.
Thread 5 (LWP 3714):
#0  0x00007fb51cb588dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb51d3971ec in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7fb4f80008e0, timeout=<optimized out>, context=0x2224350) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:4135
        poll_func = 0x7fb51d3a60e0 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x2224350, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:3835
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7fb4f80008e0
#3  0x00007fb51d3972fc in g_main_context_iteration (context=0x2224350, may_block=may_block@entry=1) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:3901
        retval = <optimized out>
#4  0x00007fb51d397339 in glib_worker_main (data=<optimized out>) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:5672
No locals.
#5  0x00007fb51d3bd965 in g_thread_proxy (data=0x21ad140) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gthread.c:778
        thread = <optimized out>
#6  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"
#7  0x00007fb51cb63eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 4 (LWP 3715):
#0  0x00007fb51cb588dd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb51d3971ec in g_main_context_poll (priority=2147483647, n_fds=2, fds=0x7fb4fc0010c0, timeout=<optimized out>, context=0x22305a0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:4135
        poll_func = 0x7fb51d3a60e0 <g_poll>
#2  g_main_context_iterate (context=0x22305a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:3835
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 2
        allocated_nfds = 2
        fds = 0x7fb4fc0010c0
#3  0x00007fb51d397572 in g_main_loop_run (loop=0x222d6a0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gmain.c:4034
        __func__ = "g_main_loop_run"
#4  0x00007fb517f8e4c6 in gdbus_shared_thread_func (user_data=0x222d6c0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gio/gdbusprivate.c:246
        data = 0x222d6c0
#5  0x00007fb51d3bd965 in g_thread_proxy (data=0x21ad190) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./glib/gthread.c:778
        thread = <optimized out>
#6  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"
#7  0x00007fb51cb63eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (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 SDL_SemWait_REAL (sem=<optimized out>) at /build/buildd/libsdl2-2.0.2+dfsg1/src/thread/pthread/SDL_syssem.c:93
        retval = <optimized out>
#5  0x00007fb51ae6f855 in SDL_SemWaitTimeout_REAL (sem=0x7fb500000d50, timeout=4294967295) at /build/buildd/libsdl2-2.0.2+dfsg1/src/thread/pthread/SDL_syssem.c:120
        retval = <optimized out>
        now = {tv_sec = 0, tv_usec = 140415847572365}
        ts_timeout = {tv_sec = 0, tv_nsec = 140415817168117}
#6  0x00007fb51ae241e3 in SDL_TimerThread (_data=_data@entry=0x7fb51b0b1b40 <SDL_timer_data>) at /build/buildd/libsdl2-2.0.2+dfsg1/src/timer/SDL_timer.c:200
        data = 0x7fb51b0b1b40 <SDL_timer_data>
        pending = <optimized out>
        current = <optimized out>
        freelist_head = 0x0
        freelist_tail = 0x0
        tick = 0
        now = <optimized out>
        interval = <optimized out>
        delay = <optimized out>
#7  0x00007fb51ae23d7c in SDL_RunThread (data=0x7fb5000010c0) at /build/buildd/libsdl2-2.0.2+dfsg1/src/thread/SDL_thread.c:282
        args = 0x7fb5000010c0
        userfunc = 0x7fb51ae240b0 <SDL_TimerThread>
        userdata = 0x7fb51b0b1b40 <SDL_timer_data>
        thread = 0x7fb500000d80
        statusloc = 0x7fb500000d90
#8  0x00007fb51ae6f419 in RunThread (data=<optimized out>) at /build/buildd/libsdl2-2.0.2+dfsg1/src/thread/pthread/SDL_systhread.c:72
No locals.
