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Date: Wed, 3 Sep 2014 15:36:36 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Mateusz Guzik <mjguzik@gmail.com>
Subject: Re: Anyone else seeing lockup on boot with r271042?
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On Wed, 3 Sep 2014, Mateusz Guzik wrote:

> On Wed, Sep 03, 2014 at 02:31:47PM -0600, Warren Block wrote:
>> With 10-STABLE r271042, my amd64 desktop system locks hard when devd
>> starts, or just after.
>>
>> Booting with devd disabled is possible, and it can be started after
>> the system is up.
>
> Can try to narrow down exact revision which introduces the problem?

Checking now.  r270986 is okay.  Based on the changes, I'm guessing it 
is some interaction with vt and moused triggered by devd.