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

From: Nicolas Pitre
Date: Fri Jan 11 2019 - 14:39:39 EST


On Fri, 11 Jan 2019, Vito Caputo 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.
> >
> > Things get somewhat better with commit c96cf923a9 as brltty is not
> > longer incapacitated, but some programs would randomly crash. Even the
> > very first login attempt won't work as I soon as I hit enter after my
> > user name the password prompt is skipped over, just like if the enter
> > key had been hit twice. Then lynx (the text web browser) would crash as
> > soon as I switch the virtual console with LeftAlt+FN. Mind you, this
> > isn't easy to perform bisection in those conditions.
> >
> > And the worst commit i.e. 83d817f410 is marked for stable! :-(
>
> This all sounds familiar, and I suspect this is the fix:
>
> https://lkml.org/lkml/2019/1/8/1379

Yep, I confirm this patch did solve all my issues.


Nicolas