arb crashes generally while creating new window

[westram]

just run demo.arb

backtrace:

(gdb) whe
#0  0x00007ffff6ede031 in AW_window_gtk::get_font_size (this=0x0, width=@0xc04374, height=@0xc04378) at AW_window_gtk.cxx:51
#1  0x00007ffff6ed674d in AW_window::get_font_size (this=0xc04320, width=@0xc04374, height=@0xc04378) at AW_window.cxx:1264
#2  0x00007ffff6e847c0 in AW_at::AW_at (this=0xc04358, pWindow=0xc04320) at AW_at.cxx:31
#3  0x00007ffff6ed777f in AW_window::AW_window (this=0xc04320, __vtt_parm=0x7ffff7118698) at AW_window.cxx:1553
#4  0x00007ffff6edf6c4 in AW_window_menu_modes::AW_window_menu_modes (this=0xc04320) at AW_window_menu_modes.cxx:11
#5  0x000000000050ded4 in popup_new_main_window (awr=0x9f4a20, clone=0) at NT_extern.cxx:1041
#6  0x0000000000513f61 in nt_create_main_window (aw_root=0x9f4a20) at NT_extern.cxx:1787
#7  0x000000000051672b in startup_mainwindow_and_dbserver (aw_root=0x9f4a20, autorun_macro=0x0) at NT_main.cxx:162
#8  0x0000000000516912 in load_and_startup_main_window (aw_root=0x9f4a20, autorun_macro=0x0) at NT_main.cxx:202
#9  0x00000000005188a4 in startup_gui (cl=..., error=...) at NT_main.cxx:908
#10 0x0000000000518cc6 in ARB_main (argc=2, argv=0x7fffffffe2f8) at NT_main.cxx:968
#11 0x00000000004f85cf in main (argc=2, argv=0x7fffffffe2f8) at arb_main.cxx:10
(gdb) 

[westram]

caused by [12399]

[westram]

by [12402]