[Pkg-xfce-devel] Bug#640842: xfwm4: Windows cease to respond to the mouse and cycling among windows triggers a beep

Alberto Aparici ygramul.el.multiple at gmail.com
Wed Sep 7 21:00:25 UTC 2011


Package: xfwm4
Version: 4.6.2-1
Severity: important


Sometimes happens that once initiated an XFCE session, the windows become
mostly insensitive to the mouse: they cannot be selected by clicking on
them, they cannot be moved around, the mouse does not recognise the 
windows' boundaries, etc. So, essentially, the mouse becomes useless.
There's a puzzling exception to this behaviour: the mouse does recognise 
the "close" buttons on the browser *tabs*, so the tabs can be closed (even 
though they cannot be selected!).

These issues are always accompanied by unoperativity of the window
cycling: pressing alt + tab triggers a beep, and nothing more.

There are several other issues that I have observed only a couple of
times (of a total of four): the xfce4 panel ceases to respond to the
mouse, only the workspace selector ceases to respond, and (once) the
keyboard was blocked and the whole graphical environment was rendered
unusable.

Unfortunately, I have not suceeded in identifying the cause for these
behaviours. They just seem to happen 'sometimes' (roughly once every four 
boots in the last two weeks). I have never used debugging symbols, so maybe 
it is possible to figure it out; if there's a protocol that can yield useful 
information, please tell me where to learn about it and I'll do my best.



-- System Information:
Debian Release: 6.0.2
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=es_ES.UTF-8, LC_CTYPE=es_ES.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages xfwm4 depends on:
ii  libc6                  2.11.2-10         Embedded GNU C Library: Shared lib
ii  libdbus-glib-1-2       0.88-2.1          simple interprocess messaging syst
ii  libglade2-0            1:2.6.4-1         library to load .glade files at ru
ii  libglib2.0-0           2.24.2-1          The GLib library of C routines
ii  libgtk2.0-0            2.20.1-2          The GTK+ graphical user interface 
ii  libpango1.0-0          1.28.3-1+squeeze2 Layout and rendering of internatio
ii  libstartup-notificatio 0.10-1            library for program launch feedbac
ii  libwnck22              2.30.4-2          Window Navigator Construction Kit 
ii  libx11-6               2:1.3.3-4         X11 client-side library
ii  libxcomposite1         1:0.4.2-1         X11 Composite extension library
ii  libxdamage1            1:1.1.3-1         X11 damaged region extension libra
ii  libxext6               2:1.1.2-1         X11 miscellaneous extension librar
ii  libxfce4util4          4.6.2-1           Utility functions library for Xfce
ii  libxfcegui4-4          4.6.4-1           Basic GUI C functions for Xfce4
ii  libxfconf-0-2          4.6.2-1           Client library for Xfce4 configure
ii  libxfixes3             1:4.0.5-1         X11 miscellaneous 'fixes' extensio
ii  libxrandr2             2:1.3.0-3         X11 RandR extension library
ii  libxrender1            1:0.9.6-1         X Rendering Extension client libra

Versions of packages xfwm4 recommends:
ii  librsvg2-common               2.26.3-1   SAX-based renderer library for SVG
ii  xfwm4-themes                  4.6.0-2    Theme files for xfwm4

Versions of packages xfwm4 suggests:
ii  xfce4                         4.6.2      Meta-package for the Xfce Lightwei

-- no debconf information





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