From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752497AbaJ0L5n (ORCPT ); Mon, 27 Oct 2014 07:57:43 -0400 Received: from mga14.intel.com ([192.55.52.115]:5380 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751520AbaJ0L5m (ORCPT ); Mon, 27 Oct 2014 07:57:42 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,795,1406617200"; d="scan'208";a="612028079" From: Andi Kleen To: Alexei Starovoitov Cc: Peter Zijlstra , "linux-kernel\@vger.kernel.org" , Ingo Molnar , eranian@google.com, Thomas Gleixner , "Yan\, Zheng" Subject: Re: [PATCH 2/5] perf, x86, uncore: Add Haswell-EP uncore support References: <1409872109-31645-1-git-send-email-andi@firstfloor.org> <1409872109-31645-2-git-send-email-andi@firstfloor.org> Date: Mon, 27 Oct 2014 04:57:41 -0700 In-Reply-To: (Alexei Starovoitov's message of "Wed, 22 Oct 2014 12:07:56 -0700") Message-ID: <87sii9pvwq.fsf@tassilo.jf.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Alexei Starovoitov writes: > my E5-1630 v3 crashes hard during boot in > snbep_uncore_msr_init_box()+0x3c > I don't have a setup to capture the screen so early in the boot. > So this is just heads up. Is it a general general protection fault or a page fault? If it's a page fault please post the disassembled code: gdb vmlinux disassemble snbep_uncore_msr_init_box > I replaced the call above with 'return -ENODEV' as a workaround. > btw, E5-16xx v3 became available just a month ago. -Andi -- ak@linux.intel.com -- Speaking for myself only