[Pkg-xfce-devel] Bug#684445: xfce4-terminal: unreliable refresh when scrolling in mosh

Ove Kåven ovek at arcticnet.no
Fri Aug 10 04:36:35 UTC 2012

Package: xfce4-terminal
Version: 0.4.8-1+b1
Severity: normal

This problem does not always happen. The most reliable way to
reproduce that I've found is:

- In xfce4-terminal, log into another host using mosh.
- If necessary, use "clear", so that the cursor is not at the bottom
- Choose a moderately-sided directory, and "ls" it a few times,
  until the cursor gets to the bottom and triggers a scroll.
  Ideally, the cursor should reach the bottom simultaneously
  with the need to scroll a few lines (not too many), in order
  for the problem to have a high probability of happening.

Result: the bottom line, or bottom few lines, are not drawn, the
space is simply blank. Temporarily covering the terminal with a
different window in order to force it to redraw fixes it, as does
forcing another scroll by hitting Enter again or something.
But it's annoying and distracting, especially since I also often
see the problem in other situations, such as when I use "less".

This only seems to happen with the combination mosh+xfce4-terminal.
It doesn't happen with regular ssh, and it doesn't happen with
gnome-terminal or xterm. The mosh version is 1.2.2-1.

Using "screen" doesn't change anything (both a mosh in a local screen,
and a remote screen in mosh, shows the problem).

And I don't use compositing, in case it matters.

-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (900, 'testing'), (800, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-3-686-pae (SMP w/2 CPU cores)
Locale: LANG=nb_NO.UTF-8, LC_CTYPE=nb_NO.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages xfce4-terminal depends on:
ii  exo-utils           0.6.2-5
ii  libatk1.0-0         2.4.0-2
ii  libc6               2.13-33
ii  libdbus-1-3         1.6.0-1
ii  libdbus-glib-1-2    0.100-1
ii  libexo-1-0          0.6.2-5
ii  libgdk-pixbuf2.0-0  2.26.1-1
ii  libglib2.0-0        2.32.3-1
ii  libgtk2.0-0         2.24.10-1
ii  libpango1.0-0       1.30.0-1
ii  libvte9             1:0.28.2-5
ii  libx11-6            2:1.5.0-1
ii  libxfce4util4       4.8.2-1

Versions of packages xfce4-terminal recommends:
ii  dbus-x11  1.6.0-1

xfce4-terminal suggests no packages.

-- no debconf information

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