Thread 3 (Thread 0x7f35a0d42700 (LWP 2494)):
#0  0x00007f35a7393a5c in snd_pcm_hw_refine () from /usr/lib/libasound.so.2
#1  0x00007f35a73938af in ?? () from /usr/lib/libasound.so.2
#2  0x00007f35a73c8780 in ?? () from /usr/lib/libasound.so.2
#3  0x00007f35a73938af in ?? () from /usr/lib/libasound.so.2
#4  0x00007f35a73a9b10 in ?? () from /usr/lib/libasound.so.2
#5  0x00007f35a333a5e9 in gst_alsa_probe_supported_formats (obj=0x48a4800, 
    handle=0x7f359401eae0, template_caps=0x48ce6c0) at gstalsa.c:420
#6  0x00007f35a3337232 in gst_alsasink_getcaps (bsink=0x48a4800)
    at gstalsasink.c:319
#7  0x00007f35ae2cf555 in gst_base_sink_pad_getcaps (pad=0x37b2e30)
    at gstbasesink.c:574
#8  0x00007f35ae031b6a in gst_pad_get_caps_unlocked (pad=0x37b2e30)
    at gstpad.c:2217
#9  0x00007f35ae0352ca in gst_pad_get_caps_reffed (pad=0x37b2e30)
---Type <return> to continue, or q <return> to quit---
    at gstpad.c:2301
#10 0x00007f35ae03550d in gst_pad_peer_get_caps_reffed (pad=0x47cfdb0)
    at gstpad.c:2368
#11 0x00007f35ae2e1f15 in gst_base_transform_getcaps (pad=0x47cfc30)
    at gstbasetransform.c:642
#12 0x00007f35ae031b6a in gst_pad_get_caps_unlocked (pad=0x47cfc30)
    at gstpad.c:2217
#13 0x00007f35ae0352ca in gst_pad_get_caps_reffed (pad=0x47cfc30)
    at gstpad.c:2301
#14 0x00007f35ae03550d in gst_pad_peer_get_caps_reffed (pad=0x47cfab0)
    at gstpad.c:2368
#15 0x00007f35ae2e1f15 in gst_base_transform_getcaps (pad=0x47cf930)
    at gstbasetransform.c:642
#16 0x00007f35ae031b6a in gst_pad_get_caps_unlocked (pad=0x47cf930)
    at gstpad.c:2217
#17 0x00007f35ae0352ca in gst_pad_get_caps_reffed (pad=0x47cf930)
    at gstpad.c:2301
#18 0x00007f35ae03550d in gst_pad_peer_get_caps_reffed (pad=0x47cf7b0)
    at gstpad.c:2368
#19 0x00007f35ae2e1f15 in gst_base_transform_getcaps (pad=0x47cf630)
    at gstbasetransform.c:642
#20 0x00007f35ae031b6a in gst_pad_get_caps_unlocked (pad=0x47cf630)
    at gstpad.c:2217
---Type <return> to continue, or q <return> to quit---
#21 0x00007f35ae0352ca in gst_pad_get_caps_reffed (pad=0x47cf630)
    at gstpad.c:2301
#22 0x00007f35ae03550d in gst_pad_peer_get_caps_reffed (pad=0x47cf4b0)
    at gstpad.c:2368
#23 0x00007f35ae2e1f15 in gst_base_transform_getcaps (pad=0x47cf330)
    at gstbasetransform.c:642
#24 0x00007f35ae031b6a in gst_pad_get_caps_unlocked (pad=0x47cf330)
    at gstpad.c:2217
#25 0x00007f35ae0352ca in gst_pad_get_caps_reffed (pad=0x47cf330)
    at gstpad.c:2301
#26 0x00007f35ae035439 in gst_pad_get_caps (pad=<value optimized out>)
    at gstpad.c:2326
#27 0x00007f35ae03562d in gst_pad_peer_get_caps (pad=0x47cf1b0)
    at gstpad.c:2411
#28 0x00007f35ac947ecc in gst_queue_getcaps (pad=<value optimized out>)
    at gstqueue.c:493
#29 0x00007f35ae031b6a in gst_pad_get_caps_unlocked (pad=0x47cf030)
    at gstpad.c:2217
#30 0x00007f35ae0352ca in gst_pad_get_caps_reffed (pad=0x47cf030)
    at gstpad.c:2301
#31 0x00007f35ae02595d in gst_proxy_pad_do_getcaps (pad=0x4af6000)
    at gstghostpad.c:211
#32 0x00007f35ae031b6a in gst_pad_get_caps_unlocked (pad=0x4af6000)
---Type <return> to continue, or q <return> to quit---
    at gstpad.c:2217
#33 0x00007f35ae0352ca in gst_pad_get_caps_reffed (pad=0x4af6000)
    at gstpad.c:2301
