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Re: [3.18.1] Lockdep detected a potential deadlock

To: "Alexander E. Patrakov" <patrakov@xxxxxxxxx>
Subject: Re: [3.18.1] Lockdep detected a potential deadlock
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Mon, 5 Jan 2015 09:47:43 +1100
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <54A80E66.3050803@xxxxxxxxx>
References: <54A80E66.3050803@xxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Sat, Jan 03, 2015 at 08:44:38PM +0500, Alexander E. Patrakov wrote:
> Hello.
> 
> In my dmesg, I found a warning about a potential deadlock, and xfs
> is mentioned there. The dmesg is attached. Could you please look?

http://oss.sgi.com/archives/xfs/2014-10/msg00319.html

The VFS splice locking architecture is broken - nothing we can do
about that in XFS....

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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