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Date: Thu, 6 Aug 2009 01:31:44 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: mmotm 2009-08-06-00-30 uploaded
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On Thu, 6 Aug 2009 17:23:41 +0900 KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> wrote:

> On Thu, 06 Aug 2009 00:33:06 -0700
> akpm@linux-foundation.org wrote:
> 
> > The mm-of-the-moment snapshot 2009-08-06-00-30 has been uploaded to
> > 
> >    http://userweb.kernel.org/~akpm/mmotm/
> > 
> > and will soon be available at
> > 
> >    git://git.zen-sources.org/zen/mmotm.git
> > 
> > It contains the following patches against 2.6.31-rc5:
> > 
> 
> Known issue ?

yup.

> [    1.227119] INFO: trying to register non-static key.
> [    1.227300] the code is fine but needs lockdep annotation.
> [    1.227569] turning off the locking correctness validator.
> [    1.227590] Pid: 1, comm: swapper Not tainted 2.6.31-rc5-mm1 #1
> [    1.227609] Call Trace:
> [    1.228000]  [<ffffffff81062978>] __lock_acquire+0xf70/0x174d
> [    1.228000]  [<ffffffff813b541f>] ? __hw_addr_add+0x7c/0x115
> [    1.228000]  [<ffffffff81060b6d>] ? mark_held_locks+0x4d/0x6b
> [    1.228000]  [<ffffffff810bbf1c>] ? kmem_cache_alloc+0xa9/0x10c
> [    1.228000]  [<ffffffff81060de0>] ? trace_hardirqs_on_caller+0x10b/0x12f
> [    1.228000]  [<ffffffff81063216>] lock_acquire+0xc1/0xe5
> [    1.228000]  [<ffffffff813b9f0e>] ? alloc_netdev_mq+0x12a/0x214
> [    1.228000]  [<ffffffff814dd0a9>] _spin_lock_bh+0x31/0x3d
> [    1.228000]  [<ffffffff813b9f0e>] ? alloc_netdev_mq+0x12a/0x214
> [    1.228000]  [<ffffffff813b9f0e>] alloc_netdev_mq+0x12a/0x214
> [    1.228000]  [<ffffffff812eedeb>] ? loopback_setup+0x0/0x7b
> [    1.228000]  [<ffffffff8184aa7c>] loopback_net_init+0x30/0x7d
> [    1.228000]  [<ffffffff813b37be>] register_pernet_device+0x2d/0x5a
> [    1.228000]  [<ffffffff81851c15>] net_dev_init+0x143/0x1a1
> [    1.228000]  [<ffffffff81851ad2>] ? net_dev_init+0x0/0x1a1
> [    1.228000]  [<ffffffff8100905c>] do_one_initcall+0x56/0x130
> [    1.228000]  [<ffffffff81084c95>] ? register_irq_proc+0xb0/0xcc
> [    1.228000]  [<ffffffff81110000>] ? proc_fill_cache+0x27/0x132
> [    1.228000]  [<ffffffff81820678>] kernel_init+0x168/0x1be
> [    1.228000]  [<ffffffff8100cb5a>] child_rip+0xa/0x20
> [    1.228000]  [<ffffffff8100c53c>] ? restore_args+0x0/0x30
> [    1.228000]  [<ffffffff810acb75>] ? __get_vm_area_node+0x198/0x1e3
> [    1.228000]  [<ffffffff81055fc7>] ? up+0xf/0x39
> [    1.228000]  [<ffffffff81820510>] ? kernel_init+0x0/0x1be
> [    1.228000]  [<ffffffff8100cb50>] ? child_rip+0x0/0x20
> [    1.241276] cfg80211: Calling CRDA to update world regulatory domain

I think it's already fixed, actually.