#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 (LWP 3712):
#0  0x00007fb51cb5a16d in writev () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007fb510765eab in write_vec (count=0x7fb506ffe824, vector=0x7fb506ffe828, c=0x7fb50000aa00) at ../../src/xcb_conn.c:257
        n = <optimized out>
#2  _xcb_conn_wait (c=c@entry=0x7fb50000aa00, cond=cond@entry=0x7fb50000bb20, vector=vector@entry=0x7fb506ffe828, count=count@entry=0x7fb506ffe824) at ../../src/xcb_conn.c:502
        may_read = <optimized out>
        ret = <optimized out>
        fd = {fd = 9, events = 5, revents = 4}
#3  0x00007fb5107662a1 in _xcb_out_send (c=c@entry=0x7fb50000aa00, vector=vector@entry=0x7fb506ffe8a0, count=count@entry=3) at ../../src/xcb_out.c:393
        ret = 1
#4  0x00007fb510766325 in xcb_writev (c=c@entry=0x7fb50000aa00, vector=vector@entry=0x7fb506ffe8a0, count=count@entry=3, requests=requests@entry=1) at ../../src/xcb_out.c:341
        ret = <optimized out>
#5  0x00007fb51994e4ae in _XSend (dpy=0x7fb500009720, data=data@entry=0x0, size=size@entry=0) at ../../src/xcb_io.c:495
        dummy_request = {reqType = 0 '\000', data = 0 '\000', length = 0}
        pad = "\000\000"
        vec = {{iov_base = 0x7fb500002f10, iov_len = 24}, {iov_base = 0x0, iov_len = 0}, {iov_base = 0x7fb519c4a6e4 <pad>, iov_len = 0}}
        requests = 1
        ext = 0x0
        c = <optimized out>
#6  0x00007fb51994e9a2 in _XReply (dpy=dpy@entry=0x7fb500009720, rep=rep@entry=0x7fb506ffe9b0, extra=extra@entry=0, discard=discard@entry=1) at ../../src/xcb_io.c:581
        error = 0x7fb506ffe9a0
        c = <optimized out>
        reply = <optimized out>
        current = <optimized out>
        __PRETTY_FUNCTION__ = "_XReply"
#7  0x00007fb51993959f in XInternAtom (dpy=0x7fb500009720, name=0x7fb51ae7fff8 "WM_DELETE_WINDOW", onlyIfExists=<optimized out>) at ../../src/IntAtom.c:181
        atom = <optimized out>
        sig = 1261
        idx = 45
        n = 16
        rep = {type = 1 '\001', pad1 = 0 '\000', sequenceNumber = 7, length = 0, atom = 324, pad2 = 0, pad3 = 0, pad4 = 0, pad5 = 0, pad6 = 0}
#8  0x00007fb51ae663b7 in X11_VideoInit (_this=0x7fb500001410) at /build/buildd/libsdl2-2.0.2+dfsg1/src/video/x11/SDL_x11video.c:596
        data = 0x7fb500009200
#9  0x00007fb51ae5ad69 in SDL_VideoInit_REAL (driver_name=<optimized out>, driver_name@entry=0x0) at /build/buildd/libsdl2-2.0.2+dfsg1/src/video/SDL_video.c:491
        video = 0x7fb500001410
        hint = <optimized out>
        index = 0
        i = 0
        allow_screensaver = <optimized out>
#10 0x00007fb51adc5507 in SDL_InitSubSystem_REAL (flags=16417) at /build/buildd/libsdl2-2.0.2+dfsg1/src/SDL.c:173
No locals.
#11 0x00007fb51eae0c32 in video_init (flags=<optimized out>, height=480, width=640) at render_sdl2.c:82
        display_index = <optimized out>
        err = <optimized out>
        w = 640
        h = 480
        my_flags = 36
#12 init_render_sdl2 (width=640, height=height@entry=480, flags=flags@entry=0) at render_sdl2.c:252
No locals.
#13 0x00007fb51eadec51 in render_init (render=<optimized out>, width=<optimized out>, height=height@entry=480, flags=flags@entry=0) at render.c:255
        ret = 0
#14 0x0000000000409139 in capture_loop (data=<optimized out>) at video_capture.c:949
        cl_data = <optimized out>
        my_options = 0x621ac0 <my_options>
        my_last_photo_time = 0
        my_photo_npics = 0
        ret = 0
        render_flags = 0
        frame = <optimized out>
#15 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"
#16 0x00007fb51cb63eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (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 (db=0x21c46a0, names=names@entry=0x7ffc15c2fbe0, classes=classes@entry=0x7ffc15c2fbf0, pType=pType@entry=0x7ffc15c2fbcc, pValue=pValue@entry=0x7ffc15c2fbd0) at ../../src/Xrm.c:2549
        table = <optimized out>
        closure = {type = 0x0, value = 0x21c0e90}
#2  0x00007fb519932f86 in XGetDefault (dpy=dpy@entry=0x21c0e90, prog=prog@entry=0x7fb51789ce7d "Xcursor", name=name@entry=0x7fb51789cf0f "core") at ../../src/GetDflt.c:231
        names = {332, 399, 0}
        classes = {338, 339, 0}
        fromType = 0
        result = {size = 35393168, addr = 0x7ffc15c2fc3c "\v"}
        progname = 0x7fb51789ce7d "Xcursor"
#3  0x00007fb51789a0d0 in _XcursorGetDisplayInfo (dpy=0x21c0e90) at ../../src/display.c:151
        info = 0x225c160
        old = <optimized out>
        event_base = 0
        error_base = 142
        major = 0
        minor = 11
        i = <optimized out>
        v = <optimized out>
        dpy = 0x21c0e90
        info = <optimized out>
        prev = <optimized out>
#4  0x00007fb51789a269 in XcursorGetTheme (dpy=dpy@entry=0x21c0e90) at ../../src/display.c:361
        info = <optimized out>
#5  0x00007fb51db472bf in gdk_x11_display_set_cursor_theme (display=display@entry=0x21c5050, theme=0x2287bb0 "DMZ-White", size=18) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gdk/x11/gdkcursor-x11.c:473
        xdisplay = 0x21c0e90
        old_theme = <optimized out>
        old_size = <optimized out>
        __func__ = "gdk_x11_display_set_cursor_theme"
#6  0x00007fb51e063301 in settings_update_cursor_theme (settings=settings@entry=0x21acf50) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/gtksettings.c:2942
        theme = 0x2287bb0 "DMZ-White"
        size = 18
        display = 0x21c5050
#7  0x00007fb51e06516d in gtk_settings_get_for_screen (screen=<optimized out>) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/gtksettings.c:1879
        settings = 0x21acf50
        screen = <optimized out>
        settings = <optimized out>
#8  0x00007fb51e079c83 in gtk_style_context_init (style_context=0x21a3130) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/gtkstylecontext.c:425
        priv = 0x21a30b0
#9  0x00007fb51d68f3f9 in g_type_create_instance (type=<optimized out>) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gtype.c:1870
        instance = 0x21a3130
        class = 0x21fc950
        allocated = <optimized out>
        private_size = <optimized out>
        ivar_size = <optimized out>
        i = 0
#10 0x00007fb51d67138b in g_object_new_internal (class=class@entry=0x21fc950, params=params@entry=0x0, n_params=n_params@entry=0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gobject.c:1779
        nqueue = 0x0
        object = <optimized out>
        __func__ = "g_object_new_internal"
#11 0x00007fb51d672c71 in g_object_newv (object_type=object_type@entry=35656160, n_parameters=n_parameters@entry=0, parameters=parameters@entry=0x0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gobject.c:1926
        class = <optimized out>
        unref_class = <optimized out>
        object = <optimized out>
        __func__ = "g_object_newv"
#12 0x00007fb51d6735a4 in g_object_new (object_type=35656160, first_property_name=first_property_name@entry=0x0) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gobject.c:1619
        var_args = {{gp_offset = 35333744, fp_offset = 0, overflow_arg_area = 0x7fb51d359e50, reg_save_area = 0x21a7e20}}
        __func__ = "g_object_new"
#13 0x00007fb51e0770c9 in gtk_style_context_new () at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/gtkstylecontext.c:994
No locals.
#14 0x00007fb51de979df in _gtk_style_new_for_path (screen=0x21da0d0, path=path@entry=0x21a7e20) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/deprecated/gtkstyle.c:853
        context = <optimized out>
        style = <optimized out>
#15 0x00007fb51de97a5e in gtk_style_new () at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/deprecated/gtkstyle.c:887
        path = 0x21a7e20
        style = <optimized out>
#16 0x00007fb51de9a6ed in gtk_widget_get_default_style_for_screen (screen=0x21da0d0) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/deprecated/gtkstyle.c:4023
        default_style = 0x0
#17 gtk_widget_get_default_style () at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/deprecated/gtkstyle.c:4053
        default_style = 0x0
        style = 0x0
        screen = <optimized out>
#18 0x00007fb51e1178f5 in gtk_widget_init (widget=<optimized out>) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/gtkwidget.c:4510
        priv = 0x220a160
        __func__ = "gtk_widget_init"
#19 0x00007fb51d68f3b7 in g_type_create_instance (type=<optimized out>) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gtype.c:1864
        instance = 0x220a240
        class = 0x21b2670
        allocated = <optimized out>
        private_size = <optimized out>
        ivar_size = <optimized out>
        i = 3
#20 0x00007fb51d67138b in g_object_new_internal (class=class@entry=0x21b2670, params=params@entry=0x7ffc15c30340, n_params=n_params@entry=1) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gobject.c:1779
        nqueue = 0x0
        object = <optimized out>
        __func__ = "g_object_new_internal"
#21 0x00007fb51d673225 in g_object_new_valist (object_type=object_type@entry=35333360, first_property_name=first_property_name@entry=0x7fb51e17276c "type", var_args=var_args@entry=0x7ffc15c30490) at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gobject.c:2038
        stack_params = {{pspec = 0x21a55c0, value = 0x7ffc15c30290}, {pspec = 0x7ffc15c304a0, value = 0x0}, {pspec = 0x5, value = 0x0}, {pspec = 0x7ffc15c304c8, value = 0x7fb51ef0fc01}, {pspec = 0x5, value = 0x0}, {pspec = 0x5, value = 0x0}, {pspec = 0x1, value = 0x7fb51f12a188}, {pspec = 0x990001, value = 0x219c6d0}, {pspec = 0x0, value = 0x7fb51f12a4e0}, {pspec = 0x7ffc15c30410, value = 0x1021fc76f}, {pspec = 0x7fb51f12a188, value = 0x7ffc15c30400}, {pspec = 0x403426, value = 0x16f5c1ab}, {pspec = 0xffffffff, value = 0x7fb51ca8cf61 <__dcigettext+1313>}, {pspec = 0x7fb51dde84f0, value = 0x7fb51f104a28}, {pspec = 0x0, value = 0x7fb51ca8cdf6 <__dcigettext+950>}, {pspec = 0x415353454d5f434c, value = 0x637675672f534547}}
        params = 0x7ffc15c30340
        name = <optimized out>
        n_params = 1
        class = <optimized out>
        unref_class = <optimized out>
        object = <optimized out>
        __func__ = "g_object_new_valist"
#22 0x00007fb51d673591 in g_object_new (object_type=35333360, first_property_name=first_property_name@entry=0x7fb51e17276c "type") at /build/glib2.0-3UmwzF/glib2.0-2.46.0/./gobject/gobject.c:1622
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7ffc15c30580, reg_save_area = 0x7ffc15c304b0}}
        __func__ = "g_object_new"
#23 0x00007fb51e12ee15 in gtk_window_new (type=type@entry=GTK_WINDOW_TOPLEVEL) at /build/gtk+3.0-pco567/gtk+3.0-3.16.7/./gtk/gtkwindow.c:2191
        __func__ = "gtk_window_new"
#24 0x000000000040cfe9 in gui_attach_gtk3 (width=width@entry=800, height=height@entry=600) at gui_gtk3.c:569
        screen = <optimized out>
        desktop_width = <optimized out>
        desktop_height = <optimized out>
        icon1path = <optimized out>
        maintable = <optimized out>
        HButtonBox = <optimized out>
        pix2path = <optimized out>
        pix3path = <optimized out>
        quitButton = <optimized out>
        pix4path = <optimized out>
        tab_box = <optimized out>
        scroll_1 = <optimized out>
        viewport = <optimized out>
        tab_1 = <optimized out>
        tab_1_label = <optimized out>
        tab_1_icon_path = <optimized out>
        tab_1_icon = <optimized out>
#25 0x000000000040c3e5 in gui_attach (gui=gui@entry=1, width=width@entry=800, height=height@entry=600, control_panel=<optimized out>) at gui.c:895
        ret = 0
#26 0x0000000000407e81 in main (argc=<optimized out>, argv=<optimized out>) at guvcview.c:346
        rl = {rlim_cur = 134217728, rlim_max = 18446744073709551615}
        result = <optimized out>
        lc_all = <optimized out>
        lc_dir = <optimized out>
        txtdom = <optimized out>
        my_options = 0x621ac0 <my_options>
        config_path = <optimized out>
        device_name = <optimized out>
        config_file = 0x212d6a0 "/home/rafal/.config/guvcview2/video0"
        my_config = 0x622700 <my_config>
        render = 1
        gui = 1
        audio = <optimized out>
        vcodec_ind = <optimized out>
        acodec_ind = <optimized out>
        audio_ctx = <optimized out>