Crash on startup

[REB]

Binary package hint: brutalchess

Splashscreen displaying "Loading" then the program exits

ProblemType: Crash
Architecture: i386
AssertionMessage: brutalchess: radeon_dma.c:210: radeonRefillCurrentDmaRegion: Assertion `dma_bo->bo->cref == 1' failed.
CrashCounter: 1
Date: Sun Nov 1 17:11:06 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/games/brutalchess
Package: brutalchess 0.5.2+dfsg-3
ProcCmdline: brutalchess
ProcEnviron:
 LANGUAGE=fr_FR.UTF-8
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
Signal: 6
SourcePackage: brutalchess
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/tls/i686/cmov/libc.so.6
 abort () from /lib/tls/i686/cmov/libc.so.6
 __assert_fail () from /lib/tls/i686/cmov/libc.so.6
 radeonRefillCurrentDmaRegion ()
Title: brutalchess assert failure: brutalchess: radeon_dma.c:210: radeonRefillCurrentDmaRegion: Assertion `dma_bo->bo->cref == 1' failed.
Uname: Linux 2.6.31-14-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare video
XsessionErrors:
 (gnome-settings-daemon:1714): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:1714): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (polkit-gnome-authentication-agent-1:1820): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (nautilus:1802): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (nautilus:1910): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed