From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752988AbaCaHJA (ORCPT ); Mon, 31 Mar 2014 03:09:00 -0400 Received: from natasha.panasas.com ([209.166.131.148]:44526 "EHLO natasha.panasas.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752243AbaCaHI6 (ORCPT ); Mon, 31 Mar 2014 03:08:58 -0400 Message-ID: <53391483.9010800@panasas.com> Date: Mon, 31 Mar 2014 10:08:51 +0300 From: Boaz Harrosh User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7 MIME-Version: 1.0 To: Fengguang Wu CC: Subject: Re: [do_xor_speed] WARNING: CPU: 0 PID: 1 at init/main.c:708 do_one_initcall() References: <20140331003825.GA11782@localhost> In-Reply-To: <20140331003825.GA11782@localhost> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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? 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 >