From mboxrd@z Thu Jan  1 00:00:00 1970
From: Hugh Dickins <hughd@google.com>
Date: Wed, 07 Nov 2012 06:26:41 +0000
Subject: Re: tty, vt: lockdep warnings
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Sasha Levin <sasha.levin@oracle.com>, Daniel Vetter <daniel.vetter@ffwll.ch>, Sasha Levin <levinsasha928@gmail.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Jiri Slaby <jslaby@suse.cz>, linux-kernel@vger.kernel.org, Dave Jones <davej@redhat.com>, linux-fbdev@vger.kernel.org, florianSchandinat@gmx.de

On Tue, 6 Nov 2012, Hugh Dickins wrote:
> 
> Ah, now I actually scan through it, I see references to blank screen:
> I'll try taking off your patch and seeing if it came up at screen
> blanking time, then put on your patch back on and try again.
> I'll report back in an hour or two.

Yes, that was it.  When the console screen blanked on 3.7.0-rc3-mm1,
it generated that lockdep splat, visible once I unblanked.  But once I
applied your patch to the kernel, lockdep kept quiet across blank/unblank.

Thanks!
Hugh