#34 0x00007f35ae03550d in gst_pad_peer_get_caps_reffed (pad=0x4b6fe20)
    at gstpad.c:2368
#35 0x00007f35ae2e1f15 in gst_base_transform_getcaps (pad=0x4b6fca0)
    at gstbasetransform.c:642
#36 0x00007f35ae031b6a in gst_pad_get_caps_unlocked (pad=0x4b6fca0)
    at gstpad.c:2217
#37 0x00007f35ae0352ca in gst_pad_get_caps_reffed (pad=0x4b6fca0)
    at gstpad.c:2301
#38 0x00007f35ae03550d in gst_pad_peer_get_caps_reffed (pad=0x4b6fb20)
    at gstpad.c:2368
#39 0x00007f35ae2e1f15 in gst_base_transform_getcaps (pad=0x4b6f9a0)
    at gstbasetransform.c:642
#40 0x00007f35ae031b6a in gst_pad_get_caps_unlocked (pad=0x4b6f9a0)
    at gstpad.c:2217
#41 0x00007f35ae0352ca in gst_pad_get_caps_reffed (pad=0x4b6f9a0)
    at gstpad.c:2301
#42 0x00007f35ae2e0cd2 in gst_base_transform_acceptcaps_default (trans=
    0x4b80150, direction=GST_PAD_SINK, caps=0x4bc6040)
    at gstbasetransform.c:1034
#43 0x00007f35ae2e0886 in gst_base_transform_acceptcaps (pad=0x4b6f9a0, caps=
---Type <return> to continue, or q <return> to quit---
    0x4bc6040) at gstbasetransform.c:1095
#44 0x00007f35ae0358bc in gst_pad_accept_caps (pad=0x4b6f9a0, caps=0x4bc6040)
    at gstpad.c:2591
#45 0x00007f35ae2e1483 in gst_base_transform_find_transform (trans=0x4962f70, 
    pad=0x4b6f6a0, caps=0x4bc6040) at gstbasetransform.c:858
#46 0x00007f35ae2e2954 in gst_base_transform_buffer_alloc (pad=0x4b6f6a0, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948)
    at gstbasetransform.c:1830
#47 0x00007f35ae036687 in gst_pad_buffer_alloc_unchecked (pad=0x4b6f520, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948, setcaps=0)
    at gstpad.c:2984
#48 gst_pad_alloc_buffer_full (pad=0x4b6f520, offset=16383, size=16384, caps=
    0x4bc6040, buf=0x7f35a0d41948, setcaps=0) at gstpad.c:3061
#49 0x00007f35ae036687 in gst_pad_buffer_alloc_unchecked (pad=0x4af7750, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948, setcaps=0)
    at gstpad.c:2984
#50 gst_pad_alloc_buffer_full (pad=0x4af7750, offset=16383, size=16384, caps=
    0x4bc6040, buf=0x7f35a0d41948, setcaps=0) at gstpad.c:3061
#51 0x00007f35ae036687 in gst_pad_buffer_alloc_unchecked (pad=0x4affd90, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948, setcaps=0)
    at gstpad.c:2984
#52 gst_pad_alloc_buffer_full (pad=0x4affd90, offset=16383, size=16384, caps=
    0x4bc6040, buf=0x7f35a0d41948, setcaps=0) at gstpad.c:3061
---Type <return> to continue, or q <return> to quit---
#53 0x00007f35a265a098 in gst_stream_synchronizer_sink_bufferalloc (pad=
    0x4b8db40, offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948)
    at gststreamsynchronizer.c:563
#54 0x00007f35ae036687 in gst_pad_buffer_alloc_unchecked (pad=0x4b8d3c0, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948, setcaps=0)
    at gstpad.c:2984
#55 gst_pad_alloc_buffer_full (pad=0x4b8d3c0, offset=16383, size=16384, caps=
    0x4bc6040, buf=0x7f35a0d41948, setcaps=0) at gstpad.c:3061
#56 0x00007f35ac9561f3 in gst_tee_buffer_alloc (pad=<value optimized out>, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948)
    at gsttee.c:572
#57 0x00007f35ae036687 in gst_pad_buffer_alloc_unchecked (pad=0x4af73f0, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948, setcaps=0)
    at gstpad.c:2984
