Lua1 and Lua2 are two different lua threads.
Lua1 ---> GLWindow::show() ---> [... Qt stuff ...] ---> GLWindow:: initializeGL() ---> Lua2 ---> pcall: BANG!
#0 0x000000010000ff9d in luaT_gettmbyobj ()
#1 0x00000001000109be in call_binTM ()
#2 0x0000000100011228 in luaV_concat ()
#3 0x000000010000b893 in luaO_pushvfstring ()
#4 0x0000000100006345 in luaG_runerror ()
#5 0x00000001000066ac in luaG_typeerror ()
#6 0x00000001000078ee in luaD_precall ()
#7 0x0000000100007e1e in luaD_call ()
#8 0x0000000100007527 in luaD_rawrunprotected ()
#9 0x00000001000075a0 in luaD_pcall ()
#10 0x0000000100002fc7 in lua_pcall ()
#11 0x00000001000b6e9f in mimas::GLWindow::initializeGL (this=0x101d520a0) at GLWindow.h:178
#12 0x000000010020a3a4 in QGLWidget::glInit ()
#13 0x000000010020658c in QGLWidget::resizeEvent ()
#14 0x00000001010db2dc in QWidget::event ()
#15 0x000000010020d2d2 in QGLWidget::event ()
#16 0x00000001010847cd in QApplicationPrivate::notify_helper ()
#17 0x000000010108b23d in QApplication::notify ()
#18 0x000000010035997c in QCoreApplication::notifyInternal ()
#19 0x00000001010d83f7 in QWidgetPrivate::sendPendingMoveAndResizeEvents ()
#20 0x00000001010ddf38 in QWidgetPrivate::show_helper ()
#21 0x00000001010df60f in QWidget::setVisible ()
#22 0x00000001000ab97d in QWidget::show (this=0x101d520a0) at qwidget.h:487
#23 0x00000001000abba5 in mimas::GLWindow::show (this=0x101d520a0, L=0x100100080) at GLWindow.h:130
#24 0x00000001000aab0c in GLWindow_show (L=0x100100080) at /Users/gaspard/git/lubyk/modules/mimas/sub/GLWindow.cpp:261
#25 0x00000001000079e2 in luaD_precall ()
#26 0x00000001000125d5 in luaV_execute ()
#27 0x0000000100007e7d in luaD_call ()
#28 0x0000000100007527 in luaD_rawrunprotected ()
#29 0x00000001000075a0 in luaD_pcall ()
#30 0x0000000100002fc7 in lua_pcall ()
#31 0x00000001000016da in docall ()
#32 0x0000000100002150 in pmain ()
