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Re: lockdep warning when logging in with ssh

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: lockdep warning when logging in with ssh
From: Prarit Bhargava <prarit@xxxxxxxxxx>
Date: Wed, 10 Sep 2014 18:40:15 -0400
Cc: xfs@xxxxxxxxxxx, Eric Sandeen <esandeen@xxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20140910202348.GC27048@dastard>
References: <54109F93.9020206@xxxxxxxxxx> <20140910202348.GC27048@dastard>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131028 Thunderbird/17.0.10

On 09/10/2014 04:23 PM, Dave Chinner wrote:
> On Wed, Sep 10, 2014 at 02:59:31PM -0400, Prarit Bhargava wrote:
>> I see this when I attempt to login via ssh.  I do not see it if I login on
>> the serial console.  I recall seeing it earlier when chasing another patch 
>> but
>> cannot recall the kernel version.
> 
> It's the shmem code that is broken - instantiating an inode while
> holding the mmap_sem inverts lock orders all over the place,
> especially in the security subsystem....
> 

I'll send this off to Hugh Dickens then.

P.

> Cheers,
> 
> Dave.
> 

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