From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756914Ab3A3Udf (ORCPT ); Wed, 30 Jan 2013 15:33:35 -0500 Received: from mail-ee0-f48.google.com ([74.125.83.48]:40067 "EHLO mail-ee0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755865Ab3A3Udc (ORCPT ); Wed, 30 Jan 2013 15:33:32 -0500 Message-ID: <51098397.5040206@suse.cz> Date: Wed, 30 Jan 2013 21:33:27 +0100 From: Jiri Slaby User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:18.0) Gecko/20121129 Thunderbird/18.0 MIME-Version: 1.0 To: Borislav Petkov , Bjorn Helgaas , x86@kernel.org, lkml , Konstantin Khlebnikov , "Rafael J. Wysocki" Subject: Re: Uhhuh. NMI received for unknown reason 2c on CPU 0. References: <20130129202848.GE25415@pd.tnic> <20130130034204.GB30965@pd.tnic> <20130130174402.GB23980@pd.tnic> <510977FB.3030707@suse.cz> <20130130200041.GD23895@pd.tnic> In-Reply-To: <20130130200041.GD23895@pd.tnic> X-Enigmail-Version: 1.5 Content-Type: multipart/mixed; boundary="------------070205020708010107030003" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------070205020708010107030003 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 01/30/2013 09:00 PM, Borislav Petkov wrote: > On Wed, Jan 30, 2013 at 08:43:55PM +0100, Jiri Slaby wrote: >> On 01/30/2013 06:44 PM, Borislav Petkov wrote: >>> On Wed, Jan 30, 2013 at 10:27:42AM -0700, Bjorn Helgaas wrote: >>>> You're right, I don't think we're quite ready to merge those patches. >>>> But if your NMI is easy to reproduce, it might be worth removing >>>> e1000e altogether to see if it still happens. >>> >>> That's the problem - I've seen it only once so far. I'll watch out for >>> it and do the above when I find a reliable way of reproducing it. Will >>> keep you posted. >> >> It happens here too. Dunno what is the root cause. I *think* that it >> never happened unless I used ethernet. Other than that I see no pattern. >> >> Attaching -C 20 grep of messages over the last half year if there is >> something that may help somehow. > > Cool, so it happens once a day, not every day, everytime during resume, > and with e1000e. Can you try Bjorn's suggestion to remove e1000e > altogether and see if it still happens? No, e1000e is not to blame at all. I moved e1000e out of /lib/modules and it still happens. What is cool is that I have steps to reproduce: 1) boot 2) run the attached script (turn on all possible power savings -- in fact everything what powertop suggests) 3) suspend to _disk_ (mem is not enough, BIOS apparently has to interfere here) 4) resume from disk 5) boom I tried to remove also wireless drivers, no change. -- js suse labs --------------070205020708010107030003 Content-Type: text/plain; charset=UTF-8; name="power" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="power" IyEvYmluL2Jhc2gKCkRJUlRZX1dCPTE1MDAKR09WRVJOPWNvbnNlcnZhdGl2ZQpQT1dFUk1P REU9YXV0bwpOTUk9MApMSU5LX1BPVz1taW5fcG93ZXIKUE9XX1NBVkU9MQpQT1dfU0FWRV9U WFQ9b24KCmlmIFsgIjAkMSIgLWVxIDEgXTsgdGhlbgojCURJUlRZX1dCPTE1MDAKCUdPVkVS Tj1wZXJmb3JtYW5jZQoJUE9XRVJNT0RFPW9uCglOTUk9MQoJTElOS19QT1c9bWF4X3BlcmZv cm1hbmNlCglQT1dfU0FWRT0wCglQT1dfU0FWRV9UWFQ9b2ZmCmZpCgovYmluL2VjaG8gLW4g IiRESVJUWV9XQiIgPiAvcHJvYy9zeXMvdm0vZGlydHlfd3JpdGViYWNrX2NlbnRpc2Vjcwov YmluL2VjaG8gLW4gIiROTUkiID4gL3Byb2Mvc3lzL2tlcm5lbC9ubWlfd2F0Y2hkb2cKL2Jp bi9lY2hvIC1uICIkUE9XX1NBVkUiID4gL3N5cy9tb2R1bGUvc25kX2hkYV9pbnRlbC9wYXJh bWV0ZXJzL3Bvd2VyX3NhdmUKaXcgZGV2IHdsYW4wIHNldCBwb3dlcl9zYXZlICIkUE9XX1NB VkVfVFhUIgpldGh0b29sIC1zIGV0aDAgd29sIGQKCmZvciBCVVMgaW4gdXNiIHBjaTsgZG8g Cglmb3IgREVWIGluIC9zeXMvYnVzLyRCVVMvZGV2aWNlcy8qL3Bvd2VyL2NvbnRyb2w7IGRv CgkJL2Jpbi9lY2hvIC1uICIkUE9XRVJNT0RFIiA+ICRERVYKCWRvbmUKZG9uZQoKZm9yIENQ VSBpbiAvc3lzL2RldmljZXMvc3lzdGVtL2NwdS8qL2NwdWZyZXEvc2NhbGluZ19nb3Zlcm5v cjsgZG8KCS9iaW4vZWNobyAtbiAiJEdPVkVSTiIgPiAkQ1BVCmRvbmUKCmZvciBIT1NUIGlu IC9zeXMvY2xhc3Mvc2NzaV9ob3N0L2hvc3QqL2xpbmtfcG93ZXJfbWFuYWdlbWVudF9wb2xp Y3k7IGRvCgkvYmluL2VjaG8gLW4gIiRMSU5LX1BPVyIgPiAkSE9TVApkb25lCg== --------------070205020708010107030003--