From: Boaz Harrosh <bharrosh@panasas.com>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: [do_xor_speed] WARNING: CPU: 0 PID: 1 at init/main.c:708 do_one_initcall()
Date: Mon, 31 Mar 2014 10:08:51 +0300 [thread overview]
Message-ID: <53391483.9010800@panasas.com> (raw)
In-Reply-To: <20140331003825.GA11782@localhost>
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 <bharrosh@panasas.com>
> AuthorDate: Thu Jul 19 15:22:37 2012 +0300
> Commit: Boaz Harrosh <boaz@plexistor.com>
> 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] [<ffffffff823bd1f9>] dump_stack+0xa1/0x102
> [ 0.440059] [<ffffffff81084d37>] warn_slowpath_common+0x93/0xc1
> [ 0.443380] [<ffffffff84684565>] ? do_one_initcall+0x174/0x18b
> [ 0.446707] [<ffffffff846b9bc6>] ? do_xor_speed+0x12d/0x12d
> [ 0.448950] [<ffffffff81084df0>] warn_slowpath_fmt+0x55/0x5e
> [ 0.450041] [<ffffffff846b9bc6>] ? do_xor_speed+0x12d/0x12d
> [ 0.453372] [<ffffffff84684565>] do_one_initcall+0x174/0x18b
> [ 0.455645] [<ffffffff846848d7>] kernel_init_freeable+0x35b/0x46d
> [ 0.456706] [<ffffffff84683992>] ? do_early_param+0xd7/0xd7
> [ 0.460044] [<ffffffff8239ea58>] ? rest_init+0x15c/0x15c
> [ 0.463372] [<ffffffff8239ea68>] kernel_init+0x10/0x181
> [ 0.465550] [<ffffffff823d890c>] ret_from_fork+0x7c/0xb0
> [ 0.466712] [<ffffffff8239ea58>] ? 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
>
next prev parent reply other threads:[~2014-03-31 7:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-31 0:38 [do_xor_speed] WARNING: CPU: 0 PID: 1 at init/main.c:708 do_one_initcall() Fengguang Wu
2014-03-31 7:08 ` Boaz Harrosh [this message]
2014-03-31 8:13 ` Fengguang Wu
2014-03-31 10:57 ` Boaz Harrosh
2014-03-31 11:18 ` Fengguang Wu
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