From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755208AbaI3IOi (ORCPT ); Tue, 30 Sep 2014 04:14:38 -0400 Received: from mga01.intel.com ([192.55.52.88]:9877 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751017AbaI3IOf (ORCPT ); Tue, 30 Sep 2014 04:14:35 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,625,1406617200"; d="scan'208";a="607427747" Date: Tue, 30 Sep 2014 16:14:12 +0800 From: Fengguang Wu To: Steven Noonan Cc: Dave Hansen , Ingo Molnar , LKML , lkp@01.org Subject: [compiler/gcc4] a9f180345f5: -100.0% last_state.is_incomplete_run Message-ID: <20140930081412.GF9561@wfg-t540p.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Heirloom mailx 12.5 6/20/10 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Steven, FYI, we noticed that your commit a9f180345f5378ac87d80ed0bea55ba421d83859 ("compiler/gcc4: Make quirk for asm_volatile_goto() unconditional") fixed a number of machine boot failures in our LKP test farm. This is really helpful! Our gcc version is 4.9.1 (Debian 4.9.1-11). 569d6557ab957d6 a9f180345f5378ac87d80ed0b --------------- ------------------------- %stddev %change %stddev \ | / 1 ± 0% -100.0% 0 ± 0% lkp-st02/dd-write/5m-11HDD-RAID5-cfq-btrfs-100dd 1 ± 0% -100.0% 0 ± 0% TOTAL dmesg.kernel_BUG_at_fs/nfs/pagelist.c 569d6557ab957d6 a9f180345f5378ac87d80ed0b --------------- ------------------------- 1 ± 0% -100.0% 0 ± 0% lkp-st02/dd-write/5m-11HDD-RAID5-cfq-btrfs-100dd 1 ± 0% -100.0% 0 ± 0% TOTAL dmesg.Kernel_panic-not_syncing:Fatal_exception 569d6557ab957d6 a9f180345f5378ac87d80ed0b --------------- ------------------------- 1 ± 0% -100.0% 0 ± 0% lkp-st02/dd-write/5m-11HDD-RAID5-cfq-btrfs-100dd 1 ± 0% -100.0% 0 ± 0% TOTAL dmesg.invalid_opcode 569d6557ab957d6 a9f180345f5378ac87d80ed0b --------------- ------------------------- 1 ± 0% -100.0% 0 ± 0% ivb42/will-it-scale/futex4 1 ± 0% -100.0% 0 ± 0% ivb44/fsmark/1x-1t-1HDD-xfs-4M-60G-NoSync 1 ± 0% -100.0% 0 ± 0% ivb44/fsmark/1x-64t-1BRD_48G-btrfs-4M-40G-fsyncBeforeClose 1 ± 0% -100.0% 0 ± 0% lkp-bdw01/blogbench/1SSD-btrfs 1 ± 0% -100.0% 0 ± 0% lkp-hsw01/vm-scalability/300s-anon-rx-rand-mt 1 ± 0% -100.0% 0 ± 0% lkp-sbx04/will-it-scale/futex3 1 ± 0% -100.0% 0 ± 0% lkp-sbx04/will-it-scale/page_fault3 1 ± 0% -100.0% 0 ± 0% lkp-st02/dd-write/5m-11HDD-RAID5-cfq-btrfs-100dd 8 ± 0% -100.0% 0 ± 0% TOTAL last_state.is_incomplete_run 569d6557ab957d6 a9f180345f5378ac87d80ed0b --------------- ------------------------- 1 ± 0% -100.0% 0 ± 0% ivb42/will-it-scale/futex4 1 ± 0% -100.0% 0 ± 0% ivb44/fsmark/1x-1t-1HDD-xfs-4M-60G-NoSync 1 ± 0% -100.0% 0 ± 0% ivb44/fsmark/1x-64t-1BRD_48G-btrfs-4M-40G-fsyncBeforeClose 1 ± 0% -100.0% 0 ± 0% lkp-bdw01/blogbench/1SSD-btrfs 1 ± 0% -100.0% 0 ± 0% lkp-hsw01/vm-scalability/300s-anon-rx-rand-mt 1 ± 0% -100.0% 0 ± 0% lkp-sbx04/will-it-scale/futex3 1 ± 0% -100.0% 0 ± 0% lkp-sbx04/will-it-scale/page_fault3 1 ± 0% -100.0% 0 ± 0% lkp-st02/dd-write/5m-11HDD-RAID5-cfq-btrfs-100dd 8 ± 0% -100.0% 0 ± 0% TOTAL last_state.booting Thanks, Fengguang