Bug#343295: gnome-terminal: Laggy with ncurses prgrams

Stéphane Rosi steph at via.ecp.fr
Wed Dec 14 08:51:44 UTC 2005


Package: gnome-terminal
Version: 2.10.0-3
Severity: normal

Hi!

When a program that uses ncurses is launched in gnome-terminal, the
terminal screen is laggy. I use libncurses5 (5.5-1).


For example, when configuring my kernel with 'make menuconfig', it often
takes more than one second before the screen is updated when changing
section or subsection (not when using up or down arrows). Sometimes when
the terminal is resized the ncurses screen isn't well resized too.

I have the same behaviour with aptitude. Moreover when looking for
packages using the built-in search tool, the characters may be doubled or
tripled if the screen is being updated because of the search while
typing.


This doesn't occurs in the console or with other terminal programs
(xterm or konsole for example), so I believe this bug is purely
gnome-terminal related, and not ncurses related.

I think with this would happen in gnome-terminal with every program that
uses ncurses and do large screen redrawings. I can test with other
programs or help debugging, just tell what to do! :)


Cheers,
-- 
Steph

-- System Information:
Debian Release: testing/unstable
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.14
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)

Versions of packages gnome-terminal depends on:
ii  gnome-control-center      1:2.10.2-1     utilities to configure the GNOME d
ii  gnome-terminal-data       2.10.0-3       Data files for the GNOME terminal 
ii  libatk1.0-0               1.10.3-1       The ATK accessibility toolkit
ii  libbonobo2-0              2.10.1-1       Bonobo CORBA interfaces library
ii  libc6                     2.3.5-8        GNU C Library: Shared libraries an
ii  libgconf2-4               2.10.1-6       GNOME configuration database syste
ii  libglade2-0               1:2.5.1-2      library to load .glade files at ru
ii  libglib2.0-0              2.8.3-1        The GLib library of C routines
ii  libgnome2-0               2.10.1-1       The GNOME 2 library - runtime file
ii  libgnomeui-0              2.10.1-1       The GNOME 2 libraries (User Interf
ii  libgtk2.0-0               2.6.10-1       The GTK+ graphical user interface 
ii  liborbit2                 1:2.12.4-1     libraries for ORBit2 - a CORBA ORB
ii  libpango1.0-0             1.8.2-3        Layout and rendering of internatio
ii  libpopt0                  1.7-5          lib for parsing cmdline parameters
ii  libstartup-notification0  0.8-1          library for program launch feedbac
ii  libvte4                   1:0.11.15-4    Terminal emulator widget for GTK+ 
ii  libx11-6                  6.8.2.dfsg.1-7 X Window System protocol client li
ii  scrollkeeper              0.3.14-10      A free electronic cataloging syste
ii  xlibs                     6.8.2.dfsg.1-7 X Window System client libraries m

Versions of packages gnome-terminal recommends:
ii  yelp                          2.10.0-3   Help browser for GNOME 2

-- no debconf information





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