.
Thread 7 (Thread 0x7fd580d44640 (LWP 29398)):
#0  0x00007fd581c98cdf in __GI___poll (fds=0x55f9c405ade0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fd58500bad6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd584fb5173 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd584fb51c1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fd584fe64c1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd581c15927 in start_thread (arg=<optimized out>) at pthread_create.c:435
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140554966156864, 554441047000092241, 140727953790366, 140727953790367, 0, 140554957766656, -568926238814106031, -568923928765264303}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fd581ca59e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
No locals.
.
Thread 6 (Thread 0x7fd57b7fe640 (LWP 29400)):
#0  0x00007fd581c98cdf in __GI___poll (fds=0x7fd57b7fdb60, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fd5815f4562 in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#2  0x00007fd581c15927 in start_thread (arg=<optimized out>) at pthread_create.c:435
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140554876741184, 554441047000092241, 140727953788078, 140727953788079, 0, 140554868350976, -568803966463898031, -568923928765264303}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#3  0x00007fd581ca59e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
No locals.
.
Thread 5 (Thread 0x7fd579ffb640 (LWP 29419)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fd585005fdc in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd584f872e1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd584fe921a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fd584fe64c1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd581c15927 in start_thread (arg=<optimized out>) at pthread_create.c:435
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140554851563072, 554441047000092241, 140727953790302, 140727953790303, 0, 140554843172864, -568800667392143791, -568923928765264303}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fd581ca59e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
No locals.
.
Thread 4 (Thread 0x7fd57a7fc640 (LWP 29402)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fd585005fdc in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd584f872e1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd584fe921a in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fd584fe64c1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd581c15927 in start_thread (arg=<optimized out>) at pthread_create.c:435
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140554859955776, 554441047000092241, 140727953790302, 140727953790303, 0, 140554851565568, -568806164413411759, -568923928765264303}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fd581ca59e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
No locals.
.
Thread 3 (Thread 0x7fd57bfff640 (LWP 29399)):
#0  0x00007fd581c98cdf in __GI___poll (fds=0x55f9c4073910, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fd58500bad6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fd584fb7033 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fd584ea1cba in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fd584fe64c1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd581c15927 in start_thread (arg=<optimized out>) at pthread_create.c:435
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140554885133888, 554441047000092241, 140727953790654, 140727953790655, 0, 140554876743680, -568805067586138543, -568923928765264303}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fd581ca59e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
No locals.
.
Thread 2 (Thread 0x7fd57affd640 (LWP 29401)):
#0  0x00007fd581c98cdf in __GI___poll (fds=0x7fd56c000b60, nfds=2, timeout=2000) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fd5815f71c5 in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#2  0x00007fd5815f89d7 in libusb_handle_events_timeout_completed () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#3  0x00007fd58197dd5e in ?? () from /lib/x86_64-linux-gnu/libgusb.so.2
No symbol table info available.
#4  0x00007fd584fe64c1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fd581c15927 in start_thread (arg=<optimized out>) at pthread_create.c:435
        ret = <optimized out>
        pd = <optimized out>
        out = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140554868348480, 554441047000092241, 140727953788526, 140727953788527, 0, 140554859958272, -568807265535652271, -568923928765264303}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fd581ca59e4 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:100
No locals.
.
Thread 1 (Thread 0x7fd5812a9f40 (LWP 29387)):
#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=140554971815744) at pthread_kill.c:44
        tid = 29387
        ret = 0
        pd = 0x7fd5812a9f40
        old_mask = {__val = {0, 140555036753296, 140727953790848, 140554984022928, 140554984022928, 140554981760229, 94531224104640, 140554981756611, 94531224553712, 140554983267520, 7, 2048, 140552804761680, 17145506330663873388, 143, 2096}}
        ret = <optimized out>
        pd = <optimized out>
        old_mask = <optimized out>
        ret = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
        resultvar = <optimized out>
        resultvar = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
        __futex = <optimized out>
        resultvar = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
        __futex = <optimized out>
        __private = <optimized out>
        __oldval = <optimized out>
        result = <optimized out>
#1  __pthread_kill_internal (signo=6, threadid=140554971815744) at pthread_kill.c:80
No locals.
#2  __GI___pthread_kill (threadid=140554971815744, signo=signo@entry=6) at pthread_kill.c:91
No locals.
#3  0x00007fd581bc3476 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
        ret = <optimized out>
#4  0x00007fd581ba97b7 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x55f9c40f4900, sa_sigaction = 0x55f9c40f4900}, sa_mask = {__val = {140555035983111, 94531224279984, 140727953790752, 32, 140554482530704, 0, 3682997125964511488, 94531223971568, 18446744073709551488, 0, 94, 140727953790848, 140554984022928, 140554984022928, 140554981760229, 140554482530704}}, sa_flags = -2115707093, sa_restorer = 0x7fd585097de0 <__glib_assert_msg>}
        sigs = {__val = {32, 140554983267424, 140727953790848, 3682997125964511488, 140554482503232, 18446744073709551488, 0, 140727953790744, 117, 1, 140554482530704, 140554981760229, 140554482530704, 140555035964039, 140727953790744, 117}}
#5  0x00007fd584f80b7c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007fd584fdce4f in g_assertion_message_expr () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#7  0x00007fd581e15e26 in ?? () from /lib/x86_64-linux-gnu/libfprint-2.so.2
No symbol table info available.
#8  0x00007fd581e07423 in ?? () from /lib/x86_64-linux-gnu/libfprint-2.so.2
No symbol table info available.
#9  0x00007fd581e17c6a in ?? () from /lib/x86_64-linux-gnu/libfprint-2.so.2
No symbol table info available.
#10 0x00007fd584e3ed79 in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#11 0x00007fd584e3edbd in ?? () from /lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#12 0x00007fd584fb79b4 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#13 0x00007fd58500bb38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007fd584fb7033 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#15 0x000055f9c2362bec in ?? ()
No symbol table info available.
#16 0x00007fd581baafd0 in __libc_start_call_main (main=main@entry=0x55f9c23627b0, argc=argc@entry=1, argv=argv@entry=0x7ffdc7b21b88) at ../sysdeps/nptl/libc_start_call_main.h:58
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 554441046999961169, 140727953791880, 94531193546672, 0, 140555037060160, -555549871273800111, -568924405261005231}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#17 0x00007fd581bab07d in __libc_start_main_impl (main=0x55f9c23627b0, argc=1, argv=0x7ffdc7b21b88, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdc7b21b78) at ../csu/libc-start.c:409
No locals.
#18 0x000055f9c2362e25 in _start ()
No symbol table info available.