. Thread 5 (Thread 0x7f29c4887700 (LWP 4610)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 No locals. #1 0x00007f29c8c1b955 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f29c8bb1c61 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f29c8c00cd8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007f29c8c00345 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f29c871ff6e in start_thread (arg=0x7f29c4887700) at pthread_create.c:311 __res = pd = 0x7f29c4887700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139817367664384, 1728534523625607168, 0, 139817456103520, 140734530407920, 4096, -1607936879346053120, -1607947664620908544}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #6 0x00007f29c844ae2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 No locals. . Thread 4 (Thread 0x7f29c5889700 (LWP 4603)): #0 pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 No locals. #1 0x00007f29c8c1b955 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f29c8bb1c61 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f29c8c00cd8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007f29c8c00345 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f29c871ff6e in start_thread (arg=0x7f29c5889700) at pthread_create.c:311 __res = pd = 0x7f29c5889700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139817384449792, 1728534523625607168, 0, 139817456103520, 140734530407824, 4096, -1607934683544023040, -1607947664620908544}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #6 0x00007f29c844ae2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 No locals. . Thread 3 (Thread 0x7f29c608a700 (LWP 4602)): #0 0x00007f29c843e3dd in poll () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007f29c8bdb6b4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #2 0x00007f29c8bdbb1a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #3 0x00007f29c93c3956 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f29c8c00345 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f29c871ff6e in start_thread (arg=0x7f29c608a700) at pthread_create.c:311 __res = pd = 0x7f29c608a700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139817392842496, 1728534523625607168, 0, 139817456103520, 140734530410000, 4096, -1607942380662288384, -1607947664620908544}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #6 0x00007f29c844ae2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 No locals. . Thread 2 (Thread 0x7f29c5088700 (LWP 4604)): #0 0x00007f29c843e3dd in poll () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007f29c704a198 in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0 No symbol table info available. #2 0x00007f29c871ff6e in start_thread (arg=0x7f29c5088700) at pthread_create.c:311 __res = pd = 0x7f29c5088700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139817376057088, 1728534523625607168, 0, 139817456103520, 139817433339680, 4096, -1607935780371296256, -1607947664620908544}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = 0 pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #3 0x00007f29c844ae2d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 No locals. . Thread 1 (Thread 0x7f29c9cba800 (LWP 4601)): #0 0x00007f29c98a5351 in ?? () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so No symbol table info available. #1 0x00007f29c9361bfe in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #2 0x00007f29c93c0348 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #3 0x00007f29c9361bfe in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f29c93b5b16 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #5 0x00007f29c9361bfe in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #6 0x00007f29c9361c6c in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #7 0x00007f29c8bdb3c6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #8 0x00007f29c8bdb718 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #9 0x00007f29c8bdbb1a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #10 0x00000000004099d1 in ?? () No symbol table info available. #11 0x0000000000404a08 in ?? () No symbol table info available. #12 0x00007f29c8372de5 in __libc_start_main (main=0x4049b0, argc=4, ubp_av=0x7fff4fb158d8, init=, fini=, rtld_fini=, stack_end=0x7fff4fb158c8) at libc-start.c:260 result = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1728534523625607168, 4213265, 140734530410704, 0, 0, -1728709772293435392, -1607947159346475008}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x409a60, 0x7fff4fb158d8}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4233824}}} not_first_call = #13 0x0000000000404a3a in ?? () No symbol table info available.