[apport] beryl crashed with SIGSEGV in XCloseDisplay()

Binary package hint: beryl-core

With Beryl running...
System -> Preferences -> GL Desktop
Launches fine, everything looks disabled.
Click 'Close'

Beryl crashes.

Beryl produced this:
** (beryl-manager:8832): WARNING **: Beryl caught deadly signal 11
Window manager warning: "" found in configuration database is not a valid value for keybinding "toggle_shaded"

In the terminal it was launched from (with "beryl-manager").

ProblemType: Crash
Architecture: i386
Date: Fri Apr 6 14:55:14 2007
Disassembly: 0xb4908bc0:
DistroRelease: Ubuntu 7.04
ExecutablePath: /usr/bin/beryl
Package: beryl-core 0.2.1.dfsg+git20070318-0ubuntu2
PackageArchitecture: i386
ProcCmdline: beryl --skip-gl-yield
ProcCwd: /home/simon
ProcEnviron:
 SHELL=/bin/bash
 PATH=/home/simon/build/grails/current/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/bin/X11:/usr/games
 LANG=en_GB.UTF-8
 LANGUAGE=en_GB:en
Signal: 11
SourcePackage: beryl-core
Stacktrace:
 #0 0xb4908bc0 in ?? ()
 #1 0xb7b95ebd in XCloseDisplay () from /usr/lib/libX11.so.6
 #2 0x08056e01 in releaseDisplay ()
 #3 0x08052357 in main ()
StacktraceTop:
 ?? ()
 XCloseDisplay () from /usr/lib/libX11.so.6
 releaseDisplay ()
 main ()
Uname: Linux chase 2.6.20-14-generic #2 SMP Mon Apr 2 20:37:49 UTC 2007 i686 GNU/Linux
UserGroups: adm admin audio cdrom dialout dip floppy kvm lpadmin plugdev scanner video