. Thread 5 (Thread 0x7fc925315700 (LWP 3421)): #0 0x00007fc92f48fcdd in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc92c44b1cd in () at /lib/x86_64-linux-gnu/libusb-1.0.so.0 #2 0x00007fc92c44c130 in libusb_handle_events_timeout_completed () at /lib/x86_64-linux-gnu/libusb-1.0.so.0 #3 0x00007fc92c44c22f in libusb_handle_events () at /lib/x86_64-linux-gnu/libusb-1.0.so.0 #4 0x00007fc93014ec11 in () at /usr/lib/x86_64-linux-gnu/libgusb.so.2 #5 0x00007fc9309685f5 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007fc92f75f74a in start_thread (arg=0x7fc925315700) at pthread_create.c:456 __res = pd = 0x7fc925315700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140501889144576, 6576207677761404053, 140726770173726, 140726770173727, 140501889145280, 140501889144576, -6570425950181639019, -6570403442073781099}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #7 0x00007fc92f49bcaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97 . Thread 4 (Thread 0x7fc91dab3700 (LWP 3447)): #0 0x00007fc92f48fcdd in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc930941119 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fc9309414b2 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fc930628986 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007fc9309685f5 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fc92f75f74a in start_thread (arg=0x7fc91dab3700) at pthread_create.c:456 __res = pd = 0x7fc91dab3700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140501762914048, 6576207677761404053, 140726770173294, 140726770173295, 140501762914752, 140501762914048, -6570372128872711019, -6570403442073781099}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #6 0x00007fc92f49bcaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97 . Thread 3 (Thread 0x7fc926317700 (LWP 3416)): #0 0x00007fc92f48fcdd in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc930941119 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007fc93094122c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fc930941271 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fc9309685f5 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fc92f75f74a in start_thread (arg=0x7fc926317700) at pthread_create.c:456 __res = pd = 0x7fc926317700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140501905929984, 6576207677761404053, 140726770173246, 140726770173247, 140501905930688, 140501905929984, -6570419354185614187, -6570403442073781099}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #6 0x00007fc92f49bcaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97 . Thread 2 (Thread 0x7fc925b16700 (LWP 3418)): #0 0x00007fc92f48fcdd in poll () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fc92c4516ff in () at /lib/x86_64-linux-gnu/libusb-1.0.so.0 #2 0x00007fc92f75f74a in start_thread (arg=0x7fc925b16700) at pthread_create.c:456 __res = pd = 0x7fc925b16700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140501897537280, 6576207677761404053, 140726770173582, 140726770173583, 140501897537984, 140501897537280, -6570424851206882155, -6570403442073781099}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #3 0x00007fc92f49bcaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97 . Thread 1 (Thread 0x7fc931c86940 (LWP 3385)): #0 0x000055e632d68c7f in fu_plugin_device_add () #1 0x000055e632d68dbd in () #2 0x00007fc930941853 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007fc930940dd5 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007fc9309411a0 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007fc9309414b2 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x000055e632d5a8b2 in main ()