.
Thread 3 (Thread 0x7fedc6161700 (LWP 31261)):
#0  0x00007fedd05bc951 in __GI___poll (fds=0x7fedb4001430, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007fedd398d169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fedd398d502 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fedd3673b26 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fedd39b4645 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fedd089b7fc in start_thread (arg=0x7fedc6161700) at pthread_create.c:465
        pd = 0x7fedc6161700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140659207313152, -5068396305591502317, 140722622854398, 140722622854399, 140659207313152, 140659207313856, 5076397107434289683, 5076350054329022995}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fedd05c8b5f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
.
Thread 2 (Thread 0x7fedc6962700 (LWP 31260)):
#0  0x00007fedd05bc951 in __GI___poll (fds=0x55acec5df120, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007fedd398d169 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fedd398d27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fedd398d2c1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fedd39b4645 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fedd089b7fc in start_thread (arg=0x7fedc6962700) at pthread_create.c:465
        pd = 0x7fedc6962700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140659215705856, -5068396305591502317, 140722622854014, 140722622854015, 140659215705856, 140659215706560, 5076398206409046547, 5076350054329022995}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fedd05c8b5f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
.
Thread 1 (Thread 0x7fedd3e26ac0 (LWP 31259)):
#0  0x00007fedd31179f9 in udisks_partition_table_get_type_ () at /usr/lib/x86_64-linux-gnu/libudisks2.so.0
#1  0x000055acea5d45e0 in finish_cb ()
#2  0x00007fedd3362f9d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#3  0x00007fedd3375cde in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#4  0x00007fedd337e4b5 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#5  0x00007fedd337eecf in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#6  0x00007fedd33631d6 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7  0x00007fedd337e79f in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8  0x00007fedd337eecf in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9  0x00007fedd28ff7ad in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#10 0x00007fedd28ff805 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#11 0x00007fedd3362f9d in g_closure_invoke () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007fedd3375dae in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#13 0x00007fedd337e4b5 in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#14 0x00007fedd337eecf in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#15 0x00007fedd28fdc60 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#16 0x00007fedcf58adae in ffi_call_unix64 () at /usr/lib/x86_64-linux-gnu/libffi.so.6
#17 0x00007fedcf58a71f in ffi_call () at /usr/lib/x86_64-linux-gnu/libffi.so.6
#18 0x00007fedd3363b8d in g_cclosure_marshal_generic_va () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#19 0x00007fedd33631d6 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#20 0x00007fedd337e79f in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#21 0x00007fedd337eecf in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#22 0x00007fedd29bc676 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#23 0x00007fedd3365ea8 in g_cclosure_marshal_VOID__BOXEDv () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#24 0x00007fedd33631d6 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#25 0x00007fedd337e79f in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#26 0x00007fedd337eecf in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#27 0x00007fedd29b98de in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#28 0x00007fedd29baecb in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#29 0x00007fedd29bdbde in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#30 0x00007fedd298ae11 in gtk_event_controller_handle_event () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#31 0x00007fedd2b4f19b in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#32 0x00007fedd2a06367 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#33 0x00007fedd33631d6 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#34 0x00007fedd337e16d in g_signal_emit_valist () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#35 0x00007fedd337eecf in g_signal_emit () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#36 0x00007fedd2b51454 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#37 0x00007fedd2a031fe in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#38 0x00007fedd2a05378 in gtk_main_do_event () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#39 0x00007fedd25011d5 in  () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
#40 0x00007fedd25328c2 in  () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
#41 0x00007fedd398cfb7 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007fedd398d1f0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#43 0x00007fedd398d27c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#44 0x00007fedd3647c4d in g_application_run () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#45 0x000055acea5c9700 in main ()