linux-kernel - Re: commit 83d817f410 broke my ability to use Linux with a braille display

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Message-ID: <20190112080825.GA530@kroah.com>
Date:   Sat, 12 Jan 2019 09:08:25 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Nicolas Pitre <nico@...xnic.net>
Cc:     Dmitry Safonov <dima@...sta.com>, Jiri Slaby <jslaby@...e.cz>,
        Mark Rutland <mark.rutland@....com>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        Tycho Andersen <tycho@...ho.ws>, Dave Mielke <dave@...lke.cc>,
        linux-kernel@...r.kernel.org
Subject: Re: commit 83d817f410 broke my ability to use Linux with a braille
 display

On Fri, Jan 11, 2019 at 03:10:04PM -0500, Nicolas Pitre wrote:
> On Fri, 11 Jan 2019, Greg Kroah-Hartman wrote:
> 
> > On Fri, Jan 11, 2019 at 01:33:09PM -0500, Nicolas Pitre wrote:
> > > I use Linux with the help of a braille display and the brltty daemon. It 
> > > turns out that the latest mainline kernel I can work with comes from 
> > > commit 231f8fd0cc. Anything past that and I lose the ability to read the 
> > > console barely a few seconds after the system has booted as brltty is 
> > > thrown a wrench and the braille display becomes completely inoperable.
> > 
> > Please try the patch below, it was just queued up to my tree and should
> > resolve the issue.  If not, please let us know.
> 
> Yes, it works. Thanks.
> 
> I also re-validated all the vt/vcs patches I sent you this week for 
> which I started entertaining some doubts about their stability. But they 
> all work fine again with the tty fix applied.

Great, thanks for testing, I will get this patch to Linus soon.

greg k-h