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SubjectRe: [Xen-devel] [GIT PULL] (xen) stable/for-jens-3.14 : NFO: trying to register non-static key. the code is fine but needs lockdep annotation.
Hi Konrad,

Today decided to tryout another kernel RC and your pull request to Jens on top of it .. and I encoutered this one:


[ 438.029756] INFO: trying to register non-static key.
[ 438.029759] the code is fine but needs lockdep annotation.
[ 438.029760] turning off the locking correctness validator.
[ 438.029770] CPU: 3 PID: 9593 Comm: blkback.2.xvda Tainted: G W 3.14.0-rc2-20140211-pcireset-net-btrevert-xenblock+ #1
[ 438.029773] Hardware name: MSI MS-7640/890FXA-GD70 (MS-7640) , BIOS V1.8B1 09/13/2010
[ 438.029784] ffff88005224c4f0 ffff88004e5d9b68 ffffffff81b808c4 ffff88004ba2b510
[ 438.029791] 0000000000000002 ffff88004e5d9c38 ffffffff81116eab ffff88004e5d9bf8
[ 438.029798] ffffffff81117b35 0000000000000000 0000000000000000 ffffffff82cee570
[ 438.029799] Call Trace:
[ 438.029815] [<ffffffff81b808c4>] dump_stack+0x46/0x58
[ 438.029826] [<ffffffff81116eab>] __lock_acquire+0x1c2b/0x2220
[ 438.029833] [<ffffffff81117b35>] ? lock_acquire+0xe5/0x150
[ 438.029841] [<ffffffff81117b0d>] lock_acquire+0xbd/0x150
[ 438.029847] [<ffffffff810e5965>] ? flush_work+0x5/0x290
[ 438.029852] [<ffffffff810e599d>] flush_work+0x3d/0x290
[ 438.029856] [<ffffffff810e5965>] ? flush_work+0x5/0x290
[ 438.029863] [<ffffffff81117b35>] ? lock_acquire+0xe5/0x150
[ 438.029872] [<ffffffff816fef01>] ? xen_blkif_schedule+0x1a1/0x8d0
[ 438.029881] [<ffffffff81b8ae0d>] ? _raw_spin_unlock_irqrestore+0x6d/0x90
[ 438.029888] [<ffffffff8111392b>] ? trace_hardirqs_on_caller+0xfb/0x240
[ 438.029894] [<ffffffff81113a7d>] ? trace_hardirqs_on+0xd/0x10
[ 438.029901] [<ffffffff816fefe9>] xen_blkif_schedule+0x289/0x8d0
[ 438.029907] [<ffffffff8110d510>] ? __init_waitqueue_head+0x60/0x60
[ 438.029913] [<ffffffff81113a7d>] ? trace_hardirqs_on+0xd/0x10
[ 438.029919] [<ffffffff81b8ae21>] ? _raw_spin_unlock_irqrestore+0x81/0x90
[ 438.029925] [<ffffffff816fed60>] ? xen_blkif_be_int+0x40/0x40
[ 438.029932] [<ffffffff810ee374>] kthread+0xe4/0x100
[ 438.029938] [<ffffffff81b8afe0>] ? _raw_spin_unlock_irq+0x30/0x50
[ 438.029946] [<ffffffff810ee290>] ? __init_kthread_worker+0x70/0x70
[ 438.029951] [<ffffffff81b8c1fc>] ret_from_fork+0x7c/0xb0
[ 438.029958] [<ffffffff810ee290>] ? __init_kthread_worker+0x70/0x70

Doesn't seem to serious .. but never the less :-)

--

Sander


Monday, February 10, 2014, 8:54:02 PM, you wrote:

> On Mon, Feb 10 2014, Konrad Rzeszutek Wilk wrote:
>> Hey Jens,
>>
>> Please git pull the following branch:
>>
>> git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git stable/for-jens-3.14
>>
>> which is based off v3.13-rc6. If you would like me to rebase it on
>> a different branch/tag I would be more than happy to do so.

> Older is fine, it's only an issue if you are ahead of the branch you
> want to go into.

dd>>
>> The patches are all bug-fixes and hopefully can go in 3.14.
>>
>> They deal with xen-blkback shutdown and cause memory leaks
>> as well as shutdown races. They should go to stable tree and if you
>> are OK with I will ask them to backport those fixes.
>>
>> There is also a fix to xen-blkfront to deal with unexpected state
>> transition. And lastly a fix to the header where it was using the
>> __aligned__ unnecessarily.

> Pulled!




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