Starting program: /usr/bin/mutter --mutter-plugins=libgnome-shell --replace
[Thread debugging using libthread_db enabled]
[New Thread 0x7fffebe9a700 (LWP 3290)]
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[Thread 0x7fffc89ff700 (LWP 3303) exited]
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[New Thread 0x7fffc7dc4700 (LWP 3306)]
[New Thread 0x7fffc3b50700 (LWP 3307)]
[New Thread 0x7fffd50ff700 (LWP 3308)]
[Thread 0x7fffc7dc4700 (LWP 3306) exited]
[Thread 0x7fffc75c3700 (LWP 3299) exited]
[Thread 0x7fffc3b50700 (LWP 3307) exited]

Program received signal SIGSEGV, Segmentation fault.
0x0000000000000000 in ?? ()
#0  0x0000000000000000 in ?? ()
#1  0x00007fffecff7a22 in ?? () from /usr/lib64/dri/r600_dri.so
#2  0x00007fffecff4432 in ?? () from /usr/lib64/dri/r600_dri.so
#3  0x00007fffecefff37 in ?? () from /usr/lib64/dri/r600_dri.so
#4  0x00007fffecf6de48 in ?? () from /usr/lib64/dri/r600_dri.so
#5  0x00007ffff598d695 in _cogl_read_pixels_with_rowstride (x=1, y=417, 
    width=22, height=22, source=<value optimized out>, 
    format=COGL_PIXEL_FORMAT_A_8, pixels=0x7fffe41b2220 "", rowstride=24)
    at ./cogl.c:631
#6  0x00007ffff59af70c in get_texture_bits_via_offscreen (
    texture_handle=0x160cf40, subtexture_coords=<value optimized out>, 
    virtual_coords=<value optimized out>, user_data=0x7fffffff9b00)
    at ./cogl-texture.c:1202
#7  texture_get_cb (texture_handle=0x160cf40, 
    subtexture_coords=<value optimized out>, 
    virtual_coords=<value optimized out>, user_data=0x7fffffff9b00)
    at ./cogl-texture.c:1316
#8  0x00007ffff59ae45f in _cogl_sub_texture_foreach_cb (handle=0x160cf40, 
    slice_coords=0x7fffffff9900, full_virtual_coords=<value optimized out>, 
    user_data=0x7fffffff9aa0) at ./cogl-sub-texture.c:176
#9  0x00007ffff59b0971 in _cogl_texture_2d_manual_repeat_cb (
    coords=0x7fffffff9980, user_data=<value optimized out>)
    at ./cogl-texture-2d.c:93
#10 0x00007ffff59aeda7 in _cogl_texture_iterate_manual_repeats (
    callback=0x7ffff59b0910 <_cogl_texture_2d_manual_repeat_cb>, 
    tx_1=0.00048828125, ty_1=<value optimized out>, tx_2=0.0112304688, 
    ty_2=<value optimized out>, user_data=0x7fffffff99c0)
    at ./cogl-texture.c:376
#11 0x00007ffff59b0861 in _cogl_texture_2d_foreach_sub_texture_in_region (
    tex=<value optimized out>, virtual_tx_1=<value optimized out>, 
    virtual_ty_1=<value optimized out>, virtual_tx_2=<value optimized out>, 
    virtual_ty_2=<value optimized out>, callback=<value optimized out>, 
    user_data=<value optimized out>) at ./cogl-texture-2d.c:119
#12 0x00007ffff59ae650 in _cogl_sub_texture_manual_repeat_cb (
    coords=<value optimized out>, user_data=0x7fffffff9aa0)
    at ./cogl-sub-texture.c:192
#13 0x00007ffff59aeda7 in _cogl_texture_iterate_manual_repeats (
    callback=0x7ffff59ae600 <_cogl_sub_texture_manual_repeat_cb>, tx_1=0, 
    ty_1=<value optimized out>, tx_2=1, ty_2=<value optimized out>, 
    user_data=0x7fffffff9aa0) at ./cogl-texture.c:376
#14 0x00007ffff59ae5f1 in _cogl_sub_texture_foreach_sub_texture_in_region (
    tex=<value optimized out>, virtual_tx_1=<value optimized out>, 
    virtual_ty_1=<value optimized out>, virtual_tx_2=<value optimized out>, 
    virtual_ty_2=<value optimized out>, callback=<value optimized out>, 
    user_data=<value optimized out>) at ./cogl-sub-texture.c:218
#15 0x00007ffff59b0254 in cogl_texture_get_data (handle=0x7fffe41b3170, 
    format=COGL_PIXEL_FORMAT_A_8, rowstride=24, data=0x7fffe41b2220 "")
    at ./cogl-texture.c:1427
#16 0x00007fffeb43e70a in _st_create_shadow_material (shadow_spec=0x1893e90, 
    src_texture=0x7fffe41b3170) at st/st-private.c:551
#17 0x00007fffeb45454b in st_theme_node_render_resources (node=0x1702a80, 
    box=<value optimized out>, paint_opacity=255 '\377')
    at st/st-theme-node-drawing.c:1214
#18 st_theme_node_paint (node=0x1702a80, box=<value optimized out>, 
    paint_opacity=255 '\377') at st/st-theme-node-drawing.c:1663
#19 0x00007fffeb45833e in st_widget_paint (actor=0x1594990)
    at st/st-widget.c:404
#20 0x00007fffeb43010a in st_bin_paint (self=0x1594990) at st/st-bin.c:113
#21 0x00007ffff184fdc7 in g_closure_invoke (closure=0xb90ea0, 
    return_value=0x0, n_param_values=1, param_values=0x1849220, 
    invocation_hint=0x7fffffffa0a0) at gclosure.c:767
#22 0x00007ffff18612b7 in signal_emit_unlocked_R (node=<value optimized out>, 
    detail=0, instance=0x1594990, emission_return=0x0, 
    instance_and_params=0x1849220) at gsignal.c:3290
#23 0x00007ffff186ad84 in g_signal_emit_valist (
    instance=<value optimized out>, signal_id=<value optimized out>, 
    detail=<value optimized out>, var_args=<value optimized out>)
    at gsignal.c:2983
#24 0x00007ffff186af53 in g_signal_emit (instance=<value optimized out>, 
    signal_id=<value optimized out>, detail=<value optimized out>)
    at gsignal.c:3040
#25 0x00007ffff5915a30 in clutter_actor_paint (self=0x1594990)
    at ./clutter-actor.c:2695
#26 0x00007ffff0b33b27 in g_list_foreach (list=<value optimized out>, 
    func=0x7ffff5915350 <clutter_actor_paint>, user_data=0x0) at glist.c:938
#27 0x00007ffff593f872 in clutter_group_real_paint (actor=0x15a1520)
    at ./clutter-group.c:281
#28 0x00007ffff184fdc7 in g_closure_invoke (closure=0xb90ea0, 
    return_value=0x0, n_param_values=1, param_values=0x7fffe4128d40, 
    invocation_hint=0x7fffffffa7e0) at gclosure.c:767
#29 0x00007ffff18612b7 in signal_emit_unlocked_R (node=<value optimized out>, 
    detail=0, instance=0x15a1520, emission_return=0x0, 
    instance_and_params=0x7fffe4128d40) at gsignal.c:3290
#30 0x00007ffff186ad84 in g_signal_emit_valist (
    instance=<value optimized out>, signal_id=<value optimized out>, 
    detail=<value optimized out>, var_args=<value optimized out>)
    at gsignal.c:2983
#31 0x00007ffff186af53 in g_signal_emit (instance=<value optimized out>, 
    signal_id=<value optimized out>, detail=<value optimized out>)
    at gsignal.c:3040
#32 0x00007ffff5915a30 in clutter_actor_paint (self=0x15a1520)
    at ./clutter-actor.c:2695
#33 0x00007ffff0b33b27 in g_list_foreach (list=<value optimized out>, 
    func=0x7ffff5915350 <clutter_actor_paint>, user_data=0x0) at glist.c:938
#34 0x00007ffff184fdc7 in g_closure_invoke (closure=0xb90ea0, 
    return_value=0x0, n_param_values=1, param_values=0x7fffe414ac60, 
    invocation_hint=0x7fffffffaf00) at gclosure.c:767
#35 0x00007ffff18612b7 in signal_emit_unlocked_R (node=<value optimized out>, 
    detail=0, instance=0x1599200, emission_return=0x0, 
    instance_and_params=0x7fffe414ac60) at gsignal.c:3290
#36 0x00007ffff186ad84 in g_signal_emit_valist (
    instance=<value optimized out>, signal_id=<value optimized out>, 
    detail=<value optimized out>, var_args=<value optimized out>)
    at gsignal.c:2983
#37 0x00007ffff186af53 in g_signal_emit (instance=<value optimized out>, 
    signal_id=<value optimized out>, detail=<value optimized out>)
    at gsignal.c:3040
#38 0x00007ffff5915a30 in clutter_actor_paint (self=0x1599200)
    at ./clutter-actor.c:2695
#39 0x00007ffff0b33b27 in g_list_foreach (list=<value optimized out>, 
    func=0x7ffff5915350 <clutter_actor_paint>, user_data=0x0) at glist.c:938
#40 0x00007ffff593f872 in clutter_group_real_paint (actor=0xb80590)
    at ./clutter-group.c:281
#41 0x00007ffff184fdc7 in g_closure_invoke (closure=0xb90ea0, 
    return_value=0x0, n_param_values=1, param_values=0x7fffe41a5f80, 
    invocation_hint=0x7fffffffb640) at gclosure.c:767
#42 0x00007ffff18612b7 in signal_emit_unlocked_R (node=<value optimized out>, 
    detail=0, instance=0xb80590, emission_return=0x0, 
    instance_and_params=0x7fffe41a5f80) at gsignal.c:3290
