Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755434Ab3CEX7D (ORCPT ); Tue, 5 Mar 2013 18:59:03 -0500 Received: from mga02.intel.com ([134.134.136.20]:58257 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752888Ab3CEX7B (ORCPT ); Tue, 5 Mar 2013 18:59:01 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,791,1355126400"; d="scan'208";a="271691703" Message-ID: <51368692.4090204@linux.intel.com> Date: Tue, 05 Mar 2013 15:58:10 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130219 Thunderbird/17.0.3 MIME-Version: 1.0 To: Dave Hansen CC: Tetsuo Handa , bp@alien8.de, linux-kernel@vger.kernel.org, "Yu, Fenghua" Subject: Re: [3.9-rc1 x86] Bug in ioremap code? References: <201302060035.GCJ00057.FLHMOOFtJFSQOV@I-love.SAKURA.ne.jp> <201303050015.GGI39081.LOVFtOFHQOJFSM@I-love.SAKURA.ne.jp> <201303052031.JFG81705.FSOOFQHJMVFOLt@I-love.SAKURA.ne.jp> <201303060041.AIF15342.tJFOHLQFFOMVSO@I-love.SAKURA.ne.jp> <20130305180650.GD4914@pd.tnic> <201303060628.CBG00578.OJtMFFHLQVSFOO@I-love.SAKURA.ne.jp> <51366E6F.1050409@linux.intel.com> <513683DC.3070405@linux.vnet.ibm.com> In-Reply-To: <513683DC.3070405@linux.vnet.ibm.com> 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 Content-Length: 1773 Lines: 51 Fenghua, Could you look at this thread and see if you can see what the problem is? -hpa On 03/05/2013 03:46 PM, Dave Hansen wrote: > Not sure if it's related by 3.9-rc1 gets in to a reboot loop for me. I > assume it's triple-faulting. The last line on the console I see is: > > [ 0.085702] SMP alternatives: lockdep: fixing up alternatives > [ 0.086859] smpboot: Booting Node 0, Processors [ 0.086859] > smpboot: Booting Node 0, Processors #1 OK > #1 OK > > I bisected it down to the neighborhood of c47f39e. After that, I get > some compile errors: > >> arch/x86/built-in.o: In function `generic_load_microcode': >> microcode_intel.c:(.text+0x28195): undefined reference to `microcode_sanity_check' >> microcode_intel.c:(.text+0x281ab): undefined reference to `get_matching_microcode' > > Turning off CONFIG_MICROCODE: > > -CONFIG_MICROCODE=y > -CONFIG_MICROCODE_INTEL=y > -# CONFIG_MICROCODE_AMD is not set > -CONFIG_MICROCODE_OLD_INTERFACE=y > -CONFIG_MICROCODE_INTEL_LIB=y > -CONFIG_MICROCODE_INTEL_EARLY=y > -CONFIG_MICROCODE_EARLY=y > +# CONFIG_MICROCODE is not set > > lets it boot again and fixes those compile errors. This is with this > config: > > http://i-love.sakura.ne.jp/tmp/config-3.9-rc1 > > running under a kvm guest: > > qemu-system-x86_64 -append 'earlyprintk=ttyS0,115200,keep > console=ttyS0,115200 nmi_watchdog=0 root=/dev/sda1 bootmem_debug' > -kernel vmlinuz -usbdevice tablet -vnc :1 -net user -net > nic,model=e1000 -hda sarge-amd64-runme-1G.img -m 10240 -smp 2 > -- 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/