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Thread 1 (Thread 0xb7727850 (LWP 2083)):
#0  0x0723a126 in ?? () from /usr/lib/i386-linux-gnu/dri/i915_dri.so
No symbol table info available.
#1  0x0723c8fa in ?? () from /usr/lib/i386-linux-gnu/dri/i915_dri.so
No symbol table info available.
#2  0x07259377 in intelMakeCurrent () from /usr/lib/i386-linux-gnu/dri/i915_dri.so
No symbol table info available.
#3  0x072354ab in ?? () from /usr/lib/i386-linux-gnu/dri/i915_dri.so
No symbol table info available.
#4  0x04b4193d in ?? () from /usr/lib/i386-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#5  0x04b194d7 in glXMakeCurrentReadSGI () from /usr/lib/i386-linux-gnu/mesa/libGL.so.1
No symbol table info available.
#6  0x0056e493 in ?? () from /usr/lib/i386-linux-gnu/libcogl.so.5
No symbol table info available.
#7  0x00531684 in cogl_display_setup_EXP () from /usr/lib/i386-linux-gnu/libcogl.so.5
No symbol table info available.
#8  0x005309de in cogl_renderer_check_onscreen_template_EXP () from /usr/lib/i386-linux-gnu/libcogl.so.5
No symbol table info available.
#9  0x00d4f65f in ?? () from /usr/lib/i386-linux-gnu/libclutter-glx-1.0.so.0
No symbol table info available.
#10 0x00d717a2 in ?? () from /usr/lib/i386-linux-gnu/libclutter-glx-1.0.so.0
No symbol table info available.
#11 0x00d909f9 in ?? () from /usr/lib/i386-linux-gnu/libclutter-glx-1.0.so.0
No symbol table info available.
#12 0x00d9df93 in ?? () from /usr/lib/i386-linux-gnu/libclutter-glx-1.0.so.0
No symbol table info available.
#13 0x00d9e1fb in ?? () from /usr/lib/i386-linux-gnu/libclutter-glx-1.0.so.0
No symbol table info available.
#14 0x00613452 in g_option_context_parse () from /lib/i386-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#15 0x00d9f5ce in clutter_init () from /usr/lib/i386-linux-gnu/libclutter-glx-1.0.so.0
No symbol table info available.
#16 0x00116cbd in gtk_clutter_init () from /usr/lib/libclutter-gtk-1.0.so.0
No symbol table info available.
#17 0x08050b62 in _vala_main ()
No symbol table info available.
#18 0x0805028c in main ()
No symbol table info available.