(gdb) t a a bt full

Thread 11 (Thread 0xb59153c0 (LWP 2973)):
#0  0xb5bf79f4 in ?? ()
No symbol table info available.
#1  0xb5919ca0 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 10 (Thread 0xb51153c0 (LWP 2974)):
#0  0xb5bf713c in ?? ()
No symbol table info available.
#1  0xb5c0e4d8 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 9 (Thread 0xb49153c0 (LWP 2975)):
#0  0xb6ad9712 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0xb6d4e918 in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service.so.2
No symbol table info available.
#2  0xb6d4f4b2 in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service.so.2
No symbol table info available.
#3  0xb6d45d14 in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service.so.2
No symbol table info available.
#4  0xb6be6360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
        __t = <optimized out>
Python Exception <class 'gdb.error'> There is no member named _M_use_count.: 
        __local = 
#5  0xb6c1df98 in start_thread (arg=0xb49153c0) at pthread_create.c:311
        pd = 0xb49153c0
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1265543720, -1265544256, 0, -1265545792, -1265545472, -1265543692, 0, -1095604656, -1603726354, -1573289633, 0 <repeats 54 times>}, 
              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  0xb6ad922c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
No locals.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 8 (Thread 0xb41153c0 (LWP 2976)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
---Type <return> to continue, or q <return> to quit---
No locals.
#1  0xb6c21192 in __pthread_cond_wait (cond=0xb4114cf8, mutex=0x13bc600) at pthread_cond_wait.c:187
        _a2 = 128
        _nametmp = 240
        _a3tmp = 1
        _a3 = 1
        _a1 = -1273934596
        _a4tmp = 0
        _a4 = 0
        _name = 240
        __ret = <optimized out>
        futex_val = 1
        buffer = {__routine = 0xb6c20f6d <__condvar_cleanup>, __arg = 0xb4114c68, __canceltype = 0, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0xb4114cf8, mutex = 0x13bc600, bc_seq = 0}
        err = <optimized out>
        pshared = 0
        pi_flag = 0
        val = <optimized out>
        seq = 0
#2  0xb6d4f5a2 in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service.so.2
No symbol table info available.
#3  0xb6d45d14 in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service.so.2
No symbol table info available.
#4  0xb6be6360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
        __t = <optimized out>
Python Exception <class 'gdb.error'> There is no member named _M_use_count.: 
        __local = 
#5  0xb6c1df98 in start_thread (arg=0xb41153c0) at pthread_create.c:311
        pd = 0xb41153c0
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1273932328, -1273932864, 0, -1273934400, -1273934080, -1273932300, 0, -1095604656, -1595337746, -1573289633, 0 <repeats 54 times>}, 
              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  0xb6ad922c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
No locals.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 7 (Thread 0xb37ff3c0 (LWP 2977)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
No locals.
---Type <return> to continue, or q <return> to quit---
#1  0xb6c21192 in __pthread_cond_wait (cond=0x13d5898, mutex=0x13d5dd0) at pthread_cond_wait.c:187
        _a2 = 128
        _nametmp = 240
        _a3tmp = 22
        _a3 = 22
        _a1 = 20797596
        _a4tmp = 0
        _a4 = 0
        _name = 240
        __ret = <optimized out>
        futex_val = 22
        buffer = {__routine = 0xb6c20f6d <__condvar_cleanup>, __arg = 0xb37febd8, __canceltype = -1225752816, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0x13d5898, mutex = 0x13d5dd0, bc_seq = 0}
        err = <optimized out>
        pshared = 0
        pi_flag = 0
        val = <optimized out>
        seq = 9
#2  0xb6a14a5e in ?? () from /lib/arm-linux-gnueabihf/libdbus-1.so.3
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 6 (Thread 0xb2dff3c0 (LWP 2978)):
#0  0xb6ad9712 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0xb6c8b328 in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service-connectivity.so.2
No symbol table info available.
#2  0xb6c8e62e in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service-connectivity.so.2
No symbol table info available.
#3  0xb6c8ea7a in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service-connectivity.so.2
No symbol table info available.
#4  0xb6be6360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
        __t = <optimized out>
Python Exception <class 'gdb.error'> There is no member named _M_use_count.: 
        __local = 
#5  0xb6c1df98 in start_thread (arg=0xb2dff3c0) at pthread_create.c:311
        pd = 0xb2dff3c0
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1293945384, -1293945920, 0, -1293947456, -1293947136, -1293945356, 0, -1095604424, -1507347474, -1573289633, 0 <repeats 54 times>}, 
              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>
---Type <return> to continue, or q <return> to quit---
        __PRETTY_FUNCTION__ = "start_thread"
#6  0xb6ad922c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
No locals.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 5 (Thread 0xb25ff3c0 (LWP 2979)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
No locals.
#1  0xb6c21192 in __pthread_cond_wait (cond=0x13d5898, mutex=0x13d5dd0) at pthread_cond_wait.c:187
        _a2 = 128
        _nametmp = 240
        _a3tmp = 22
        _a3 = 22
        _a1 = 20797596
        _a4tmp = 0
        _a4 = 0
        _name = 240
        __ret = <optimized out>
        futex_val = 22
        buffer = {__routine = 0xb6c20f6d <__condvar_cleanup>, __arg = 0xb25febd8, __canceltype = -1225752816, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0x13d5898, mutex = 0x13d5dd0, bc_seq = 0}
        err = <optimized out>
        pshared = 0
        pi_flag = 0
        val = <optimized out>
        seq = 9
#2  0xb6a14a5e in ?? () from /lib/arm-linux-gnueabihf/libdbus-1.so.3
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 4 (Thread 0xb1dff3c0 (LWP 2980)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
No locals.
