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Bug#490186: kwin starts eating all keypresses sometimes because of the keyboard shortcuts popup

Package: kwin
Version: 4:3.5.9.dfsg.1-2+b1
Severity: normal


kwin suffers of a nasty bug that is triggered by the "keyboard shortcuts"
popup. In KDE's Control Center
  -> Regional & Accessibility
  -> Keyboard Shortcuts
  -> Shortcut Sequences
  -> Desktop Switching

I have set shortcuts for "Switch to Desktop 1..20" to Win+Tab,1 (1-5, q-t, a-g,
z-b). So first row of keys (1-5) jumps to desktops 1-5, second (q-t) to
desktops 6-10 and so on.

When Win+Tab is pressed, KDE pops up a window at top left corner showing the
available combinations. The title is "Win+Tab,..." and contains a list of the
commands as well as bound keys ("Switch to Desktop 1     1"). Sometimes this
window is closed without the shortcut sequence being completed, which seems to
trigger the bug.

After the bug is triggered, no keyboard input will go to any applications.
Ctrl-Alt-F1 seems to work still though, and mouse does work normally - you can
still change focus of windows etc. Only cure to this I have figured is to kill
kicker and kwin from another X and restart them (DISPLAY=:0 kwin &).

I can't point out the exact version when this was introduced, but it has been
around for a long time.

Heikki Hokkanen

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

Kernel: Linux (SMP w/2 CPU cores)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
(ignored: LC_ALL set to en_GB.UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages kwin depends on:
ii  kdelibs4c2a          4:3.5.9.dfsg.1-2+b1 core libraries and binaries for al
ii  libc6                2.7-2               GNU C Library: Shared libraries
ii  libgcc1              1:4.3.0-1           GCC support library
ii  libice6              2:1.0.4-1           X11 Inter-Client Exchange library
ii  libqt3-mt            3:3.3.8b-4          Qt GUI Library (Threaded runtime v
ii  libsm6               2:1.0.3-1+b1        X11 Session Management library
ii  libstdc++6           4.3.0-1             The GNU Standard C++ Library v3
ii  libx11-6             2:1.0.3-7           X11 client-side library
ii  libxcomposite1       1:0.3.2-1+b1        X11 Composite extension library
ii  libxdamage1          1:1.1.1-3           X11 damaged region extension libra
ii  libxext6             1:1.0.3-2           X11 miscellaneous extension librar
ii  libxfixes3           1:4.0.3-2           X11 miscellaneous 'fixes' extensio
ii  libxrender1          1:0.9.4-1           X Rendering Extension client libra

kwin recommends no packages.

-- no debconf information

Heikki Hokkanen

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