.
Thread 5 (Thread 0x7f2d22367700 (LWP 6542)):
#0  0x00007f2d2532805e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f2d2581dc05 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f2d257b3bb1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f2d258027ba in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f2d25802075 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f2d25323f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f2d2504de1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
.
Thread 4 (Thread 0x7f2d20b64700 (LWP 6540)):
#0  0x00007f2d2532805e in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f2d2581dc05 in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f2d257b3bb1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f2d258027ba in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f2d25802075 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f2d25323f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f2d2504de1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
.
Thread 3 (Thread 0x7f2d21365700 (LWP 6530)):
#0  0x00007f2d250413cd in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f2d23c53123 in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#2  0x00007f2d23c53d97 in libusb_handle_events_timeout_completed () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#3  0x00007f2d23c53e60 in libusb_handle_events_completed () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#4  0x00007f2d23c545d9 in ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#5  0x00007f2d23c549a4 in libusb_bulk_transfer () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
No symbol table info available.
#6  0x00007f2d25570b3a in ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
No symbol table info available.
#7  0x00007f2d25550b55 in LIBMTP_Read_Event () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
No symbol table info available.
#8  0x0000000000404afd in ?? ()
No symbol table info available.
#9  0x00007f2d25802075 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#10 0x00007f2d25323f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#11 0x00007f2d2504de1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
.
Thread 2 (Thread 0x7f2d22b68700 (LWP 6524)):
#0  0x00007f2d250413cd in poll () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f2d257de15c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f2d257de63a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f2d25fc40c6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f2d25802075 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f2d25323f8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#6  0x00007f2d2504de1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
.
Thread 1 (Thread 0x7f2d268b07c0 (LWP 6521)):
#0  0x00007f2d2649a0bc in ?? () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
No symbol table info available.
#1  0x00007f2d25aa57f2 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#2  0x00007f2d25aa6764 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#3  0x00007f2d25ac6fd3 in g_value_unset () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#4  0x00007f2d25abbd59 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#5  0x00007f2d25abbf42 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#6  0x00007f2d2649c46c in ?? () from /usr/lib/x86_64-linux-gnu/gvfs/libgvfsdaemon.so
No symbol table info available.
#7  0x00007f2d25f5edae in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#8  0x00007f2d25fbfb73 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#9  0x00007f2d25f5edae in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#10 0x00007f2d25fb5e3a in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#11 0x00007f2d25f5edae in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#12 0x00007f2d25f5eedc in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#13 0x00007f2d257dde85 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00007f2d257de1c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#15 0x00007f2d257de63a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#16 0x00000000004077c1 in ?? ()
No symbol table info available.
#17 0x0000000000403fb8 in ?? ()
No symbol table info available.
#18 0x00007f2d24f75ea5 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#19 0x0000000000403fed in ?? ()
No symbol table info available.