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I have a Ubuntu 13.10 server installed in VirtualBox on a Windows host. When I connect to it via SSH (tried Putty, Cygwin's OpenSSH and OS X terminal from a different machine) Emacs appears to be having screen (re)drawing issues. Here's my test scenario:

  1. emacs ~/.bashrc
  2. C-s HIST (incremental search for "HIST")
  3. keep hitting C-s (aka jump to the next search result)

After repeating no. 3 a few times, I end up with this:

image

The problem doesn't occur when using VirtualBox console. 12.04 works fine as well. Tried the emacs23-nox package, the latest emacs from ppa:cassou/emacs, emacs -q (skip start-up files), running it in a "screen" session, changing LC_ALL to C - all to no avail.

Any ideas what might be causing the issue?

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2
  • Try setting the TERM=xterm environment variable before starting emacs (export TERM=xterm or TERM=xterm emacs) or look in your Putty settings for the terminal type.
    – Lekensteyn
    Commented Feb 9, 2014 at 14:30
  • I'm afraid neither xterm nor xterm-256color help.
    – heypiotr
    Commented Feb 9, 2014 at 16:11

2 Answers 2

Reset to default
3

Huh, strange story. Changing the number of CPUs in VirtualBox from 2 to 1 fixed the problem.

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  • Had the same issue, fixed after changing the number of CPUs. Really strange behaviour.
    – Maxim 'Zert' Treskin
    Commented Jan 20, 2015 at 13:22
  • I confirm such behavior on vagarant with ubuntu/trusty64 box.
    – zyxue
    Commented Mar 15, 2016 at 19:37
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Here is a (brute force) workaround. This does NOT require you to set the number of CPUs to 1.

Add the following to your init.el (your emacs settings):

(add-hook 'isearch-update-post-hook 'redraw-display)
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