#43 0x00007ffff186ad84 in g_signal_emit_valist (
    instance=<value optimized out>, signal_id=<value optimized out>, 
    detail=<value optimized out>, var_args=<value optimized out>)
    at gsignal.c:2983
#44 0x00007ffff186af53 in g_signal_emit (instance=<value optimized out>, 
    signal_id=<value optimized out>, detail=<value optimized out>)
    at gsignal.c:3040
#45 0x00007ffff5915a30 in clutter_actor_paint (self=0xb80590)
    at ./clutter-actor.c:2695
#46 0x00007ffff0b33b27 in g_list_foreach (list=<value optimized out>, 
    func=0x7ffff5915350 <clutter_actor_paint>, user_data=0x0) at glist.c:938
#47 0x00007ffff593f872 in clutter_group_real_paint (actor=0xb80ab0)
    at ./clutter-group.c:281
#48 0x00007ffff184fdc7 in g_closure_invoke (closure=0xb90ea0, 
    return_value=0x0, n_param_values=1, param_values=0x7fffe414b180, 
    invocation_hint=0x7fffffffbd80) at gclosure.c:767
#49 0x00007ffff18612b7 in signal_emit_unlocked_R (node=<value optimized out>, 
    detail=0, instance=0xb80ab0, emission_return=0x0, 
    instance_and_params=0x7fffe414b180) at gsignal.c:3290
#50 0x00007ffff186ad84 in g_signal_emit_valist (
    instance=<value optimized out>, signal_id=<value optimized out>, 
    detail=<value optimized out>, var_args=<value optimized out>)
    at gsignal.c:2983
#51 0x00007ffff186af53 in g_signal_emit (instance=<value optimized out>, 
    signal_id=<value optimized out>, detail=<value optimized out>)
    at gsignal.c:3040
#52 0x00007ffff5915a30 in clutter_actor_paint (self=0xb80ab0)
    at ./clutter-actor.c:2695
#53 0x00007ffff0b33b27 in g_list_foreach (list=<value optimized out>, 
    func=0x7ffff5915350 <clutter_actor_paint>, user_data=0x0) at glist.c:938
#54 0x00007ffff593f872 in clutter_group_real_paint (actor=0xad20d0)
    at ./clutter-group.c:281
#55 0x00007ffff595fa14 in clutter_stage_paint (self=0xad20d0)
    at ./clutter-stage.c:446
#56 0x00007ffff184fe7a in g_closure_invoke (closure=0xb90ea0, 
    return_value=0x0, n_param_values=<value optimized out>, 
    param_values=0x18697a0, invocation_hint=0x7fffffffc4f0) at gclosure.c:767
#57 0x00007ffff18612b7 in signal_emit_unlocked_R (node=<value optimized out>, 
    detail=0, instance=0xad20d0, emission_return=0x0, 
    instance_and_params=0x18697a0) at gsignal.c:3290
#58 0x00007ffff186ad84 in g_signal_emit_valist (
    instance=<value optimized out>, signal_id=<value optimized out>, 
    detail=<value optimized out>, var_args=<value optimized out>)
    at gsignal.c:2983
#59 0x00007ffff186af53 in g_signal_emit (instance=<value optimized out>, 
    signal_id=<value optimized out>, detail=<value optimized out>)
    at gsignal.c:3040
#60 0x00007ffff5915a30 in clutter_actor_paint (self=0xad20d0)
    at ./clutter-actor.c:2695
#61 0x00007ffff5963809 in _clutter_stage_do_paint (stage=0xad20d0, 
    clip=<value optimized out>) at ./clutter-stage.c:385
#62 0x00007ffff5904998 in _clutter_stage_glx_redraw (stage_glx=0x6f6220, 
    stage=0xad20d0) at ./glx/clutter-stage-glx.c:500
#63 0x00007ffff59480bf in _clutter_do_redraw (stage=0xad20d0)
    at ./clutter-main.c:260
#64 0x00007ffff596048f in _clutter_stage_do_update (stage=0xad20d0)
    at ./clutter-stage.c:833
#65 0x00007ffff594aa80 in clutter_clock_dispatch (
    source=<value optimized out>, callback=<value optimized out>, 
    user_data=<value optimized out>) at ./clutter-master-clock.c:384
#66 0x00007ffff0b3837e in g_main_dispatch (context=0x6c5fc0) at gmain.c:2440
#67 g_main_context_dispatch (context=0x6c5fc0) at gmain.c:3013
#68 0x00007ffff0b38b68 in g_main_context_iterate (context=0x6c5fc0, block=1, 
    dispatch=1, self=<value optimized out>) at gmain.c:3091
#69 0x00007ffff0b391d2 in g_main_loop_run (loop=0x6ccbd0) at gmain.c:3299
#70 0x0000000000446b19 in main (argc=1, argv=0x7fffffffd428) at core/main.c:707