Oct 18 14:46:28 hostname systemd-coredump[12466]: Process 1037 (gnome-shell) of user 1000 dumped core.
                                                
                                                Stack trace of thread 1037:
                                                #0  0x00007fb421b6be43 n/a (libgbm.so.1)
                                                #1  0x00007fb414bc1921 n/a (i965_dri.so)
                                                #2  0x00007fb414bc1c51 n/a (i965_dri.so)
                                                #3  0x00007fb414bbd717 n/a (i965_dri.so)
                                                #4  0x00007fb42ae6e192 n/a (libmutter-cogl-1.so)
                                                #5  0x00007fb42ae2a714 n/a (libmutter-cogl-1.so)
                                                #6  0x00007fb42ae2aa74 cogl_framebuffer_clear4f (libmutter-cogl-1.so)
                                                #7  0x00007fb42ae2ac5f cogl_framebuffer_clear (libmutter-cogl-1.so)
                                                #8  0x00007fb42b90761f _st_create_shadow_pipeline_from_actor (libst-1.0.so)
                                                #9  0x00007fb42b9077ae n/a (libst-1.0.so)
                                                #10 0x00007fb42b90783f n/a (libst-1.0.so)
                                                #11 0x00007fb42b912298 n/a (libst-1.0.so)
                                                #12 0x00007fb42dc3b2c2 g_signal_emit_valist (libgobject-2.0.so.0)
                                                #13 0x00007fb42dc3c920 g_signal_emit (libgobject-2.0.so.0)
                                                #14 0x00007fb42b929e8e n/a (libst-1.0.so)
                                                #15 0x00007fb42b92a12b st_widget_style_changed (libst-1.0.so)
                                                #16 0x00007fb42b92b16b n/a (libst-1.0.so)
                                                #17 0x00007fb42dc3b2c2 g_signal_emit_valist (libgobject-2.0.so.0)
                                                #18 0x00007fb42dc3c920 g_signal_emit (libgobject-2.0.so.0)
                                                #19 0x00007fb42b929e8e n/a (libst-1.0.so)
                                                #20 0x00007fb42b92a12b st_widget_style_changed (libst-1.0.so)
                                                #21 0x00007fb42b92b16b n/a (libst-1.0.so)
                                                #22 0x00007fb42dc23602 g_closure_invoke (libgobject-2.0.so.0)
                                                #23 0x00007fb42dc36ae2 n/a (libgobject-2.0.so.0)
                                                #24 0x00007fb42dc3b696 g_signal_emit_valist (libgobject-2.0.so.0)
                                                #25 0x00007fb42dc3c920 g_signal_emit (libgobject-2.0.so.0)
                                                #26 0x00007fb42b929e8e n/a (libst-1.0.so)
                                                #27 0x00007fb42b92a12b st_widget_style_changed (libst-1.0.so)
                                                #28 0x00007fb42b92b16b n/a (libst-1.0.so)
                                                #29 0x00007fb42dc3bc01 g_signal_emit_valist (libgobject-2.0.so.0)
                                                #30 0x00007fb42dc3c920 g_signal_emit (libgobject-2.0.so.0)
                                                #31 0x00007fb42b929e8e n/a (libst-1.0.so)
                                                #32 0x00007fb42c62de18 n/a (libmutter-clutter-1.so)
