From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753574AbaCaIOA (ORCPT ); Mon, 31 Mar 2014 04:14:00 -0400 Received: from mga11.intel.com ([192.55.52.93]:28077 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751195AbaCaIN5 (ORCPT ); Mon, 31 Mar 2014 04:13:57 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,763,1389772800"; d="scan'208";a="503368817" Date: Mon, 31 Mar 2014 16:13:46 +0800 From: Fengguang Wu To: Boaz Harrosh Cc: linux-kernel@vger.kernel.org Subject: Re: [do_xor_speed] WARNING: CPU: 0 PID: 1 at init/main.c:708 do_one_initcall() Message-ID: <20140331081346.GA5349@localhost> References: <20140331003825.GA11782@localhost> <53391483.9010800@panasas.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53391483.9010800@panasas.com> 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 Mon, Mar 31, 2014 at 10:08:51AM +0300, Boaz Harrosh wrote: > Sorry about that I forgot about the experimental rule, fixed now. > > Is there a way for a white list. With -experimental I need to say > every branch I do not want included is there a way to say only > the branches I do want included? Yes, sure. You can tell me a list of branch patterns that is suitable for testing and I can blacklist everything else in your tree. Thanks, Fengguang > Thanks > Boaz > > On 03/31/2014 03:38 AM, Fengguang Wu wrote: > > Greetings, > > > > I got the below dmesg and the first bad commit is > > > > git://git.open-osd.org/linux-open-osd.git bidi-mq > > > > commit 992e60a78e1c2c6996fd55c5fb11344ad1a4c189 > > Author: Boaz Harrosh > > AuthorDate: Thu Jul 19 15:22:37 2012 +0300 > > Commit: Boaz Harrosh > > CommitDate: Sun Mar 30 16:03:29 2014 +0300 > > > > RFC: do_xor_speed Broken on UML do to jiffies > > > > [ 0.413369] generic_sse: 70.500 MB/sec > > [ 0.415084] xor: using function: generic_sse (70.500 MB/sec) > > [ 0.416734] ------------[ cut here ]------------ > > [ 0.418634] WARNING: CPU: 0 PID: 1 at init/main.c:708 do_one_initcall+0x174/0x18b() > > [ 0.420050] initcall calibrate_xor_blocks+0x0/0x1cc returned with preemption imbalance > > [ 0.423371] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.14.0-rc8-00108-g992e60a #38 > > [ 0.426451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 > > [ 0.426700] 0000000000000000 ffff880000155d80 ffffffff823bd1f9 ffff880000155dc8 > > [ 0.432082] ffff880000155db8 ffffffff81084d37 ffffffff84684565 ffffffff846b9bc6 > > [ 0.435342] 0000000000000000 0000000000000000 0000000000000000 ffff880000155e18 > > [ 0.438786] Call Trace: > > [ 0.439766] [] dump_stack+0xa1/0x102 > > [ 0.440059] [] warn_slowpath_common+0x93/0xc1 > > [ 0.443380] [] ? do_one_initcall+0x174/0x18b > > [ 0.446707] [] ? do_xor_speed+0x12d/0x12d > > [ 0.448950] [] warn_slowpath_fmt+0x55/0x5e > > [ 0.450041] [] ? do_xor_speed+0x12d/0x12d > > [ 0.453372] [] do_one_initcall+0x174/0x18b > > [ 0.455645] [] kernel_init_freeable+0x35b/0x46d > > [ 0.456706] [] ? do_early_param+0xd7/0xd7 > > [ 0.460044] [] ? rest_init+0x15c/0x15c > > [ 0.463372] [] kernel_init+0x10/0x181 > > [ 0.465550] [] ret_from_fork+0x7c/0xb0 > > [ 0.466712] [] ? rest_init+0x15c/0x15c > > [ 0.470089] ---[ end trace 5d56b560c4cace50 ]--- > > [ 0.471938] prandom: seed boundary self test passed > > > > git bisect start 80b612bf90a8ebdd09dff5695d0357aeb78f963e 66e810ec9fff9cf5622a8326805ef310fd5b98e7 -- > > git bisect good ad95c966acc03bc906dff6b875a545379680f264 # 03:08 20+ 0 Merge remote-tracking branch 'linus/master' into bidi-mq > > git bisect bad 992e60a78e1c2c6996fd55c5fb11344ad1a4c189 # 03:09 0- 1 RFC: do_xor_speed Broken on UML do to jiffies > > # first bad commit: [992e60a78e1c2c6996fd55c5fb11344ad1a4c189] RFC: do_xor_speed Broken on UML do to jiffies > > git bisect good ad95c966acc03bc906dff6b875a545379680f264 # 03:20 60+ 0 Merge remote-tracking branch 'linus/master' into bidi-mq > > git bisect bad 80b612bf90a8ebdd09dff5695d0357aeb78f963e # 03:20 0- 19 {TODO} bsg: remove bogus (and fatal) check in bsg_register_queue > > git bisect good 981e893ed537cbaa08f8089d480db4165e6d71c0 # 03:31 60+ 0 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip > > git bisect good 201544be8c37dffbf069bb5fc9edb5674f8c1754 # 03:36 60+ 0 Add linux-next specific files for 20140328 > > > > > > This script may reproduce the error. > > > > ----------------------------------------------------------------------------- > > #!/bin/bash > > > > kernel=$1 > > > > kvm=( > > qemu-system-x86_64 -cpu kvm64 -enable-kvm > > -kernel $kernel > > -smp 2 > > -m 256M > > -net nic,vlan=0,macaddr=00:00:00:00:00:00,model=virtio > > -net user,vlan=0 > > -net nic,vlan=1,model=e1000 > > -net user,vlan=1 > > -boot order=nc > > -no-reboot > > -watchdog i6300esb > > -serial stdio > > -display none > > -monitor null > > ) > > > > append=( > > debug > > sched_debug > > apic=debug > > ignore_loglevel > > sysrq_always_enabled > > panic=10 > > prompt_ramdisk=0 > > earlyprintk=ttyS0,115200 > > console=ttyS0,115200 > > console=tty0 > > vga=normal > > root=/dev/ram0 > > rw > > ) > > > > "${kvm[@]}" --append "${append[*]}" > > ----------------------------------------------------------------------------- > > > > Thanks, > > Fengguang > >