From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751546AbaGaNRz (ORCPT ); Thu, 31 Jul 2014 09:17:55 -0400 Received: from out1.virusfree.cz ([212.24.139.170]:49925 "EHLO out1.virusfree.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751003AbaGaNRx (ORCPT ); Thu, 31 Jul 2014 09:17:53 -0400 X-Greylist: delayed 399 seconds by postgrey-1.27 at vger.kernel.org; Thu, 31 Jul 2014 09:17:53 EDT X-VF-Scanner-Mail-From: jh@excello.cz via out1 X-VF-Scanner-Rcpt-To: linux-kernel@vger.kernel.org X-VF-Scanner: 2.08VF (Clear:RC:1(212.224.105.53):. Processed in 0.040351 secs Process 4093/4075) DomainKey-Signature: a=rsa-sha1; c=nofws; d=excello.cz; h=message-id :date:from:mime-version:to:cc:subject:references:in-reply-to :content-type; q=dns; s=default; b=ERRFIiYBSncUffHk7jhFC5id4LtAJ 8loLKcO5L957882m+zlNHTdv00k3iYq7M9Oa1kdNSQOBkSfPRHadDKegYUr1R+yF hfzx4a43wsKvM5llalpdkaCO7KLaiyKW1HRUo35A63rE2KiAhibKLRWAMgk1ezOp d/fcKL9RBvi2Wg= Message-ID: <53DA4074.9030300@excello.cz> Date: Thu, 31 Jul 2014 15:11:16 +0200 From: Jan Hejl User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Richard Weinberger CC: LKML Subject: Re: Sudden kernel panics on AMD Opteron platforms with hardened kernel References: <53DA3C5C.3040508@excello.cz> In-Reply-To: Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms060306080200030609090901" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a cryptographically signed message in MIME format. --------------ms060306080200030609090901 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Dne 31.7.2014 v 15:04 Richard Weinberger napsal(a): > On Thu, Jul 31, 2014 at 2:53 PM, Jan Hejl wrote: >> Hello, >> >> i'm facing sudden kernel panics. Last one happened few minutes ago. >> Unfortunatelly only output that i've catched is limited thanks to low >> resolution of console screen. See screenshot attached. >> >> Below is output of the ver_linux script. >> >> Linux aq 3.14.12-hardened-r2 #1 SMP Tue Jul 22 18:47:50 CEST 2014 x86_= 64 AMD > Does the problem also happen with a vanilla kernel? Didn't tried yet. As I talked to my collegues we found that these bugs are someway random=20 that it may be related to=20 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D61904. Is it possible? > >> Opteron(tm) Processor 6376 AuthenticAMD GNU/Linux >> Gnu C 4.7.3 >> Gnu make 3.82 >> binutils 2.23.2 >> util-linux scripts/ver_linux: line 23: fdformat: command n= ot >> found >> mount assert >> module-init-tools 18 >> e2fsprogs 1.42.10 >> xfsprogs 3.1.10 >> Linux C Library Dynamic linker (ldd) 2.17 >> Procps 3.3.9 >> Net-tools 1.60_p20130513023548 >> Kbd 1.15.5 >> Sh-utils 8.21 >> Modules Loaded >> >> Can you please point to me to a right direction where to start with >> debugging of this panic? It is badly reproducible because it happens >> randomly. >> >> Hope you'll find all info attached. >> >> Thanks for any help! >> Jan >> > > --------------ms060306080200030609090901 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: Elektronicky podpis S/MIME MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIINPzCC BkIwggUqoAMCAQICEDirAC//rpa3Vv85Wvtd5xswDQYJKoZIhvcNAQEFBQAwgcoxCzAJBgNV BAYTAlVTMRcwFQYDVQQKEw5WZXJpU2lnbiwgSW5jLjEfMB0GA1UECxMWVmVyaVNpZ24gVHJ1 c3QgTmV0d29yazE6MDgGA1UECxMxKGMpIDE5OTkgVmVyaVNpZ24sIEluYy4gLSBGb3IgYXV0 aG9yaXplZCB1c2Ugb25seTFFMEMGA1UEAxM8VmVyaVNpZ24gQ2xhc3MgMSBQdWJsaWMgUHJp bWFyeSBDZXJ0aWZpY2F0aW9uIEF1dGhvcml0eSAtIEczMB4XDTExMDkwMTAwMDAwMFoXDTIx MDgzMTIzNTk1OVowgaYxCzAJBgNVBAYTAlVTMR0wGwYDVQQKExRTeW1hbnRlYyBDb3Jwb3Jh dGlvbjEfMB0GA1UECxMWU3ltYW50ZWMgVHJ1c3QgTmV0d29yazEeMBwGA1UECxMVUGVyc29u 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