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Date: Tue, 8 Apr 2014 12:27:26 +0100
From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Dave Hansen <dave@sr71.net>
Cc: Geert Uytterhoeven <geert+renesas@linux-m68k.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        LKML <linux-kernel@vger.kernel.org>, linux-serial@vger.kernel.org,
        jslaby@suse.cz
Subject: Re: post 3.14 serial regression
Message-ID: <20140408122726.227f3da8@alan.etchedpixels.co.uk>
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> At the end, you can see that init is somehow dying.  If I revert this
> patch, init is happy again and doesn't die, and the serial console works
> like before.

Can you check if init is getting a SIGHUP - possibly its opening the
device and when it goes away gets a hangup which it isn't catching ?

Alan