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bug#10372: Emacs+Ansi-Term Display Glitches


From: Geoff Ferrari
Subject: bug#10372: Emacs+Ansi-Term Display Glitches
Date: Mon, 02 Jan 2012 16:30:18 +0000
User-agent: Mutt/1.5.21 (2010-09-15)

I tried disabling composite manager by adding the following to 
/etc/X11/xorg.conf

Section "Extensions"
    Option "Composite" "Disable"
EndSection

But it had no effect on the display glitches I mentioned. Any other
suggestions?

Maybe this bug will be solved in Emacs 24...

Geoffrey

On Tue, Dec 27, 2011 at 02:51:51AM +0000, Vladimir Murzin wrote:
> Hi!
> 
> Have you tried disabling composite manager?
> 
> I met similar problem several months ago. Turning of composite feature of 
> Metacity solved this problem for me.
> Best wishes, Vladimir Murzin
> 
> -----Original Message-----
> From: Geoff Ferrari <address@hidden>
> Sender: address@hidden: Mon, 26 Dec 2011 15:30:48 
> To: <address@hidden>
> Cc: <address@hidden>
> Subject: Emacs+Ansi-Term Display Glitches
> 
> Hi,
> 
> I'm experiencing some display glitches when using ansi-term to access a
> shell under the X11 version of emacs. There seem to be two separate
> glitches, and they're a little hard to describe so I've included a link
> to a video of the problem.
> 
> FIRST GLITCH
> 
> When I reach a full screen of text under ansi-term (i.e. once I've typed
> in a few commands and the history of these commands fills the screen, so
> that the input line is now at the bottom of the screen), the whole
> screen seems to either flash or jump every time I type a new character.
> 
> SECOND GLITCH
> 
> After I've either filled the screen using my own commands, or after I've
> used a programme such as top or mutt which takes over the whole screen,
> then the two lines at the top of the screen seem to persist. Running the
> "clear" command does not clear them, but they are cleared if I run the
> "reset" command.
> 
> You can see a download a video (7.6MB) of these glitches from:
> http://cloud.geoffreyferrari.com/apps/files_sharing/get.php?token=db8e2a6726e03d1816548e17447a1df626215ac4
> 
> Both of these problems occur on both the latest 64-bit versions of ubuntu and
> debian wheezy. With the terminal version of emacs I get the second
> problem (lines being left at the top of the screen) but not the first
> (no display jumpiness).
> 
> My version of emacs as reported in Ubuntu 11.10 is
> 
> "GNU Emacs 23.3.1 (x86_64-pc-linux-gnu, GTK+ Version 2.24.5)
>  of 2011-08-14 on allspice, modified by Debian"
> 
> I wonder if there's anything I can do to remove these annoying glitches,
> of whether they are a bug that should be reported.
> 
> Geoff
> 
> 
> 

-- 
Geoffrey Ferrari
Lecturer in Philosophy
Lady Margaret Hall

Office: 01865 [2]74381
Mobile: 07989 851364
web: geoffreyferrari.com





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