.
Thread 5 (Thread 0x7f929cd58700 (LWP 6999)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:215
No locals.
#1  0x00007f92c37a77a5 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f92c3742271 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f92c374288a in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f92c378df74 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f92c378d7f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007f92c59aae9a in start_thread (arg=0x7f929cd58700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f929cd58700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6697618266602775300, 140735129090704, 140267673192896, 0, 3, -6640696218888002812, -6640782609489681660}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f92c47c074d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 0x7f929d559700 (LWP 6972)):
#0  0x00007f92c47b9ab3 in select () at ../sysdeps/unix/syscall-template.S:82
No locals.
#1  0x000000000053f733 in ?? ()
No symbol table info available.
#2  0x000000000056d5e2 in PyEval_EvalFrameEx ()
No symbol table info available.
#3  0x0000000000574c76 in PyEval_EvalCodeEx ()
No symbol table info available.
#4  0x00000000005355a0 in ?? ()
No symbol table info available.
#5  0x0000000000472f76 in PyObject_Call ()
No symbol table info available.
#6  0x00000000004bb025 in ?? ()
No symbol table info available.
#7  0x0000000000472f76 in PyObject_Call ()
No symbol table info available.
#8  0x00000000004768e6 in PyEval_CallObjectWithKeywords ()
No symbol table info available.
#9  0x00000000004e5a78 in ?? ()
No symbol table info available.
#10 0x00007f92c59aae9a in start_thread (arg=0x7f929d559700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f929d559700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6697618266602775300, 140735129105344, 140267681585600, 0, 3, -6640695119913245948, -6640782609489681660}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#11 0x00007f92c47c074d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#12 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f92b9dcb700 (LWP 6959)):
#0  0x00007f92c47b4d93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f92c376c136 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f92c376c59a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f92c30925a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f92c378d7f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f92c59aae9a in start_thread (arg=0x7f92b9dcb700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f92b9dcb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6697618266602775300, 140268176984944, 140268160203200, 0, 3, -6640614916767702268, -6640782609489681660}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f92c47c074d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f92badcd700 (LWP 6957)):
#0  0x00007f92c47b4d93 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007f92c376c136 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f92c376c59a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f92badd296b in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
No symbol table info available.
#4  0x00007f92c378d7f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f92c59aae9a in start_thread (arg=0x7f92badcd700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7f92badcd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6697618266602775300, 140735129078800, 140268176988608, 0, 3, -6640612718818188540, -6640782609489681660}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f92c47c074d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f92c5daf700 (LWP 6956)):
#0  0x00007f92c4706445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 6956
#1  0x00007f92c4709bab in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7f92c05365b0, sa_sigaction = 0x7f92c05365b0}, sa_mask = {__val = {140268338971389, 36, 41877824, 140735129104752, 140268337871730, 140268268643760, 206158430232, 140735129104768, 140735129104544, 140265049255214, 206158430256, 56271872, 140268341315360, 140268294956743, 1, 140735129109361}}, sa_flags = -997956861, sa_restorer = 0x7f92c0536580}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f92c46ff10e in __assert_fail_base (fmt=<optimized out>, assertion=0x7f92c05365b0 "((*&(&surface->ref_count)->ref_count) > 0)", file=0x7f92c0536580 "/build/buildd/cairo-1.10.2/src/cairo-surface.c", line=<optimized out>, function=<optimized out>) at assert.c:94
        str = 0x35aa400 "\320\r\311\002"
        total = 4096
#3  0x00007f92c46ff1b2 in __GI___assert_fail (assertion=0x7f92c05365b0 "((*&(&surface->ref_count)->ref_count) > 0)", file=0x7f92c0536580 "/build/buildd/cairo-1.10.2/src/cairo-surface.c", line=614, function=0x7f92c0536940 "cairo_surface_reference") at assert.c:103
No locals.
#4  0x00007f92c04e4b21 in cairo_surface_reference () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
No symbol table info available.
#5  0x00007f92c150a881 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#6  0x00007f92c150a988 in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#7  0x00007f92c1514a6e in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#8  0x00007f92c1514f78 in gdk_window_process_all_updates () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#9  0x00007f92c1867af9 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#10 0x00007f92c14f7d3f in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#11 0x00007f92c376bdda in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007f92c376c1a0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#13 0x00007f92c376c59a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007f92c18fa29d in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#15 0x00007f92c2dbca14 in ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#16 0x00007f92c2dbc435 in ffi_call () from /usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#17 0x00007f92c3c73900 in ?? () from /usr/lib/libgirepository-1.0.so.1
No symbol table info available.
#18 0x00007f92c3c74c6e in g_function_info_invoke () from /usr/lib/libgirepository-1.0.so.1
No symbol table info available.
#19 0x00007f92c3eadc48 in ?? () from /usr/lib/python2.7/dist-packages/gi/_gi.so
No symbol table info available.
#20 0x0000000000571c0e in PyEval_EvalFrameEx ()
No symbol table info available.
#21 0x0000000000574c76 in PyEval_EvalCodeEx ()
No symbol table info available.
#22 0x000000000056dc3e in PyEval_EvalFrameEx ()
No symbol table info available.
#23 0x000000000056db80 in PyEval_EvalFrameEx ()
No symbol table info available.
#24 0x0000000000574c76 in PyEval_EvalCodeEx ()
No symbol table info available.
#25 0x00000000005344b1 in PyRun_FileExFlags ()
No symbol table info available.
#26 0x0000000000535e03 in PyRun_SimpleFileExFlags ()
No symbol table info available.
#27 0x00000000005372ac in Py_Main ()
No symbol table info available.
#28 0x00007f92c46f176d in __libc_start_main (main=0x41b960 <main>, argc=2, ubp_av=0x7fff7360c048, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff7360c038) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 6697618266602775300, 4307304, 140735129108544, 0, 0, -6697874562351717628, -6640785739756428540}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x57ce70, 0x7fff7360c048}, data = {prev = 0x0, cleanup = 0x0, canceltype = 5754480}}}
        not_first_call = <optimized out>
#29 0x000000000041b991 in _start ()
No symbol table info available.