                                                #33 0x00007fb42c62e276 n/a (libmutter-clutter-1.so)
                                                #34 0x00007fb42c62f1c0 n/a (libmutter-clutter-1.so)
                                                #35 0x00007fb42c62efec clutter_actor_realize (libmutter-clutter-1.so)
                                                #36 0x00007fb42c62e1cb n/a (libmutter-clutter-1.so)
                                                #37 0x00007fb42c622106 n/a (libmutter-clutter-1.so)
                                                #38 0x00007fb42c6225ce clutter_actor_insert_child_at_index (libmutter-clutter-1.so)
                                                #39 0x00007fb4282501c8 ffi_call_unix64 (libffi.so.6)
                                                #40 0x00007fb42824fc2a ffi_call (libffi.so.6)
                                                #41 0x00007fb42c8e8cbb n/a (libgjs.so.0)
                                                #42 0x00007fb42c8ea617 n/a (libgjs.so.0)
                                                #43 0x00007fb425f1b64d n/a (libmozjs-52.so.0)
                                                #44 0x00007fb425f0e687 n/a (libmozjs-52.so.0)
                                                #45 0x00007fb425f1ae97 n/a (libmozjs-52.so.0)
                                                #46 0x00007fb425f1b46f n/a (libmozjs-52.so.0)
                                                #47 0x00007fb425f1b779 n/a (libmozjs-52.so.0)
                                                #48 0x00007fb425d0b219 n/a (libmozjs-52.so.0)
                                                #49 0x000001ac0a65c3c6 n/a (n/a)
                                                #50 0x000055e26106fde0 n/a (n/a)
                                                #51 0x000001ac0a8c1365 n/a (n/a)
                                                #52 0x00007fb425c09d3e n/a (libmozjs-52.so.0)
                                                #53 0x00007fb425f1a9e3 n/a (libmozjs-52.so.0)
                                                #54 0x00007fb425f1ae97 n/a (libmozjs-52.so.0)
                                                #55 0x00007fb425f1b46f n/a (libmozjs-52.so.0)
                                                #56 0x00007fb425f1b779 n/a (libmozjs-52.so.0)
                                                #57 0x00007fb425d0b219 n/a (libmozjs-52.so.0)
                                                #58 0x000001ac0a65c3c6 n/a (n/a)

(gdb) x/i $pc
=> 0x7fb421b6be43:	mov    0x200(%rax),%rax
(gdb) i r
rax            0x6968632d7473616c	7595429818438738284
rbx            0x55e25e6b6d80	94430735068544
rcx            0x55e25e6bcd00	94430735092992
rdx            0x55e25e6b6db0	94430735068592
rsi            0x1002	4098
rdi            0x55e25e6b6d80	94430735068544
rbp            0x55e25e5c67c0	0x55e25e5c67c0
rsp            0x7fffd12a0588	0x7fffd12a0588
r8             0x1	1
r9             0x7fffd12a05c0	140736702580160
r10            0x55e261d0ff10	94430792056592
r11            0x0	0
r12            0x55e25e6bcd40	94430735093056
r13            0x1	1
r14            0x55e25e6bcb10	94430735092496
r15            0x7fb421b6be40	140411636465216
rip            0x7fb421b6be43	0x7fb421b6be43
eflags         0x10287	[ CF PF SF IF RF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
gs             0x0	0
(gdb) bt full
#0  0x00007fb421b6be43 in  () at /usr/lib/libgbm.so.1
#1  0x00007fb414bc1921 in  () at /usr/lib/xorg/modules/dri/i965_dri.so
#2  0x00007fb414bc1c51 in  () at /usr/lib/xorg/modules/dri/i965_dri.so
#3  0x00007fb414bbd717 in  () at /usr/lib/xorg/modules/dri/i965_dri.so
