resuming . . PM: resume devices took 7.256 seconds PM: Finishing wakeup. Restarting tasks ... done. ------------------------------------------------------------ AMD box: PM: test RTC wakeup from 'mem' suspend PM: Syncing filesystems ... done. PM: Preparing system for mem sleep Freezing user space processes ... (elapsed 0.00 seconds) done. Freezing remaining freezable tasks ... <7>PM: Adding info for No Bus:mouse0 PM: Adding info for No Bus:event3 PM: Adding info for ieee1394:00e0810000270e1d PM: Adding info for No Bus:00e0810000270e1d ieee1394: Host added: ID:BUS[0-00:1023] GUID[00e0810000270e1d] (elapsed 0.20 seconds) done. PM: Entering mem sleep Suspending console(s) (and the system is hung hard, doesn't even accept sysreq input.) ------------------------------------------------------------