GNU bug report logs - #28589
27.0.50; Emacs screen often becomes blank

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Package: emacs;

Reported by: Katsumi Yamaoka <yamaoka <at> jpl.org>

Date: Mon, 25 Sep 2017 01:03:03 UTC

Severity: normal

Found in version 27.0.50

Done: Philipp Stephani <p.stephani2 <at> gmail.com>

Bug is archived. No further changes may be made.

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Message #8 received at 28589 <at> debbugs.gnu.org (full text, mbox):

From: Katsumi Yamaoka <yamaoka <at> jpl.org>
To: 28589 <at> debbugs.gnu.org
Subject: Re: bug#28589: 27.0.50; Emacs screen often becomes blank
Date: Tue, 26 Sep 2017 13:43:15 +0900

On Mon, 25 Sep 2017 10:01:30 +0900, Katsumi Yamaoka wrote:
> Emacs screen often becomes blank or blinks.  This didn't happen
> the last weekend, doesn't happen sometimes but often happens.
> Changing the window configuration --- scrolling a window, showing
> a message of two or more lines in the echo area, etc. --- seems
> to cause it.  More funny thing is, when two Emacsen are running,
> the one of which the frame is not selected becomes blank.
> Typing any key in the selected blank frame will help, as if
> (sit-for ∞) is running.

Reverting the change c0af83b[1] solves this problem.

[1]
Don't attempt to disable double buffering in newer GTK+ versions
<http://lists.gnu.org/archive/html/emacs-diffs/2017-09/msg00293.html>

> Thanks.

In GNU Emacs 27.0.50 (build 4, i686-pc-cygwin, GTK+ Version 3.18.9)
 of 2017-09-26 built on localhost
Windowing system distributor 'The Cygwin/X Project', version 11.0.11900000
This bug report was last modified 7 years and 243 days ago.

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