Error - segmentation fault - _int_malloc

[roadscape]

Running 0.4.1:

3183023ms th_a       database_api.cpp:195          database_api_impl    ] creating database api 169595440
3183023ms th_a       websocket_api.cpp:88          on_message           ] message: {"jsonrpc":"2.0","method":"get_active_votes","params":["thepresident","re-dantheman-re-thepresident-who-will-win-the-2016-u-20160503t192214102z-20160503t192447556z"],"id":0}
3183023ms th_a       database_api.cpp:200          ~database_api_impl   ] freeing database api 169595440

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff3dd8700 (LWP 30252)]
_int_malloc (av=0x7fffec000020, bytes=29) at malloc.c:3351
3351    malloc.c: No such file or directory.
(gdb) bt
#0  _int_malloc (av=0x7fffec000020, bytes=29) at malloc.c:3351
#1  0x00007ffff65a77b0 in __GI___libc_malloc (bytes=29) at malloc.c:2891
#2  0x00007ffff6e64dad in operator new(unsigned long) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3  0x00007ffff6ec0249 in std::string::_Rep::_S_create(unsigned long, unsigned long, std::allocator<char> const&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x000000000087dd5e in char* std::string::_S_construct<char*>(char*, char*, std::allocator<char> const&, std::forward_iterator_tag) ()
#5  0x00007ffff6ec187c in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&, unsigned long, unsigned long) ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x0000000000b7dc15 in fc::console_appender::log(fc::log_message const&) ()
#7  0x0000000000adcfd0 in fc::logger::log(fc::log_message) ()
#8  0x0000000000b76168 in fc::asio::default_io_service_scope::default_io_service_scope()::{lambda()#1}::operator()() const ()
#9  0x0000000000ca539a in thread_proxy ()
#10 0x00007ffff7bc4182 in start_thread (arg=0x7ffff3dd8700) at pthread_create.c:312
#11 0x00007ffff661f47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

[roadscape]

Again, ~10 hours later:

3183023ms th_a       database_api.cpp:195          database_api_impl    ] creating database api 169595440
3183023ms th_a       websocket_api.cpp:88          on_message           ] message: {"jsonrpc":"2.0","method":"get_active_votes","params":["thepresident","re-dantheman-re-thepresident-who-will-win-the-2016-u-20160503t192214102z-20160503t192447556z"],"id":0}
3183023ms th_a       database_api.cpp:200          ~database_api_impl   ] freeing database api 169595440

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7ffff3dd8700 (LWP 30252)]
_int_malloc (av=0x7fffec000020, bytes=29) at malloc.c:3351
3351    malloc.c: No such file or directory.
(gdb) bt
#0  _int_malloc (av=0x7fffec000020, bytes=29) at malloc.c:3351
#1  0x00007ffff65a77b0 in __GI___libc_malloc (bytes=29) at malloc.c:2891
#2  0x00007ffff6e64dad in operator new(unsigned long) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3  0x00007ffff6ec0249 in std::string::_Rep::_S_create(unsigned long, unsigned long, std::allocator<char> const&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x000000000087dd5e in char* std::string::_S_construct<char*>(char*, char*, std::allocator<char> const&, std::forward_iterator_tag) ()
#5  0x00007ffff6ec187c in std::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string(std::string const&, unsigned long, unsigned long) ()
   from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x0000000000b7dc15 in fc::console_appender::log(fc::log_message const&) ()
#7  0x0000000000adcfd0 in fc::logger::log(fc::log_message) ()
#8  0x0000000000b76168 in fc::asio::default_io_service_scope::default_io_service_scope()::{lambda()#1}::operator()() const ()
#9  0x0000000000ca539a in thread_proxy ()
#10 0x00007ffff7bc4182 in start_thread (arg=0x7ffff3dd8700) at pthread_create.c:312
#11 0x00007ffff661f47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

[roadscape]

Haven't seen this error for approximately 7 weeks... closing.