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Bug#544589: konsole: Very slow when using Misc-Fixed

Package: konsole
Version: 4:4.3.0-2
Severity: normal

I believe this problem began after upgrading from 4.2 to 4.3.

When I use the Fixed font in Konsole, which is a bitmapped font, it is
now very slow.  For instance, if I am using less and press spacebar to
see the next page, it takes about a second to respond to my command.
Typing text at a shell prompt isn't slow, but again ls -l on a large
directory feels very "blocky".

Switching to Bitstream Vera Sans Mono makes the problem go away, but I
really liked the Fixed font better.  It puzzles me because the Fixed
font should use far less CPU time to render in any case.

-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (99, 'experimental')
Architecture: i386 (i686)

Kernel: Linux 2.6.30-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages konsole depends on:
ii  kdebase-runtime             4:4.3.0-2+b3 runtime components from the offici
ii  kdelibs5                    4:4.3.0-2    core libraries for all KDE 4 appli
ii  libc6                       2.9-26       GNU C Library: Shared libraries
ii  libqt4-dbus                 4:4.5.2-2    Qt 4 D-Bus module
ii  libqtcore4                  4:4.5.2-2    Qt 4 core module
ii  libqtgui4                   4:4.5.2-2    Qt 4 GUI module
ii  libstdc++6                  4.4.1-3      The GNU Standard C++ Library v3
ii  libx11-6                    2:1.2.2-1    X11 client-side library
ii  libxrender1                 1:0.9.4-2    X Rendering Extension client libra

konsole recommends no packages.

konsole suggests no packages.

-- no debconf information

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