.
Thread 8 (Thread 0x7fbd7f6ed700 (LWP 8008)):
#0  0x00007fbd899ebb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fbd8e2880e6 in g_main_context_pending (context=0x7fbd94e0f210) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3146
        retval = <optimized out>
#2  0x00007fbd94e0f210 in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x00007fbd8e533ec0 in ?? () from /tmp/tmpKgO_dl/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fbd7f6ed9c0 in ?? ()
No symbol table info available.
#6  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 7 (Thread 0x7fbd82bc5700 (LWP 8001)):
#0  0x00007fbd899ebb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fbd8e2880e6 in g_main_context_pending (context=0x7fbd94e0f370) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3146
        retval = <optimized out>
#2  0x00007fbd94e5d480 in ?? ()
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 6 (Thread 0x7fbd7feee700 (LWP 8006)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007fbd80f14471 in ?? ()
No symbol table info available.
#2  0x00007fbd8a4bf4d8 in std::string::_Rep::_S_empty_rep_storage () from /tmp/tmpKgO_dl/usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 5 (Thread 0x7fbd833c6700 (LWP 8000)):
#0  0x00007fbd899ebb03 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fbd8e2880e6 in g_main_context_pending (context=0x7fbd94e0fb00) at /build/buildd/glib2.0-2.32.0/./glib/gmain.c:3146
        retval = <optimized out>
#2  0x00007fbd94e46350 in ?? ()
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 0x7fbd80ef0700 (LWP 8004)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007fbd80f14471 in ?? ()
No symbol table info available.
#2  0x00007fbd94f65fd8 in ?? ()
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7fbd806ef700 (LWP 8005)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007fbd80f14471 in ?? ()
No symbol table info available.
#2  0x00007fbd8a4bf4d8 in std::string::_Rep::_S_empty_rep_storage () from /tmp/tmpKgO_dl/usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#3  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7fbd84834700 (LWP 7999)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:39
No locals.
#1  0x00007fbd9069c5ea in epoll_wait ()
No symbol table info available.
#2  0x00007fbd9069c081 in epoll_dispatch ()
No symbol table info available.
#3  0x00007fbd9069a125 in event_base_loop ()
No symbol table info available.
#4  0x00007fbd9063f97d in base::MessagePumpLibevent::Run(base::MessagePump::Delegate*) ()
No symbol table info available.
#5  0x00007fbd9065f220 in MessageLoop::Run() ()
No symbol table info available.
#6  0x00007fbd9067eadc in base::Thread::ThreadMain() ()
No symbol table info available.
#7  0x00007fbd9067e342 in base::(anonymous namespace)::ThreadFunc(void*) ()
No symbol table info available.
#8  0x00007fbd8bda5e9a in start_thread (arg=0x7fbd84834700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fbd84834700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4584766748225746132, 140737473042656, 140451948743104, 0, 3, 4549950542798605100, 4549960929172474668}, 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"
#9  0x00007fbd899f74bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#10 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fbd8f8d2980 (LWP 7998)):
#0  gtk_gc_key_hash (key=0x0) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkgc.c:206
        keyval = 0x0
        hash_val = 0
#1  0x00007fbd8e277f23 in g_hash_table_lookup (hash_table=0x7fbd94ed5120, key=0x0) at /build/buildd/glib2.0-2.32.0/./glib/ghash.c:1072
        node_hash = <optimized out>
        __PRETTY_FUNCTION__ = "g_hash_table_lookup"
#2  0x00007fbd8e25abbf in g_cache_remove (cache=0x7fbd94e5e120, value=0x7fbd94f17950) at /build/buildd/glib2.0-2.32.0/./glib/deprecated/gcache.c:290
        node = 0x7fbd94e48210
        key = 0x0
        __PRETTY_FUNCTION__ = "g_cache_remove"
#3  0x00007fbd8ddba40c in gtk_style_real_unrealize (style=0x7fbd94e48200) at /build/buildd/gtk+2.0-2.24.10/gtk/gtkstyle.c:2115
No locals.
#4  0x00007fbd8e74709a in g_cclosure_new (callback_func=0x7fbd94ee55e0, user_data=0x0, destroy_data=0x17) at /build/buildd/glib2.0-2.32.0/./gobject/gclosure.c:923
        closure = <optimized out>
        __PRETTY_FUNCTION__ = "g_cclosure_new"
#5  0x0000000000000000 in ?? ()
No symbol table info available.