bug#24307: GNU Emacs 25.1.1 repeated system crash

[Eli Zaretskii]

> Cc: m.kupfer@acm.org, 24307@debbugs.gnu.org, jwiegley@gmail.com
> From: Andreas Röhler <andreas.roehler@easy-emacs.de>
> Date: Mon, 29 Aug 2016 08:09:50 +0200
> 
> >> This morning the keyboard messed up X-wide - backspace in X didn't work
> >> any more.
> >>
> >> Wrote the following into some buffer in sh-mode:
> >>
> >> ${WERKSTATT=1}
> >>
> >> See attached png what was displayed, when trying to M-x report-emacs-bug
> >> from emacs -Q
> > Looks like your Super key is stuck pressed?  Otherwise, why does the
> > image show a message about M-s-x being unbound?
> >
> > Other than that, I see nothing of interest in the image you posted.
> > Did I miss something?
> 
> Super key was nor pressed nor hang. No idea why that message appeared in 
> minibuffer.

However, that's our only clue at this point.  If the OS thought the
Super key was pressed, it could explain why Backspace didn't work, for
example.