On 08/29/2017 12:39 PM, Martin Liška wrote: > (gdb) bt > #0 0x00003fff950e58e4 in syscall () from /lib64/libc.so.6 > #1 0x00003fff94dbbdc4 in __cxxabiv1::__cxa_guard_acquire (g=0x3fff94f26d40 > <guard variable for (anonymous > namespace)::__future_category_instance()::__fec>) at > ../../../../libstdc++-v3/libsupc++/guard.cc:302 > #2 0x00003fff94dfaf80 in __future_category_instance () at > ../../../../../libstdc++-v3/src/c++11/future.cc:65 > #3 std::future_category () at > ../../../../../libstdc++-v3/src/c++11/future.cc:79 > #4 0x00003fff94da98e8 in __static_initialization_and_destruction_0 > (__priority=65535, __initialize_p=1) at > ../../../../libstdc++-v3/src/c++11/compatibility-thread-c++0x.cc:50 > #5 _GLOBAL__sub_I_compatibility_thread_c__0x.cc(void) () at > ../../../../libstdc++-v3/src/c++11/compatibility-thread-c++0x.cc:200 > #6 0x00003fff96105c74 in _dl_init_internal () from /lib64/ld64.so.2 > #7 0x00003fff960f19cc in _dl_start_user () from /lib64/ld64.so.2
strace says about it: futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) futex(0x3fffa5226d40, FUTEX_WAIT, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) ...
