Necesito ayuda, probe el sokoban en la maquina virtual kubuntu ginga y no me funciono el juego, me sale el siguiente mensaje:

== PEM::createNclPlayer
FormatterMediator::printData(0xb610f648) baseId: -1 playerId: /home/virtualbox/boxman/boxman.ncl devClass: 0 x: 0 y: 0 w: 720 h: 576 enableGfx: 0 parentDocId: docId:
BroadcastSocketService::discoverBroadcastAddress Warning! can't discover broadcast address
PresentationContext::initializeSystemValues
PresentationContext::getPropertyValue prop 'default.focusBorderColor' == 'blue'
PresentationContext::getPropertyValue prop 'default.focusBorderWidth' == '3'
PresentationContext::getPropertyValue prop 'default.selBorderColor' == 'green'
FormatterFocusManager::setKeyHandler(0xb61170e0) isHandler '1' this->isHandler '0' parentManager '0'
FormatterMediator::FormatterMediator(0xb610f648) isEmbedded = '0'
PrivateBaseContext::addDocument id='LuaTest' url='/home/virtualbox/boxman/boxman.ncl' all done
FormatterMediator::getDepUriFromNode checking descriptor 'appDescriptor'
FormatterMultiDevice::addActiveUris activeBaseUri=/home/virtualbox/boxman/
Document ID: LuaTest
PresentationContext::getPropertyValue prop 'default.focusBorderTransparency' == '0'
PresentationContext::getPropertyValue prop 'default.focusBorderColor' == 'blue'
PresentationContext::getPropertyValue prop 'default.focusBorderWidth' == '3'
PresentationContext::getPropertyValue prop 'default.selBorderColor' == 'green'
*** !!!! FormatterScheduler::runAction start, event: 0xb6160fa8
FormatterScheduler::runAction acquiring player for '-1/LuaTest/application/appDescriptor' TimeStamp: 0.353
FormatterPlayerAdapter::createPlayer for '/home/virtualbox/boxman/main.lua'
*** !!!! FormatterScheduler::eventStateChanged start, event: 0xb6160fa8
PresentationContext::getPropertyValue prop 'service.currentKeyMaster' == 'appFocus'
*** !!!! FormatterScheduler::eventStateChanged end, event: 0xb6160fa8
*** !!!! FormatterScheduler::eventStateChanged start, event: 0xb6119568
*** !!!! FormatterScheduler::eventStateChanged end, event: 0xb6119568
(*) Direct/Interface: Loaded 'IMLIB2' implementation of 'IDirectFBImageProvider'.
/home/virtualbox/src/gingacc-system/src/io/interface/content/text/DFBFontProvider.cpp <98>:
(!) [ 2765: 0.000] --> Caught signal 11 (sent by the kernel) <--
(!!!) *** WARNING [still objects in 'Window Pool'] *** [../../../lib/fusion/object.c:241 in fusion_object_pool_destroy()]
(!!!) *** WARNING [still objects in 'Layer Region Pool'] *** [../../../lib/fusion/object.c:241 in fusion_object_pool_destroy()]
(!!!) *** WARNING [still objects in 'Layer Context Pool'] *** [../../../lib/fusion/object.c:241 in fusion_object_pool_destroy()]
(!!!) *** WARNING [still objects in 'Surface Pool'] *** [../../../lib/fusion/object.c:241 in fusion_object_pool_destroy()]
Aborted

Alguien tiene idea de porque?

Saludos y gracias!