#4  0x00007fb42ae6e192 in  () at /usr/lib/mutter/libmutter-cogl-1.so
#5  0x00007fb42ae2a714 in  () at /usr/lib/mutter/libmutter-cogl-1.so
#6  0x00007fb42ae2aa74 in cogl_framebuffer_clear4f () at /usr/lib/mutter/libmutter-cogl-1.so
#7  0x00007fb42ae2ac5f in cogl_framebuffer_clear () at /usr/lib/mutter/libmutter-cogl-1.so
#8  0x00007fb42b90761f in _st_create_shadow_pipeline_from_actor () at /usr/lib/gnome-shell/libst-1.0.so
#9  0x00007fb42b9077ae in  () at /usr/lib/gnome-shell/libst-1.0.so
#10 0x00007fb42b90783f in  () at /usr/lib/gnome-shell/libst-1.0.so
#11 0x00007fb42b912298 in  () at /usr/lib/gnome-shell/libst-1.0.so
#12 0x00007fb42dc3b2c2 in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#13 0x00007fb42dc3c920 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#14 0x00007fb42b929e8e in  () at /usr/lib/gnome-shell/libst-1.0.so
#15 0x00007fb42b92a12b in st_widget_style_changed () at /usr/lib/gnome-shell/libst-1.0.so
#16 0x00007fb42b92b16b in  () at /usr/lib/gnome-shell/libst-1.0.so
#17 0x00007fb42dc3b2c2 in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#18 0x00007fb42dc3c920 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#19 0x00007fb42b929e8e in  () at /usr/lib/gnome-shell/libst-1.0.so
#20 0x00007fb42b92a12b in st_widget_style_changed () at /usr/lib/gnome-shell/libst-1.0.so
#21 0x00007fb42b92b16b in  () at /usr/lib/gnome-shell/libst-1.0.so
#22 0x00007fb42dc23602 in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#23 0x00007fb42dc36ae2 in  () at /usr/lib/libgobject-2.0.so.0
#24 0x00007fb42dc3b696 in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#25 0x00007fb42dc3c920 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#26 0x00007fb42b929e8e in  () at /usr/lib/gnome-shell/libst-1.0.so
#27 0x00007fb42b92a12b in st_widget_style_changed () at /usr/lib/gnome-shell/libst-1.0.so
#28 0x00007fb42b92b16b in  () at /usr/lib/gnome-shell/libst-1.0.so
#29 0x00007fb42dc3bc01 in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#30 0x00007fb42dc3c920 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#31 0x00007fb42b929e8e in  () at /usr/lib/gnome-shell/libst-1.0.so
#32 0x00007fb42c62de18 in  () at /usr/lib/mutter/libmutter-clutter-1.so
#33 0x00007fb42c62e276 in  () at /usr/lib/mutter/libmutter-clutter-1.so
#34 0x00007fb42c62f1c0 in  () at /usr/lib/mutter/libmutter-clutter-1.so
#35 0x00007fb42c62efec in clutter_actor_realize () at /usr/lib/mutter/libmutter-clutter-1.so
#36 0x00007fb42c62e1cb in  () at /usr/lib/mutter/libmutter-clutter-1.so
#37 0x00007fb42c622106 in  () at /usr/lib/mutter/libmutter-clutter-1.so
#38 0x00007fb42c6225ce in clutter_actor_insert_child_at_index () at /usr/lib/mutter/libmutter-clutter-1.so
#39 0x00007fb4282501c8 in ffi_call_unix64 () at /usr/lib/libffi.so.6
#40 0x00007fb42824fc2a in ffi_call () at /usr/lib/libffi.so.6
#41 0x00007fb42c8e8cbb in  () at /usr/lib/libgjs.so.0
#42 0x00007fb42c8ea617 in  () at /usr/lib/libgjs.so.0
#43 0x00007fb425f1b64d in  () at /usr/lib/libmozjs-52.so.0
#44 0x00007fb425f0e687 in  () at /usr/lib/libmozjs-52.so.0
#45 0x00007fb425f1ae97 in  () at /usr/lib/libmozjs-52.so.0
#46 0x00007fb425f1b46f in  () at /usr/lib/libmozjs-52.so.0
#47 0x00007fb425f1b779 in  () at /usr/lib/libmozjs-52.so.0
#48 0x00007fb425d0b219 in  () at /usr/lib/libmozjs-52.so.0
#49 0x000001ac0a65c3c6 in  ()
#50 0x00007fffd12a2a70 in  ()
#51 0x00007fffd12a2970 in  ()
#52 0xfff9000000000000 in  ()
#53 0x00007fb426321cc0 in  () at /usr/lib/libmozjs-52.so.0
#54 0x00007fb3e76739a0 in  ()
#55 0x000001ac0a8c1395 in  ()
#56 0x0000000000008820 in  ()
#57 0x00007fb3e69dba80 in  ()
#58 0x0000000000000000 in  ()

