Re: Btrfs lockdep with 3.15 merge window v3.14-751-g683b6c6f82a6

From: Josh Boyer
Date: Wed Apr 02 2014 - 12:57:08 EST


On Wed, Apr 2, 2014 at 12:47 PM, David Sterba <dsterba@xxxxxxx> 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://patchwork.kernel.org/patch/3894781/

Thanks for the pointer! I'll grab that and give it a shot on my VM.

josh
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