(gdb) bt
#0  __memcpy_neon () at ../sysdeps/arm/armv7/multiarch/memcpy_impl.S:793
#1  0xb6040710 in copy (__n=1048575, __s2=0x4e996a "", __s1=<optimized out>)
    at /build/buildd/gcc-4.9-4.9.2/build/arm-linux-gnueabihf/libstdc++-v3/include/bits/char_traits.h:275
#2  std::basic_streambuf<char, std::char_traits<char> >::xsputn (
    this=0xbeffef74, __s=0x4e996a "", __n=4087736)
    at /build/buildd/gcc-4.9-4.9.2/build/arm-linux-gnueabihf/libstdc++-v3/include/bits/streambuf.tcc:90
#3  0xb6039402 in sputn (__n=4087736, __s=0x3e998c "signal", 
    this=<optimized out>)
    at /build/buildd/gcc-4.9-4.9.2/build/arm-linux-gnueabihf/libstdc++-v3/include/streambuf:451
#4  __ostream_write<char, std::char_traits<char> > (__n=4087736, 
    __s=0x3e998c "signal", __out=...)
    at /build/buildd/gcc-4.9-4.9.2/build/arm-linux-gnueabihf/libstdc++-v3/include/bits/ostream_insert.h:50
#5  std::__ostream_insert<char, std::char_traits<char> > (__out=..., 
    __s=0x3e998c "signal", __n=4087736)
    at /build/buildd/gcc-4.9-4.9.2/build/arm-linux-gnueabihf/libstdc++-v3/include/bits/ostream_insert.h:101
#6  0xb3752e54 in core::dbus::MatchRule::as_string() const ()
   from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#7  0xb374d47a in core::dbus::Bus::remove_match(core::dbus::MatchRule const&)
    () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#8  0xb3757256 in core::dbus::Service::remove_match(core::dbus::MatchRule const&) () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#9  0xb3759eb8 in ?? () from /usr/lib/arm-linux-gnueabihf/libdbus-cpp.so.4
#10 0xac5f4452 in core::ubuntu::media::ServiceStub::~ServiceStub() ()
   from /usr/lib/arm-linux-gnueabihf/libmedia-hub-client.so.4
#11 0xac5f44a8 in core::ubuntu::media::ServiceStub::~ServiceStub() ()
   from /usr/lib/arm-linux-gnueabihf/libmedia-hub-client.so.4
#12 0xac5bee3e in ?? ()
   from /usr/lib/arm-linux-gnueabihf/libmedia-hub-client.so.4
Backtrace stopped: previous frame identical to this frame (corrupt stack?)