bug#12906: 24.2.50; Parts of the screen are completely white

[Eli Zaretskii]

> From: "Fabrice Niessen" <fni@missioncriticalit.com>
> Cc: 12906@debbugs.gnu.org
> Date: Thu, 20 Dec 2012 09:38:04 +0100
> 
> Because of heavy workload (with the end of year holidays and so on), I cannot
> commit on being able to free up the time needed to do so, if this is
> configuration related.

Not really configuration related.  Rather, something in your
configuration triggers the bug.  And it's undoubtedly a bug, since
redraw-display fixes the display: some redisplay optimization
somewhere decides it's okay to take a shortcut, which it shouldn't.

> However, the first settings I'd suspect would be in the "Controlling the
> display" block. I'm copying it in case it'd trigger some alarm for someone:

Thanks, I will try with some of these settings.

> I *will* work with all these settings commented for the following hours and
> days, just to see whether the problem appears or not

Thanks, that will help.