Bug#598405: rosegarden randomly segfaults in various situations

[Fonso]

Package: rosegarden
Version: 1:10.04.2-1+b1
Severity: normal

I get random segfaults all over the place. Most happen on various actions in the notation editor, but sometimes
it also crashes in the main view when e.g. merging tracks. I haven't found a way to deterministically reproduce
any of the crashes, but they are so frequent that in the current state rosegarden in unusable.

-- System Information:
Debian Release: squeeze/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages rosegarden depends on:
ii  flac                    1.2.1-2+b1       Free Lossless Audio Codec - comman
ii  libasound2              1.0.23-2.1       shared library for ALSA applicatio
ii  libc6                   2.11.2-7         Embedded GNU C Library: Shared lib
ii  libfftw3-3              3.2.2-1          library for computing Fast Fourier
ii  libgcc1                 1:4.4.5-8        GCC support library
ii  libjack-jackd2-0 [libja 1.9.6~dfsg.1-2   JACK Audio Connection Kit (librari
ii  liblircclient0          0.8.3-5          infra-red remote control support -
ii  liblo7                  0.26~repack-5    Lightweight OSC library
ii  liblrdf0                0.4.0-3          a library to manipulate RDF files 
ii  libqt4-network          4:4.6.3-4        Qt 4 network module
ii  libqt4-qt3support       4:4.6.3-4        Qt 3 compatibility library for Qt 
ii  libqt4-xml              4:4.6.3-4        Qt 4 XML module
ii  libqtcore4              4:4.6.3-4        Qt 4 core module
ii  libqtgui4               4:4.6.3-4        Qt 4 GUI module
ii  libsamplerate0          0.1.7-3          Audio sample rate conversion libra
ii  libsndfile1             1.0.21-3         Library for reading/writing audio 
ii  libstdc++6              4.4.5-8          The GNU Standard C++ Library v3
ii  libx11-6                2:1.3.3-4        X11 client-side library
ii  libxml-twig-perl        1:3.34-1         Perl module for processing huge XM
ii  sndfile-programs        1.0.21-3         Sample programs that use libsndfil
ii  zlib1g                  1:1.2.3.4.dfsg-3 compression library - runtime

Versions of packages rosegarden recommends:
ii  amb-plugins [ladspa-plug 0.6.1-2         ambisonics LADPSA plugins
ii  blepvco [ladspa-plugin]  0.1.0-2         LADSPA, minBLEP-based, hard-sync-c
ii  blop [ladspa-plugin]     0.2.8-5         Bandlimited wavetable-based oscill
ii  cmt [ladspa-plugin]      1.16-1          a collection of LADSPA plugins
ii  csladspa [ladspa-plugin] 1:5.12.1~dfsg-5 LADSPA plugin for Csound
ii  cups-bsd [lpr]           1.4.4-7         Common UNIX Printing System(tm) - 
ii  ghostscript              8.71~dfsg2-6    The GPL Ghostscript PostScript/PDF
ii  iceweasel [www-browser]  3.5.15-1        Web browser based on Firefox
ii  invada-studio-plugins-la 0.3.1-1         Invada Studio Plugins - a set of L
ii  jackd                    5               JACK Audio Connection Kit (default
ii  konqueror [www-browser]  4:4.4.5-1       advanced file manager, web browser
ii  lilypond                 2.12.3-7        A program for typesetting sheet mu
ii  mcp-plugins [ladspa-plug 0.3.0-4         LADSPA plugins designed for Alsa M
ii  okular [pdf-viewer]      4:4.4.5-2       universal document viewer
ii  omins [ladspa-plugin]    0.2.0-6         a collection of LADSPA plugins aim
ii  rev-plugins [ladspa-plug 0.3.1-1         greverb-like ladspa plugin
ii  swh-plugins [ladspa-plug 0.4.15+1-4      Steve Harris's LADSPA plugins
ii  tap-plugins [ladspa-plug 0.7.0-2         Tom's Audio Processing LADSPA plug
ii  vco-plugins [ladspa-plug 0.3.0-1         LADSPA plugin sporting anti-aliase

Versions of packages rosegarden suggests:
ii  qjackctl                      0.3.6-1+b1 User interface for controlling the

-- no debconf information