.
Thread 3 (Thread 0x7ff4a2d68700 (LWP 1597)):
#0  0x00007ff4a595cf7d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007ff4a650b6e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ff4a650b7ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ff4a650b839 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007ff4a6530135 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ff4a5c3ef6e in start_thread (arg=0x7ff4a2d68700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7ff4a2d68700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140688680716032, 2326435468932932305, 0, 140688756617312, 140734596303936, 4096, -2332744659857710383, -2332755495599480111}, 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"
#6  0x00007ff4a59699cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (Thread 0x7ff4a3569700 (LWP 1595)):
#0  0x00007ff4a595cf7d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007ff4a650b6e4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007ff4a650bb4a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007ff4a6ae0ba6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007ff4a6530135 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007ff4a5c3ef6e in start_thread (arg=0x7ff4a3569700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7ff4a3569700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140688689108736, 2326435468932932305, 0, 140688756617312, 140734596304240, 4096, -2332743563030437167, -2332755495599480111}, 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"
#6  0x00007ff4a59699cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (Thread 0x7ff4a75a3800 (LWP 1594)):
#0  0x00007ff4a6291390 in act_user_is_loaded () from /usr/lib/libaccountsservice.so.0
No symbol table info available.
#1  0x000000000040ce57 in ?? ()
No symbol table info available.
#2  0x000000000040e66e in ?? ()
No symbol table info available.
#3  0x0000000000410331 in ?? ()
No symbol table info available.
#4  0x00007ff4a6f9de00 in pam_vprompt () from /lib/x86_64-linux-gnu/libpam.so.0
No symbol table info available.
#5  0x00007ff4a6f9e01d in pam_prompt () from /lib/x86_64-linux-gnu/libpam.so.0
No symbol table info available.
#6  0x00007ff4a1f4cf4d in ?? () from /lib/x86_64-linux-gnu/security/pam_unix.so
No symbol table info available.
#7  0x00007ff4a1f4a37b in pam_sm_authenticate () from /lib/x86_64-linux-gnu/security/pam_unix.so
No symbol table info available.
#8  0x00007ff4a6f98e3f in ?? () from /lib/x86_64-linux-gnu/libpam.so.0
No symbol table info available.
#9  0x00007ff4a6f9868d in pam_authenticate () from /lib/x86_64-linux-gnu/libpam.so.0
No symbol table info available.
#10 0x000000000040ec38 in ?? ()
No symbol table info available.
#11 0x00007ff4a650b3f6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007ff4a650b748 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#13 0x00007ff4a650bb4a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#14 0x00000000004078ba in ?? ()
No symbol table info available.
#15 0x00007ff4a5890de5 in __libc_start_main (main=0x407760, argc=1, ubp_av=0x7fff539ed058, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff539ed048) at libc-start.c:260
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 2326435468932932305, 4225295, 140734596304976, 0, 0, -2326232875858533679, -2332755026295397679}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x4228f0, 0x7fff539ed058}, data = {prev = 0x0, cleanup = 0x0, canceltype = 4335856}}}
        not_first_call = <optimized out>
#16 0x0000000000407938 in ?? ()
No symbol table info available.