#1  0xb6c21192 in __pthread_cond_wait (cond=0x13d5898, mutex=0x13d5dd0) at pthread_cond_wait.c:187
        _a2 = 128
        _nametmp = 240
        _a3tmp = 22
        _a3 = 22
        _a1 = 20797596
        _a4tmp = 0
        _a4 = 0
        _name = 240
---Type <return> to continue, or q <return> to quit---
        __ret = <optimized out>
        futex_val = 22
        buffer = {__routine = 0xb6c20f6d <__condvar_cleanup>, __arg = 0xb1dfebd8, __canceltype = -1225752816, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0x13d5898, mutex = 0x13d5dd0, bc_seq = 0}
        err = <optimized out>
        pshared = 0
        pi_flag = 0
        val = <optimized out>
        seq = 9
#2  0xb6a14a5e in ?? () from /lib/arm-linux-gnueabihf/libdbus-1.so.3
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 3 (Thread 0xb15ff3c0 (LWP 2981)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:44
No locals.
#1  0xb6c231e4 in __lll_lock_wait (futex=0xfffffff5, futex@entry=0x13db2d0, private=<optimized out>) at ../ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.c:46
        _a2 = 128
        _a3 = 2
        _a1 = -11
        _a1tmp = -11
        _a4 = 0
        _name = 240
        __ret = -11
        oldval = <optimized out>
#2  0xb6c1f840 in __GI___pthread_mutex_lock (mutex=0x13db2d0) at pthread_mutex_lock.c:79
        __futex = 0x13db2d0
        __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
        type = <optimized out>
        id = <optimized out>
#3  0xb6c75eb8 in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service-connectivity.so.2
No symbol table info available.
#4  0xb6c78b68 in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service-connectivity.so.2
No symbol table info available.
#5  0xb6c72bbe in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service-connectivity.so.2
No symbol table info available.
#6  0xb6c96d48 in ?? () from /usr/lib/arm-linux-gnueabihf/libubuntu-location-service-connectivity.so.2
No symbol table info available.
#7  0xb6e1a546 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
No symbol table info available.
#8  0xb6e10d54 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#9  0xb6e0f572 in core::dbus::Bus::handle_message(std::shared_ptr<core::dbus::Message> const&) () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
No symbol table info available.
#10 0xb6e0f60e in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
No symbol table info available.
#11 0xb6a162e2 in dbus_connection_dispatch () from /lib/arm-linux-gnueabihf/libdbus-1.so.3
No symbol table info available.
#12 0xb6e279c8 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
No symbol table info available.
#13 0xb6e254d8 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
No symbol table info available.
#14 0xb6e257b6 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
No symbol table info available.
#15 0xb6e0e958 in core::dbus::Bus::run() () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
No symbol table info available.
#16 0xb6be6360 in std::(anonymous namespace)::execute_native_thread_routine (__p=<optimized out>) at ../../../../../src/libstdc++-v3/src/c++11/thread.cc:84
        __t = <optimized out>
Python Exception <class 'gdb.error'> There is no member named _M_use_count.: 
        __local = 
#17 0xb6c1df98 in start_thread (arg=0xb15ff3c0) at pthread_create.c:311
        pd = 0xb15ff3c0
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1319111208, -1319111744, 0, -1319113280, -1319112960, -1319111180, 0, -1095604184, -1515736082, -1573289633, 0 <repeats 54 times>}, 
              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"
#18 0xb6ad922c in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:92 from /lib/arm-linux-gnueabihf/libc.so.6
No locals.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 2 (Thread 0xb0dff3c0 (LWP 2982)):
#0  __libc_do_syscall () at ../ports/sysdeps/unix/sysv/linux/arm/libc-do-syscall.S:43
No locals.
#1  0xb6c21192 in __pthread_cond_wait (cond=0x13d5898, mutex=0x13d5dd0) at pthread_cond_wait.c:187
        _a2 = 128
        _nametmp = 240
        _a3tmp = 22
        _a3 = 22
        _a1 = 20797596
        _a4tmp = 0
        _a4 = 0
        _name = 240
---Type <return> to continue, or q <return> to quit---
        __ret = <optimized out>
        futex_val = 22
        buffer = {__routine = 0xb6c20f6d <__condvar_cleanup>, __arg = 0xb0dfebd8, __canceltype = -1225752816, __prev = 0x0}
        cbuffer = {oldtype = 0, cond = 0x13d5898, mutex = 0x13d5dd0, bc_seq = 0}
        err = <optimized out>
        pshared = 0
        pi_flag = 0
        val = <optimized out>
        seq = 9
#2  0xb6a14a5e in ?? () from /lib/arm-linux-gnueabihf/libdbus-1.so.3
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0xb5cf6000 (LWP 2941)):
#0  0xb6ad2aa2 in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0xb6c4b620 in ?? () from /usr/lib/arm-linux-gnueabihf/libprocess-cpp.so.2
No symbol table info available.
#2  0x0002cef4 in com::ubuntu::location::service::Daemon::main(com::ubuntu::location::service::Daemon::Configuration const&) ()
No symbol table info available.
#3  0x0002b89c in main ()
No symbol table info available.
(gdb)