.
Thread 5 (Thread 0x7fb509c10700 (LWP 3714)):
#0  0x00007fb51cb588dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb51d3971ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb51d3972fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb51d397339 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fb51d3bd965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb51ce2e6aa in start_thread (arg=0x7fb509c10700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb509c10700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140415529453312, -1706275311221947660, 0, 140720673584143, 140415529454016, 0, 1673091818509091572, 1673138254729364212}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb51cb63eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 4 (Thread 0x7fb50940f700 (LWP 3715)):
#0  0x00007fb51cb588dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb51d3971ec in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fb51d397572 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fb517f8e4c6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fb51d3bd965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb51ce2e6aa in start_thread (arg=0x7fb50940f700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb50940f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140415521060608, -1706275311221947660, 0, 140720673584495, 140415521061312, 35837632, 1673092917483848436, 1673138254729364212}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb51cb63eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (Thread 0x7fb50a923700 (LWP 3713)):
#0  0x00007fb51ce360c9 in futex_abstimed_wait (cancel=true, private=<optimized out>, abstime=0x0, expected=0, futex=0x7fb500000d50) at sem_waitcommon.c:42
        __ret = -512
        err = <optimized out>
        oldtype = 2
#1  do_futex_wait (sem=sem@entry=0x7fb500000d50, abstime=0x0) at sem_waitcommon.c:208
No locals.
#2  0x00007fb51ce36164 in __new_sem_wait_slow (sem=0x7fb500000d50, abstime=0x0) at sem_waitcommon.c:277
        _buffer = {__routine = 0x7fb51ce36090 <__sem_wait_cleanup>, __arg = 0x7fb500000d50, __canceltype = 177355200, __prev = 0x0}
        err = <optimized out>
        d = 0
#3  0x00007fb51ce3620a in __new_sem_wait (sem=<optimized out>) at sem_wait.c:28
No locals.
#4  0x00007fb51ae6f6fe in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#5  0x00007fb51ae6f855 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#6  0x00007fb51ae241e3 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#7  0x00007fb51ae23d7c in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#8  0x00007fb51ae6f419 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#9  0x00007fb51ce2e6aa in start_thread (arg=0x7fb50a923700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb50a923700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140415543162624, -1706275311221947660, 0, 140415483242943, 140415543163328, 35141968, 1673090016233439988, 1673138254729364212}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0x00007fb51cb63eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (Thread 0x7fb506fff700 (LWP 3712)):
#0  0x00007fb51cb5a16d in writev () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb510765eab in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#2  0x00007fb5107662a1 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#3  0x00007fb510766325 in xcb_writev () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#4  0x00007fb51994e4ae in _XSend () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#5  0x00007fb51994e9a2 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#6  0x00007fb51993959f in XInternAtom () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#7  0x00007fb51ae663b7 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#8  0x00007fb51ae5ad69 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#9  0x00007fb51adc5507 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL2-2.0.so.0
No symbol table info available.
#10 0x00007fb51eae0c32 in init_render_sdl2 () from /usr/lib/x86_64-linux-gnu/libgviewrender-1.1.so.1
No symbol table info available.
#11 0x00007fb51eadec51 in render_init () from /usr/lib/x86_64-linux-gnu/libgviewrender-1.1.so.1
No symbol table info available.
#12 0x0000000000409139 in ?? ()
No symbol table info available.
#13 0x00007fb51ce2e6aa in start_thread (arg=0x7fb506fff700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7fb506fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140415483246336, -1706275311221947660, 0, 140720673588623, 8388608, 35141968, 1673116239156265716, 1673138254729364212}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#14 0x00007fb51cb63eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (Thread 0x7fb51f02eac0 (LWP 3706)):
#0  __GI___pthread_mutex_lock (mutex=0xd885de30af9df9de) at ../nptl/pthread_mutex_lock.c:67
        __PRETTY_FUNCTION__ = "__pthread_mutex_lock"
        type = <optimized out>
        id = <optimized out>
#1  0x00007fb519956bfa in XrmQGetResource () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#2  0x00007fb519932f86 in XGetDefault () from /usr/lib/x86_64-linux-gnu/libX11.so.6
No symbol table info available.
#3  0x00007fb51789a0d0 in _XcursorGetDisplayInfo () from /usr/lib/x86_64-linux-gnu/libXcursor.so.1
No symbol table info available.
#4  0x00007fb51789a269 in XcursorGetTheme () from /usr/lib/x86_64-linux-gnu/libXcursor.so.1
No symbol table info available.
#5  0x00007fb51db472bf in gdk_x11_display_set_cursor_theme () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0
No symbol table info available.
#6  0x00007fb51e063301 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#7  0x00007fb51e06516d in gtk_settings_get_for_screen () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#8  0x00007fb51e079c83 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#9  0x00007fb51d68f3f9 in g_type_create_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007fb51d67138b in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007fb51d672c71 in g_object_newv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#12 0x00007fb51d6735a4 in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#13 0x00007fb51de979df in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#14 0x00007fb51de97a5e in gtk_style_new () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#15 0x00007fb51de9a6ed in gtk_widget_get_default_style () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#16 0x00007fb51e1178f5 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
No symbol table info available.
#17 0x00007fb51d68f3b7 in g_type_create_instance () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#18 0x00007fb51d67138b in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#19 0x00007fb51d673225 in g_object_new_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#20 0x00007fb51d673591 in g_object_new () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#21 0x000000000040cfe9 in ?? ()
No symbol table info available.
#22 0x000000000040c3e5 in ?? ()
No symbol table info available.
#23 0x0000000000407e81 in main ()
No symbol table info available.