From: Alan Third <alan@idiocy.org>
To: Wasim Abbas <abbas.wasim@gmail.com>
Cc: 41187@debbugs.gnu.org
Subject: bug#41187: 28.0.50; Flipped text
Date: Sun, 9 Aug 2020 15:33:22 +0200 (CEST) [thread overview]
Message-ID: <20200809133320.GA40657@breton.holly.idiocy.org> (raw)
In-Reply-To: <E3A0A1BA-7959-4E1C-8DD7-3F70E0AC9C0E@gmail.com>
On Sun, Aug 09, 2020 at 10:50:23AM +0100, Wasim Abbas wrote:
> Yes this is the text from the file I have opened.
>
> I just did a quick test again today and I can reliably reproduce it.
> This time however it's not just flipped but corrupt frame buffer as
> it seems?
>
> Here is what I have tried. Open up a longish C++ header file. Scroll
> with mouse a few times. Nothing happened. Split the window
> vertically and the scrolled a few more time rapidly. The corruption
> started in that window only. Visited another buffer in that window
> “messages” buffer you can see the flipped text there as well.
>
> Visit the first window (is content was displayed correct so far, I
> think because its not refreshed yet) and move cursor up and down 1
> line at a time only that line is displayed wrong but also some other
> corruptions in random places.
It sounds suspiciously like we're flipping the bitmap and not
unflipping it, but I can't see how that happens.
Are you able to reproduce it with emacs -Q?
--
Alan Third
next prev parent reply other threads:[~2020-08-09 13:33 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-11 12:00 bug#41187: 28.0.50; Flipped text Wasim Abbas
2020-05-11 15:23 ` Eli Zaretskii
2020-05-12 9:51 ` Wasim Abbas
2020-05-14 21:05 ` Alan Third
2020-08-06 20:46 ` Alan Third
[not found] ` <E3A0A1BA-7959-4E1C-8DD7-3F70E0AC9C0E@gmail.com>
2020-08-09 13:33 ` Alan Third [this message]
2020-08-10 11:40 ` Wasim Abbas
2020-08-10 19:11 ` Alan Third
[not found] ` <3E909253-AB23-4E8E-9B81-D92937EC3BB4@gmail.com>
2020-08-17 14:17 ` Wasim Abbas
2020-12-20 10:50 ` Alan Third
2021-01-02 22:46 ` Alan Third
2021-01-06 14:30 ` Wasim Abbas
2021-01-06 18:33 ` Alan Third
2021-01-06 23:03 ` Wasim Abbas
2021-01-06 23:22 ` Alan Third
2021-01-07 10:47 ` Wasim Abbas
2021-01-07 19:48 ` Alan Third
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