From: Ingo Molnar <mingo@elte.hu>
To: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>,
Dmitry Adamushko <dmitry.adamushko@gmail.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Avi Kivity <avi@qumranet.com>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [BUG] CFS vs cpu hotplug
Date: Tue, 1 Jul 2008 11:31:24 +0200 [thread overview]
Message-ID: <20080701093124.GC31309@elte.hu> (raw)
In-Reply-To: <4869F770.6050103@cn.fujitsu.com>
* Lai Jiangshan <laijs@cn.fujitsu.com> wrote:
> The following oops still occurred whether this patch is applied or not.
> [<ffffffff8059372c>] notifier_call_chain+0x33/0x5b
> [<ffffffff802476a9>] __raw_notifier_call_chain+0x9/0xb
> [<ffffffff802476ba>] raw_notifier_call_chain+0xf/0x11
> [<ffffffff805736d6>] _cpu_down+0x191/0x256
> [<ffffffff805737c1>] cpu_down+0x26/0x36
> [<ffffffff805749c1>] store_online+0x32/0x75
> [<ffffffff803d1982>] sysdev_store+0x24/0x26
> [<ffffffff802d2551>] sysfs_write_file+0xe0/0x11c
> [<ffffffff80290e6b>] vfs_write+0xae/0x137
> [<ffffffff802913d3>] sys_write+0x47/0x70
> [<ffffffff8020b1eb>] system_call_after_swapgs+0x7b/0x80
hm, there were multiple problems in this area and a lot of dormant bugs.
Do you have this recent upstream commit in your tree:
| commit fcb43042ef55d2f46b0efa5d7746967cef38f056
| Author: Zhang, Yanmin <yanmin_zhang@linux.intel.com>
| Date: Tue Jun 24 16:06:23 2008 +0800
|
| x86: fix cpu hotplug crash
|
| Vegard Nossum reported crashes during cpu hotplug tests:
|
| http://marc.info/?l=linux-kernel&m=121413950227884&w=4
?
Ingo
next prev parent reply other threads:[~2008-07-01 9:33 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-19 16:19 [BUG] CFS vs cpu hotplug Heiko Carstens
2008-06-19 18:05 ` Peter Zijlstra
2008-06-19 18:14 ` Peter Zijlstra
2008-06-19 21:14 ` Heiko Carstens
2008-06-19 21:26 ` Peter Zijlstra
2008-06-19 21:17 ` Heiko Carstens
2008-06-19 21:32 ` Peter Zijlstra
2008-06-19 21:49 ` Heiko Carstens
2008-06-20 8:51 ` Peter Zijlstra
2008-06-20 22:19 ` Heiko Carstens
2008-06-20 11:44 ` Dmitry Adamushko
2008-06-20 22:23 ` Heiko Carstens
2008-06-25 22:12 ` Dmitry Adamushko
2008-06-28 22:16 ` Dmitry Adamushko
2008-06-29 6:55 ` Ingo Molnar
2008-06-30 9:07 ` Heiko Carstens
2008-06-30 9:17 ` Ingo Molnar
2008-07-01 9:22 ` Lai Jiangshan
2008-07-01 9:31 ` Ingo Molnar [this message]
2008-07-01 10:09 ` Lai Jiangshan
2008-07-02 7:13 ` Lai Jiangshan
2008-07-02 8:50 ` Dmitry Adamushko
2008-07-02 9:23 ` Lai Jiangshan
2008-07-07 10:26 ` Miao Xie
2008-07-07 11:31 ` Dmitry Adamushko
-- strict thread matches above, loose matches on Subject: below --
2008-07-09 22:32 Dmitry Adamushko
2008-07-10 7:30 ` Heiko Carstens
2008-07-10 7:39 ` Ingo Molnar
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