. Thread 4 (Thread 0x7f4bc0e67700 (LWP 1577)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 No locals. #1 0x00007f4bc1121861 in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so No symbol table info available. #2 0x00007f4bc7d13182 in start_thread (arg=0x7f4bc0e67700) at pthread_create.c:312 __res = pd = 0x7f4bc0e67700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139963335603968, 2477777133264118141, 0, 0, 139963335604672, 139963335603968, -2525018694526230147, -2525012447349104259}, 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 0x00007f4bc682430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 No locals. . Thread 3 (Thread 0x7f4bc1e01700 (LWP 1576)): #0 0x00007f4bc68249a3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81 No locals. #1 0x00007f4bc2f2bb88 in boost::asio::detail::epoll_reactor::run(bool, boost::asio::detail::op_queue&) () from /usr/lib/x86_64-linux-gnu/libmirclient.so.7 No symbol table info available. #2 0x00007f4bc2f2e320 in boost::asio::detail::task_io_service::run(boost::system::error_code&) () from /usr/lib/x86_64-linux-gnu/libmirclient.so.7 No symbol table info available. #3 0x00007f4bc2f292a2 in ?? () from /usr/lib/x86_64-linux-gnu/libmirclient.so.7 No symbol table info available. #4 0x00007f4bc22d3bf0 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 No symbol table info available. #5 0x00007f4bc7d13182 in start_thread (arg=0x7f4bc1e01700) at pthread_create.c:312 __res = pd = 0x7f4bc1e01700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139963351963392, 2477777133264118141, 0, 0, 139963351964096, 139963351963392, -2525016440742141571, -2525012447349104259}, 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 0x00007f4bc682430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 No locals. . Thread 2 (Thread 0x7f4bbbfff700 (LWP 1578)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 No locals. #1 0x00007f4bc1121861 in ?? () from /usr/lib/xorg/modules/drivers/intel_drv.so No symbol table info available. #2 0x00007f4bc7d13182 in start_thread (arg=0x7f4bbbfff700) at pthread_create.c:312 __res = pd = 0x7f4bbbfff700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139963253389056, 2477777133264118141, 0, 0, 139963253389760, 139963253389056, -2524932988453838467, -2525012447349104259}, 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 0x00007f4bc682430d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 No locals. . Thread 1 (Thread 0x7f4bc8bd09c0 (LWP 1574)): #0 0x00007f4bc675ff79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 resultvar = 0 pid = 1574 selftid = 1574 #1 0x00007f4bc6763388 in __GI_abort () at abort.c:89 save_stage = 2 act = {__sigaction_handler = {sa_handler = 0x180, sa_sigaction = 0x180}, sa_mask = {__val = {139963484672880, 140736720307192, 139963465172311, 5, 0, 0, 139963428699432, 139963469321096, 140736720307192, 139963483821104, 139963465200917, 0, 18446744073709551615, 139963471810272, 140736720306992, 0}}, sa_flags = -927135296, sa_restorer = 0x7f4bc8bd09c0} sigs = {__val = {32, 0 }} #2 0x00007f4bc8dbca1e in OsAbort () No symbol table info available. #3 0x00007f4bc8dc1ed3 in ?? () No symbol table info available. #4 0x00007f4bc8dc2bb8 in FatalError () No symbol table info available. #5 0x00007f4bc8dba78c in ?? () No symbol table info available. #6 No locals. #7 0x00007f4bc8ce4b66 in ?? () No symbol table info available. #8 0x00007f4bc8ce4ea2 in ?? () No symbol table info available. #9 0x00007f4bc8ca17ab in xf86VTSwitch () No symbol table info available. #10 0x00007f4bc315c27e in ?? () from /usr/lib/xorg/modules/extensions/libxmir.so No symbol table info available. #11 0x00007f4bc8c683fd in WakeupHandler () No symbol table info available. #12 0x00007f4bc8db3fff in WaitForSomething () No symbol table info available. #13 0x00007f4bc8c637f1 in ?? () No symbol table info available. #14 0x00007f4bc8c6790a in ?? () No symbol table info available. #15 0x00007f4bc674aec5 in __libc_start_main (main=0x7f4bc8c52e50, argc=13, argv=0x7fffd2388f08, init=, fini=, rtld_fini=, stack_end=0x7fffd2388ef8) at libc-start.c:287 result = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2477777133264118141, 139963467640405, 140736720310016, 0, 0, -2477699572102913667, -2525013310874508931}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7f4bc8dc6510 <__libc_csu_init>, 0x7fffd2388f08}, data = {prev = 0x0, cleanup = 0x0, canceltype = -925080304}}} not_first_call = #16 0x00007f4bc8c52e7e in _start () No symbol table info available.