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From: Chris Mason <clm@fb.com>
To: <dsterba@suse.cz>, Josh Boyer <jwboyer@fedoraproject.org>,
	<jbacik@fb.com>, linux-btrfs <linux-btrfs@vger.kernel.org>,
	"Linux-Kernel@Vger. Kernel. Org" <linux-kernel@vger.kernel.org>
Subject: Re: Btrfs lockdep with 3.15 merge window v3.14-751-g683b6c6f82a6
Date: Wed, 2 Apr 2014 15:43:45 -0400	[thread overview]
Message-ID: <533C6871.7060003@fb.com> (raw)
In-Reply-To: <20140402164709.GI29256@twin.jikos.cz>

On 04/02/2014 12:47 PM, David Sterba wrote:
> On Tue, Apr 01, 2014 at 06:23:11PM -0400, Josh Boyer wrote:
>> Below is a lockdep spew I have on a local VM running Linus' tree as of
>> this afternoon.  The specific git commit is v3.14-751-g683b6c6f82a6.
>
>> [  295.349016]        CPU0                    CPU1
>> [  295.349016]        ----                    ----
>> [  295.349016]   lock(&found->groups_sem);
>> [  295.349016]                                local_irq_disable();
>> [  295.349016]                                lock(&delayed_node->mutex);
>> [  295.349016]                                lock(&found->groups_sem);
>> [  295.349016]   <Interrupt>
>> [  295.349016]     lock(&delayed_node->mutex);
>
> Fixed by https://urldefense.proofpoint.com/v1/url?u=https://patchwork.kernel.org/patch/3894781/&k=ZVNjlDMF0FElm4dQtryO4A%3D%3D%0A&r=6%2FL0lzzDhu0Y1hL9xm%2BQyA%3D%3D%0A&m=R1vuFCUzlD4QksU2UH3APFiFgMVkwmMci%2Bktv%2BzqQnE%3D%0A&s=adbe2bfbb243d9781307cfff001f30c01afd35a32e0fb976ecca933ef4cebd26
>

I've got this lined up for my next pull as well.  I sent early this 
time, but more is going in.

-chris

      parent reply	other threads:[~2014-04-02 19:43 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-01 22:23 Btrfs lockdep with 3.15 merge window v3.14-751-g683b6c6f82a6 Josh Boyer
2014-04-02 16:47 ` David Sterba
2014-04-02 16:56   ` Josh Boyer
2014-04-02 19:35     ` Josh Boyer
2014-04-02 19:43   ` Chris Mason [this message]

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