Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760011AbYAJP44 (ORCPT ); Thu, 10 Jan 2008 10:56:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756498AbYAJP4s (ORCPT ); Thu, 10 Jan 2008 10:56:48 -0500 Received: from rn-out-0910.google.com ([64.233.170.187]:32341 "EHLO rn-out-0102.google.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755807AbYAJP4r (ORCPT ); Thu, 10 Jan 2008 10:56:47 -0500 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=xuWhp2wuJ2PFwg/47AYNe/A+JfcC9OgG9spgeEP2RBNczJcoVqSNfyWmfnPQMwm4QVeEx/Hb1E5/UqebPxBLuT+SYrYP15mh3X4BHEugs0ahez16tSgiNTnxE8O13xOJKiATEXVMKspNZLLfTJ8ulVagNvyXaxRrQQ3k7BnGP0c= Message-ID: Date: Thu, 10 Jan 2008 16:56:12 +0100 From: Matthew To: "Ingo Molnar" Subject: Re: Fwd: Fwd: laptop / computer hardlocks during execution of 32bit applications(binaries) on 64bit system (Gentoo) Cc: "Ed Tomlinson" , "H. Peter Anvin" , linux-kernel@vger.kernel.org, "Thomas Gleixner" In-Reply-To: <20080110133252.GB5886@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080110124810.GA20579@elte.hu> <200801100808.42945.edt@aei.ca> <20080110133252.GB5886@elte.hu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1908 Lines: 68 > > My kernel is _not_ tainted. [...] > this time my kernel isn't tainted either (comm: thunderbird-bin Not tainted; http://kerneloftruth.neucode.org/other/crash_ia32_64/not_tainted/moto_0041.jpg) but still hardlocks: http://kerneloftruth.neucode.org/other/crash_ia32_64/not_tainted/ > ok, good. A series of questions: > > - can you reproduce it from the VGA console? > yes > - if yes, does booting with "nmi_watchdog=2 idle=poll" give you a > working NMI watchdog? (working NMI watchdog means the NMI counts > increase for all cores in /proc/interrupts). > no, I get err=-16 (watchdog is broken: cat /proc/interrupts | grep NMI reveals nothing) > if still 'yes', then try to reproduce the hard hang on the VGA text > console yes, despite broken watchdog steps: 1) startx 2) change to tty2, log in; DISPLAY:=0 thunderbird-bin 3) wait until it hardlocks known apps to trigger that locking: - realplayer - thunderbird-bin (2.0.0.9) - mozilla-firefox-bin (2.0.0.11) (all included in portage-tree) apps not triggering: - skype (not tested that thoroughly (yet)) - ... > - do you perhaps get an NMI backtrace printed within 1-2 minutes > after the hard hang happens? If yes then take a photo of that or write > it down. > only backtrace so far (once): http://kerneloftruth.neucode.org/other/crash_ia32_64/moto_0040.jpg I'll tar the whole kernel-directory & modules so that you'll be able to reproduce it more easily (if wanted), is there a place where I could upload it (it weighs around 300-400 MBs so that'll take some time ;) ) I got work to do so that'll be all for now, I hope you'll be able to find the culprit soon ... > Ingo > Mat -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/