.
Thread 2 (Thread 0x7f1a54d1c700 (LWP 1589)):
#0  0x00007f1a584e8b03 in posix_fadvise (fd=1342179552, offset=1, len=-1, advise=-1) at ../sysdeps/unix/sysv/linux/wordsize-64/posix_fadvise.c:33
        __arg4 = -1
        __arg2 = 1
        _a3 = <optimized out>
        _a1 = <optimized out>
        resultvar = <optimized out>
        __arg3 = -1
        __arg1 = 1342179552
        _a4 = <optimized out>
        _a2 = 1
        ret = <optimized out>
#1  0x0000000001772c70 in ?? ()
No symbol table info available.
#2  0x00000000ffffffff in ?? ()
No symbol table info available.
#3  0x0000000000000001 in ?? ()
No symbol table info available.
#4  0x00007f1a500008e0 in ?? ()
No symbol table info available.
#5  0x0000000000000001 in ?? ()
No symbol table info available.
#6  0x00007f1a56d4dde4 in g_main_context_poll (n_fds=1, fds=0x7f1a500008e0, timeout=-1, context=0x1772c70, priority=<optimized out>) at /build/buildd/glib2.0-2.33.12/./glib/gmain.c:3584
        poll_func = 0x7f1a56d5bf30 <g_poll>
#7  g_main_context_iterate (context=context@entry=0x1772c70, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.12/./glib/gmain.c:3285
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7f1a500008e0
#8  0x00007f1a56d4df04 in g_main_context_iteration (context=0x1772c70, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.33.12/./glib/gmain.c:3351
        retval = <optimized out>
#9  0x00007f1a56d4df51 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.33.12/./glib/gmain.c:5028
No locals.
#10 0x00007f1a56d71915 in g_thread_proxy (data=0x1773000) at /build/buildd/glib2.0-2.33.12/./glib/gthread.c:797
        thread = 0x1773000
#11 0x00007f1a581ece9a in start_thread (arg=0x7f1a54d1c700) at pthread_create.c:325
        pd = 0x7f1a54d1c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 5551480107993395237, 140736850900080, 139751068912064, 0, 3, -5530851223286583259, -5530876075580067803}, 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"
#12 0x00007f1a584f44bd in ?? () from /tmp/tmpDV5dJ6/lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#13 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f1a5918a780 (LWP 1588)):
#0  0x00007f1a58538748 in __strcasestr_sse42 (s1=<optimized out>, s2=<optimized out>) at ../sysdeps/x86_64/multiarch/strstr.c:385
        p2 = <optimized out>
        frag1 = <optimized out>
        frag2 = <optimized out>
        cmp_c = <optimized out>
        cmp_z = <optimized out>
        cmp = <optimized out>
        cmp_s = <optimized out>
        pt = <optimized out>
        kmp_fwd = <optimized out>
#1  0x00000000017e5cf0 in ?? ()
No symbol table info available.
#2  0x00000000017edb20 in ?? ()
No symbol table info available.
#3  0x00007f1a4fbaf9db in ccsStringToModifiers (binding=0x0) at /build/buildd/compiz-0.9.8.0/compizconfig/libcompizconfig/src/bindings.c:241
        mods = <optimized out>
        i = <optimized out>
#4  0x00007f1a4ef09e1d in ?? ()
No symbol table info available.
#5  0x00007f1a4f111500 in ?? ()
No symbol table info available.
#6  0x00000000017c6ce0 in ?? ()
No symbol table info available.
#7  0x00000000017edb20 in ?? ()
No symbol table info available.
#8  0x00007f1a4ef09505 in ?? ()
No symbol table info available.
#9  0x0001000000000003 in ?? ()
No symbol table info available.
#10 0x0000000000000000 in ?? ()
No symbol table info available.