#58 gst_pad_alloc_buffer_full (pad=0x4af73f0, offset=16383, size=16384, caps=
    0x4bc6040, buf=0x7f35a0d41948, setcaps=0) at gstpad.c:3061
#59 0x00007f35ae036687 in gst_pad_buffer_alloc_unchecked (pad=0x4b8dcc0, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948, setcaps=0)
    at gstpad.c:2984
#60 gst_pad_alloc_buffer_full (pad=0x4b8dcc0, offset=16383, size=16384, caps=
    0x4bc6040, buf=0x7f35a0d41948, setcaps=0) at gstpad.c:3061
#61 0x00007f35ac9409ce in gst_selector_pad_bufferalloc (pad=0x4b79d50, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948)
---Type <return> to continue, or q <return> to quit---
    at gstinputselector.c:530
#62 0x00007f35ae036687 in gst_pad_buffer_alloc_unchecked (pad=0x4af6c40, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948, setcaps=0)
    at gstpad.c:2984
#63 gst_pad_alloc_buffer_full (pad=0x4af6c40, offset=16383, size=16384, caps=
    0x4bc6040, buf=0x7f35a0d41948, setcaps=0) at gstpad.c:3061
#64 0x00007f35ae036687 in gst_pad_buffer_alloc_unchecked (pad=0x4b90980, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948, setcaps=0)
    at gstpad.c:2984
#65 gst_pad_alloc_buffer_full (pad=0x4b90980, offset=16383, size=16384, caps=
    0x4bc6040, buf=0x7f35a0d41948, setcaps=0) at gstpad.c:3061
#66 0x00007f35ae036687 in gst_pad_buffer_alloc_unchecked (pad=0x4b8de40, 
    offset=16383, size=16384, caps=0x4bc6040, buf=0x7f35a0d41948, setcaps=1)
    at gstpad.c:2984
#67 gst_pad_alloc_buffer_full (pad=0x4b8de40, offset=16383, size=16384, caps=
    0x4bc6040, buf=0x7f35a0d41948, setcaps=1) at gstpad.c:3061
#68 0x00007f35a1bcb322 in gst_flac_dec_write (decoder=<value optimized out>, 
    frame=0x7f3594003950, buffer=0x7f3594003478, client_data=0x4b64230)
    at gstflacdec.c:964
#69 gst_flac_dec_write_stream (decoder=<value optimized out>, frame=
    0x7f3594003950, buffer=0x7f3594003478, client_data=0x4b64230)
    at gstflacdec.c:1068
#70 0x00007f35a198ebad in ?? () from /usr/lib/libFLAC.so.8
---Type <return> to continue, or q <return> to quit---
#71 0x00007f35a198ef40 in FLAC__stream_decoder_process_single ()
   from /usr/lib/libFLAC.so.8
#72 0x00007f35a1bcc880 in gst_flac_dec_chain (pad=<value optimized out>, buf=
    0x0) at gstflacdec.c:1399
#73 0x00007f35ae03a5a4 in gst_pad_push (pad=0x4b651e0, buffer=0x7f359c029490)
    at gstpad.c:4665
#74 0x00007f35a1ff0e4f in gst_base_parse_push_buffer (parse=0x3a46800, buffer=
    0x7f359c029490) at gstbaseparse.c:1668
#75 0x00007f35a1ff19a9 in gst_base_parse_handle_and_push_buffer (parse=
    0x3a46800, buffer=0x7f359c029490, klass=<value optimized out>)
    at gstbaseparse.c:1476
#76 0x00007f35a1ff3da7 in gst_base_parse_loop (pad=<value optimized out>)
    at gstbaseparse.c:2295
#77 0x00007f35ae060e90 in gst_task_func (task=0x4b8e930) at gsttask.c:318
#78 0x00007f35bbdc93e4 in g_thread_pool_thread_proxy (
    data=<value optimized out>)
    at /tmp/buildd/glib2.0-2.28.6/./glib/gthreadpool.c:319
#79 0x00007f35bbdc6cf6 in g_thread_create_proxy (data=0x4b8ac90)
    at /tmp/buildd/glib2.0-2.28.6/./glib/gthread.c:1897
#80 0x00007f35bdc528ba in start_thread (arg=<value optimized out>)
    at pthread_create.c:300
#81 0x00007f35bcb0002d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
