This is the output from gdb: 
 
pj@isuck:~$ gdb --args mythtv 
GNU gdb 6.8 
Copyright (C) 2008 Free Software Foundation, Inc. 
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> 
This is free software: you are free to change and redistribute it. 
There is NO WARRANTY, to the extent permitted by law.  Type "show copying" 
and "show warranty" for details. 
This GDB was configured as "i686-pc-linux-gnu"... 
(gdb) run 
Starting program: /usr/bin/mythtv  
[Thread debugging using libthread_db enabled] 
2009-04-15 01:10:54.260 Using runtime prefix = /usr 
2009-04-15 01:10:54.270 DPMS is active. 
2009-04-15 01:10:54.271 Empty LocalHostName. 
2009-04-15 01:10:54.272 Using localhost value of isuck.fuck 
2009-04-15 01:10:54.274 Testing network connectivity to sucks 
[New Thread 0xb593a710 (LWP 15389)] 
2009-04-15 01:10:54.313 New DB connection, total: 1 
2009-04-15 01:10:54.319 Connected to database 'mythconverg' at host: sucks 
2009-04-15 01:10:54.321 Closing DB connection named 'DBManager0' 
2009-04-15 01:10:54.323 Primary screen 0. 
2009-04-15 01:10:54.325 Connected to database 'mythconverg' at host: sucks 
2009-04-15 01:10:54.328 Running in a window 
2009-04-15 01:10:54.329 Using screen 0, 1280x775 at 0,0 
[New Thread 0xb553ab90 (LWP 15400)] 
2009-04-15 01:10:54.340 No theme dir: /home/pj/.mythtv/themes/MythCenter-wide 
2009-04-15 01:10:54.719 max_width: 1280 max_height: 800 
2009-04-15 01:10:54.721 Primary screen 0. 
2009-04-15 01:10:54.722 Running in a window 
2009-04-15 01:10:54.722 Using screen 0, 1280x775 at 0,0 
2009-04-15 01:10:54.816 No theme dir: /home/pj/.mythtv/themes/MythCenter-wide 
2009-04-15 01:10:54.817 Switching to wide mode (MythCenter-wide) 
2009-04-15 01:10:54.846 Using the Qt painter 
[New Thread 0xb436eb90 (LWP 15401)] 
[New Thread 0xb3b6db90 (LWP 15402)] 
2009-04-15 01:10:54.851 JoystickMenuClient Error: Joystick disabled - Failed to read /home/pj/.mythtv/joystickmenurc 
[Thread 0xb3b6db90 (LWP 15402) exited] 
2009-04-15 01:10:54.854 New DB connection, total: 2 
2009-04-15 01:10:54.855 Connected to database 'mythconverg' at host: sucks 
2009-04-15 01:10:54.857 lirc init success using configuration file: /home/pj/.mythtv/lircrc 
 
Program received signal SIGSEGV, Segmentation fault. 
[Switching to Thread 0xb593a710 (LWP 15389)] 
0xb5d15177 in main_arena () from /lib/libc.so.6 
(gdb) bt 
#0  0xb5d15177 in main_arena () from /lib/libc.so.6 
#1  0xb5f815e2 in glXWaitX () from //usr//lib/opengl/xorg-x11/lib/libGL.so.1 
#2  0xb653ba07 in QGLWidget::resizeEvent () from /usr/qt/3/lib/libqt-mt.so.3 
#3  0xb630907b in QWidget::event () from /usr/qt/3/lib/libqt-mt.so.3 
#4  0xb626960d in QApplication::internalNotify () 
   from /usr/qt/3/lib/libqt-mt.so.3 
#5  0xb626a9a9 in QApplication::notify () from /usr/qt/3/lib/libqt-mt.so.3 
#6  0xb626b5da in QApplication::sendPostedEvents () 
   from /usr/qt/3/lib/libqt-mt.so.3 
#7  0xb6308052 in QWidget::show () from /usr/qt/3/lib/libqt-mt.so.3 
#8  0xb697e6c5 in MythMainWindow::Show (this=0x9e9d7b8) 
    at mythmainwindow.cpp:605 
#9  0xb697e952 in MythMainWindow::Init (this=0x9e9d7b8) 
    at mythmainwindow.cpp:595 
#10 0x0804d5ba in main (argc=1, argv=0xbf812904) at main.cpp:267 
(gdb)