.
Thread 6 (Thread 8735):
#0  0x00007fb2ded4ebd3 in *__GI___poll (fds=<value optimized out>, 
    nfds=<value optimized out>, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
        _a3 = -1
        _a1 = 140405958998912
        resultvar = <value optimized out>
        _a2 = 1
        oldtype = 0
        result = <value optimized out>
#1  0x00007fb2d50a76c9 in ?? () from /usr/lib/libasound.so.2
No symbol table info available.
#2  0x00007fb2d50a7c23 in ?? () from /usr/lib/libasound.so.2
No symbol table info available.
#3  0x00007fb2d50e63ba in ?? () from /usr/lib/libasound.so.2
No symbol table info available.
#4  0x00007fb2d5569e96 in gst_alsasrc_read (asrc=0x29fa590, data=0x2b81d88, 
    length=<value optimized out>) at gstalsasrc.c:798
        alsa = 0x29fa590
        err = 441
        cptr = -1
        ptr = 0x2b81d88
        __PRETTY_FUNCTION__ = "gst_alsasrc_read"
#5  0x00007fb2d53519d8 in audioringbuffer_thread_func (buf=0x2772450)
    at gstaudiosrc.c:231
        read = 3528
        left = 3528
        len = 3528
        readptr = 0x2b81d88 "\342\377\360\377\340\377\357\377\344\377\361\377\342\377\360\377\350\377\363\377\350\377\363\377\352\377\364\377\350\377\363\377\344\377\361\377\342\377\360\377\346\377\362\377\354\377\365\377\342\377\360\377\336\377\356\377\344\377\361\377\344\377\361\377\346\377\362\377\344\377\361\377\336\377\356\377\340\377\357\377\332\377\354\377\342\377\360\377\332\377\354\377\340\377\357\377\326\377\352\377\330\377\353\377\332\377\354\377\340\377\357\377\342\377\360\377\342\377\360\377\330\377\353\377\332\377\354\377\336\377\356\377\350\377\363\377\340\377\357\377\344\377\361\377\340\377\357\377\334\377\355\377\350\377\363\377\344\377\361\377\346\377\362\377\352\377\364\377\334\377\355\377\342\377\360\377\342\377\360\377\344\377\361\377\340\377\357\377\346\377\362\377\336\377\356\377\346\377\362\377"...
        readseg = 19
        src = 0x29fa590
        abuf = 0x2772450
        readfunc = 0x7fb2d5569e10 <gst_alsasrc_read>
        message = <value optimized out>
        val = {g_type = 68, data = {{v_int = 44142176, v_uint = 44142176, 
              v_long = 44142176, v_ulong = 44142176, v_int64 = 44142176, 
              v_uint64 = 44142176, v_float = 2.37385431e-37, 
              v_double = 2.1809132694277973e-316, v_pointer = 0x2a18e60}, {
              v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, 
              v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        __FUNCTION__ = "audioringbuffer_thread_func"
#6  0x00007fb2df27a104 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#7  0x00007fb2deffc9ca in start_thread (arg=<value optimized out>)
    at pthread_create.c:300
        __res = <value optimized out>
        pd = 0x7fb2cf4f8710
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140405959001872, 
                -2057046666056156416, 0, 0, 0, 0, 2023937480470969088, 
                2023905185963719424}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
              canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fb2ded5b38d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 5 (Thread 8736):
#0  pthread_cond_wait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
No locals.
#1  0x00007fb2d53422a2 in wait_segment (buf=0x2772450) at gstringbuffer.c:1495
        segments = <value optimized out>
        wait = <value optimized out>
        __FUNCTION__ = "wait_segment"
#2  0x00007fb2d5342efc in gst_ring_buffer_read (buf=0x2772450, 
    sample=<value optimized out>, data=<value optimized out>, 
    len=<value optimized out>) at gstringbuffer.c:1910
        diff = 0
        sampleslen = <value optimized out>
        readseg = 299
        sampleoff = 0
        segdone = -512
        segsize = 3528
        segtotal = 20
        bps = 8
        sps = 441
        dest = 0x2b717b0 "\260\376W\377\264\376Y\377\270\376[\377\272\376\\\377\264\376Y\377\272\376\\\377\264\376Y\377\262\376X\377\262\376X\377\262\376X\377\260\376W\377\262\376X\377\260\376W\377\256\376V\377\256\376V\377\256\376V\377\246\376R\377\250\376S\377\254\376U\377\254\376U\377\252\376T\377\256\376V\377\252\376T\377\256\376V\377\256\376V\377\262\376X\377\262\376X\377\262\376X\377\252\376T\377\262\376X\377\256\376V\377\260\376W\377\262\376X\377\260\376W\377\244\376Q\377\246\376R\377\240\376O\377\246\376R\377\246\376R\377\250\376S\377\244\376Q\377\244\376Q\377\254\376U\377\256\376V\377\250\376S\377\256\376V\377\252\376T\377\256\376V\377\256\376V\377\260\376W\377"...
        to_read = 441
        __PRETTY_FUNCTION__ = "gst_ring_buffer_read"
        __FUNCTION__ = "gst_ring_buffer_read"
#3  0x00007fb2d534d4d2 in gst_base_audio_src_create (
    bsrc=<value optimized out>, offset=<value optimized out>, 
    length=<value optimized out>, outbuf=<value optimized out>)
    at gstbaseaudiosrc.c:794
        buf = 0x7fb2c00035b0
        data = 0x7fb2c006f910 "x"
        samples = 441
        sample = 131859
        bps = <value optimized out>
        ringbuffer = 0x2772450
        read = 4294966784
        timestamp = <value optimized out>
        clock = <value optimized out>
        __PRETTY_FUNCTION__ = "gst_base_audio_src_create"
#4  0x00007fb2d578ef72 in ?? () from /usr/lib/libgstbase-0.10.so.0
No symbol table info available.
#5  0x00007fb2d5790fe3 in ?? () from /usr/lib/libgstbase-0.10.so.0
No symbol table info available.
#6  0x00007fb2dfeac4a3 in ?? () from /usr/lib/libgstreamer-0.10.so.0
No symbol table info available.
#7  0x00007fb2df27bfdf in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#8  0x00007fb2df27a104 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#9  0x00007fb2deffc9ca in start_thread (arg=<value optimized out>)
    at pthread_create.c:300
        __res = <value optimized out>
        pd = 0x7fb2c5251710
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140405788448528, 
                -2057046666056156416, 0, 0, 0, 140405788448528, 
                2023924648719301376, 2023905185963719424}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0x00007fb2ded5b38d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#11 0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 8731):
#0  0x00007fb2ded4ebd3 in *__GI___poll (fds=<value optimized out>, 
    nfds=<value optimized out>, timeout=1257)
    at ../sysdeps/unix/sysv/linux/poll.c:87
        _a3 = 1257
        _a1 = 44124496
        resultvar = <value optimized out>
        _a2 = 2
        oldtype = 0
        result = <value optimized out>
#1  0x00007fb2d4c403bf in ?? () from /usr/lib/libpulse.so.0
No symbol table info available.
#2  0x00007fb2d4c2fd86 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
No symbol table info available.
#3  0x00007fb2d4c31809 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
No symbol table info available.
#4  0x00007fb2d4c318c0 in pa_mainloop_run () from /usr/lib/libpulse.so.0
No symbol table info available.
#5  0x00007fb2d4c401bb in ?? () from /usr/lib/libpulse.so.0
No symbol table info available.
#6  0x00007fb2d43d3f48 in ?? () from /usr/lib/libpulsecommon-0.9.21.so
No symbol table info available.
#7  0x00007fb2deffc9ca in start_thread (arg=<value optimized out>)
    at pthread_create.c:300
        __res = <value optimized out>
        pd = 0x7fb2c62ee710
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140405805868816, 
                -2057046666056156416, 0, 0, 0, 0, 2023922356817378048, 
                2023905185963719424}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
              canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fb2ded5b38d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
Current language:  auto
The current source language is "auto; currently asm".
.
Thread 3 (Thread 8734):
#0  0x00007fb2ded4ebd3 in *__GI___poll (fds=<value optimized out>, 
    nfds=<value optimized out>, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
        _a3 = -1
        _a1 = 140405881371824
        resultvar = <value optimized out>
        _a2 = 2
        oldtype = 0
        result = <value optimized out>
#1  0x00007fb2d5563eeb in task_monitor_alsa (data=0x2a1dfa0)
    at gstalsamixer.c:443
        nfds = 1
        rnfds = 1
        revents = 1
        __PRETTY_FUNCTION__ = "task_monitor_alsa"
#2  0x00007fb2dfeac4a3 in ?? () from /usr/lib/libgstreamer-0.10.so.0
No symbol table info available.
#3  0x00007fb2df27bfdf in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fb2df27a104 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb2deffc9ca in start_thread (arg=<value optimized out>)
    at pthread_create.c:300
        __res = <value optimized out>
        pd = 0x7fb2caaf0710
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140405881374480, 
                -2057046666056156416, 0, 0, 0, 140405881374480, 
                2023932253495769856, 2023905185963719424}, 
              mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007fb2ded5b38d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#7  0x0000000000000000 in ?? ()
No symbol table info available.
Current language:  auto
The current source language is "auto; currently c".
.
Thread 2 (Thread 8732):
#0  0x00007fb2ded4ebd3 in *__GI___poll (fds=<value optimized out>, 
    nfds=<value optimized out>, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
        _a3 = -1
        _a1 = 44978448
        resultvar = <value optimized out>
        _a2 = 2
        oldtype = 0
        result = <value optimized out>
#1  0x00007fb2d4c403bf in ?? () from /usr/lib/libpulse.so.0
No symbol table info available.
#2  0x00007fb2d4c2fd86 in pa_mainloop_poll () from /usr/lib/libpulse.so.0
No symbol table info available.
#3  0x00007fb2d4c31809 in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
No symbol table info available.
#4  0x00007fb2d4c318c0 in pa_mainloop_run () from /usr/lib/libpulse.so.0
No symbol table info available.
#5  0x00007fb2d4c401bb in ?? () from /usr/lib/libpulse.so.0
No symbol table info available.
#6  0x00007fb2d43d3f48 in ?? () from /usr/lib/libpulsecommon-0.9.21.so
No symbol table info available.
#7  0x00007fb2deffc9ca in start_thread (arg=<value optimized out>)
    at pthread_create.c:300
        __res = <value optimized out>
        pd = 0x7fb2c4a50710
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140405780055824, 
                -2057046666056156416, 0, 0, 0, 0, 2023927941348604672, 
                2023905185963719424}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, 
              canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007fb2ded5b38d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#9  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 8510):
#0  0x000000000040b383 in ?? ()
No symbol table info available.
#1  0x00007fb2df6fb5e4 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
No symbol table info available.
#2  0x00007fb2e09b67eb in IA__gtk_main_do_event (event=0x2b16f40)
    at /build/buildd/gtk+2.0-2.19.6/gtk/gtkmain.c:1564
        event_widget = 0x2786180
        grab_widget = 0x2786180
        window_group = 0x2893700
        rewritten_event = 0x0
        tmp_list = <value optimized out>
        __PRETTY_FUNCTION__ = "IA__gtk_main_do_event"
#3  0x00007fb2e060904c in gdk_event_dispatch (source=<value optimized out>, 
    callback=<value optimized out>, user_data=<value optimized out>)
    at /build/buildd/gtk+2.0-2.19.6/gdk/x11/gdkevents-x11.c:2372
        display = <value optimized out>
        event = <value optimized out>
#4  0x00007fb2df250df2 in g_main_context_dispatch ()
   from /lib/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fb2df254c38 in ?? () from /lib/libglib-2.0.so.0
No symbol table info available.
#6  0x00007fb2df25517d in g_main_loop_run () from /lib/libglib-2.0.so.0
No symbol table info available.
#7  0x00007fb2e09b6a97 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.19.6/gtk/gtkmain.c:1219
        tmp_list = 0x254f920
        functions = 0x0
        init = 0x0
        loop = <value optimized out>
#8  0x0000000000406f4e in ?? ()
No symbol table info available.
#9  0x00007fb2dec93c4d in __libc_start_main (main=<value optimized out>, 
    argc=<value optimized out>, ubp_av=<value optimized out>, 
    init=<value optimized out>, fini=<value optimized out>, 
    rtld_fini=<value optimized out>, stack_end=0x7fff42061ef8)
    at libc-start.c:226
        result = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -2057046666056156416, 
                4221904, 140734301085440, 0, 0, 2057409424404921088, 
                2023905579671632640}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x40d6c0, 0x7fff42061f08}, data = {prev = 0x0, 
              cleanup = 0x0, canceltype = 4249280}}}
        not_first_call = <value optimized out>
#10 0x0000000000406bf9 in ?? ()
No symbol table info available.
#11 0x00007fff42061ef8 in ?? ()
No symbol table info available.
#12 0x000000000000001c in ?? ()
No symbol table info available.
#13 0x0000000000000001 in ?? ()
No symbol table info available.
#14 0x00007fff42062c5f in ?? ()
No symbol table info available.
#15 0x0000000000000000 in ?? ()
No symbol table info available.