From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757573Ab3GESVP (ORCPT ); Fri, 5 Jul 2013 14:21:15 -0400 Received: from mail.skyhub.de ([78.46.96.112]:56557 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757402Ab3GESVO (ORCPT ); Fri, 5 Jul 2013 14:21:14 -0400 Date: Fri, 5 Jul 2013 20:21:06 +0200 From: Borislav Petkov To: Stefan Sabolowitsch Cc: "linux-kernel@vger.kernel.org" , Alexander Duyck Subject: Re: get a kernel crash with kernel 3.10.0-1.el6.elrepo.x86_64 Message-ID: <20130705182106.GA29025@pd.tnic> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 05, 2013 at 09:30:53AM +0000, Stefan Sabolowitsch wrote: > Hi all, > I get a kernel crash with 3.10.0-1.el6.elrepo.x86_64 (on two machines the > same problem). > Never seen on v3.8.x / v3.9x > > Any idea ? > > Thx > Stefan > > -#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#- > > abrt_version: 2.0.8 > cmdline: ro root=/dev/mapper/vg_ipd2-lv_root rd_NO_LUKS rd_NO_MD > SYSFONT=latarcyrheb-sun16 crashkernel=auto rd_LVM_LV=vg_ipd2/lv_swap > rd_NO_DM LANG=de_DE.UTF-8 KEYBOARDTYPE=pc KEYTABLE=de > rd_LVM_LV=vg_ipd2/lv_root rhgb quiet > kernel: 3.10.0-1.el6.elrepo.x86_64 > time: Do 04 Jul 2013 16:18:29 GMT > > sosreport.tar.xz: Binary file, 1665652 bytes > > backtrace: > :WARNING: at drivers/dma/ioat/dca.c:697 ioat3_dca_init+0x1f2/0x200 > [ioatdma]() > :ioatdma 0000:00:16.0: APICID_TAG_MAP set incorrectly by BIOS, disabling > DCA It basically says that your BIOS is b0rked (f3c78f8515dd4cb9e26040ebb54cf589d21137ee) and disables the Direct Cache Access. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --