d7463da in snd_pcm_area_copy (dst_area=0x7f4290ced250, dst_offset=144, src_area=0x7f4290ced260, src_offset=0, samples=0, format=SND_PCM_FORMAT_S32_LE)
    at pcm.c:2758
        bytes = 15232
        src = 0x7f427c0316b0 ""
        dst = 0x7f427c0318f0 ""
        width = 32
        src_step = 32578
        dst_step = -1865493936
        __PRETTY_FUNCTION__ = "snd_pcm_area_copy"
        __FUNCTION__ = "snd_pcm_area_copy"
#5  0x00007f42ad746918 in snd_pcm_areas_copy (dst_areas=0x7f427c000e90, dst_offset=72, src_areas=0x7f427c000e90, src_offset=0, channels=2, frames=1904, 
    format=SND_PCM_FORMAT_S32_LE) at pcm.c:2904
        s = {addr = 0x7f427c0316b0, first = 0, step = 32}
        d = {addr = 0x7f427c0316b0, first = 0, step = 32}
        step = 64
        src_addr = 0x7f427c0316b0
        src_start = 0x7f427c000e70
        channels1 = 0
        chns = 2
        dst_addr = 0x7f427c0316b0
        dst_start = 0x7f427c000e70
        width = 32
        __PRETTY_FUNCTION__ = "snd_pcm_areas_copy"
        __FUNCTION__ = "snd_pcm_areas_copy"
#6  0x00007f42ad79cb66 in softvol_convert_stereo_vol (svol=0x7f427c02f500, dst_areas=0x7f427c000e70, dst_offset=72, src_areas=0x7f427c000e70, src_offset=0, 
    channels=2, frames=1904) at pcm_softvol.c:291
        dst_area = 0x7f427c02f560
        src_area = 0x7f427c031380
        src_step = 32578
        dst_step = 2909997239
        vol_scale = 32578
        vol = {2429473552, 1}
        vol_c = 2080568576
#7  0x00007f42ad79e081 in snd_pcm_softvol_read_areas (pcm=0x7f427c031080, areas=0x7f427c000e70, offset=72, size=1904, slave_areas=0x7f427c000e70, slave_offset=0, 
    slave_sizep=0x7f4290ced408) at pcm_softvol.c:630
        svol = 0x7f427c02f500
#8  0x00007f42ad75e367 in snd_pcm_plugin_avail_update (pcm=0x7f427c031080) at pcm_plugin.c:490
        frames = 1904
        cont = 1976
        slave_frames = 2048
        err = 0
        slave_areas = 0x7f427c000e70
        slave_offset = 0
        result = 72
        areas = 0x7f427c000e70
        xfer = 144
        hw_offset = 72
        size = 1904
        plugin = 0x7f427c02f500
        slave = 0x7f427c030640
        slave_size = 2472
#9  0x00007f42ad745c3e in snd_pcm_avail_update (pcm=0x7f427c031080) at pcm.c:2508
No locals.
#10 0x00007f42ad75e214 in snd_pcm_plugin_avail_update (pcm=0x7f427c02fc70) at pcm_plugin.c:460
        plugin = 0x7f427c031310
        slave = 0x7f427c031080
        slave_size = 9255600
#11 0x00007f42ad745c3e in snd_pcm_avail_update (pcm=0x7f427c02faa0) at pcm.c:2508
No locals.
#12 0x00000000005486d4 in ring::AlsaLayer::capture (this=0x1978220) at alsalayer.cpp:694
        mainBufferFormat = {sample_rate = 48000, nb_channels = 2, static DEFAULT_SAMPLE_RATE = 48000}
        toGetFrames = 32578
        framesPerBufferAlsa = 5540553
#13 0x0000000000545de4 in ring::AlsaThread::run (this=0x19706f0) at alsalayer.cpp:137
No locals.
d7463da in snd_pcm_area_copy (dst_area=0x7f4290ced250, dst_offset=144, src_area=0x7f4290ced260, src_offset=0, samples=0, format=SND_PCM_FORMAT_S32_LE)
    at pcm.c:2758
        bytes = 15232
        src = 0x7f427c0316b0 ""
        dst = 0x7f427c0318f0 ""
        width = 32
        src_step = 32578
        dst_step = -1865493936
        __PRETTY_FUNCTION__ = "snd_pcm_area_copy"
        __FUNCTION__ = "snd_pcm_area_copy"
#5  0x00007f42ad746918 in snd_pcm_areas_copy (dst_areas=0x7f427c000e90, dst_offset=72, src_areas=0x7f427c000e90, src_offset=0, channels=2, frames=1904, 
    format=SND_PCM_FORMAT_S32_LE) at pcm.c:2904
        s = {addr = 0x7f427c0316b0, first = 0, step = 32}
        d = {addr = 0x7f427c0316b0, first = 0, step = 32}
        step = 64
        src_addr = 0x7f427c0316b0
        src_start = 0x7f427c000e70
        channels1 = 0
        chns = 2
        dst_addr = 0x7f427c0316b0
        dst_start = 0x7f427c000e70
        width = 32
        __PRETTY_FUNCTION__ = "snd_pcm_areas_copy"
        __FUNCTION__ = "snd_pcm_areas_copy"
#6  0x00007f42ad79cb66 in softvol_convert_stereo_vol (svol=0x7f427c02f500, dst_areas=0x7f427c000e70, dst_offset=72, src_areas=0x7f427c000e70, src_offset=0, 
    channels=2, frames=1904) at pcm_softvol.c:291
        dst_area = 0x7f427c02f560
        src_area = 0x7f427c031380
        src_step = 32578
        dst_step = 2909997239
        vol_scale = 32578
        vol = {2429473552, 1}
        vol_c = 2080568576
#7  0x00007f42ad79e081 in snd_pcm_softvol_read_areas (pcm=0x7f427c031080, areas=0x7f427c000e70, offset=72, size=1904, slave_areas=0x7f427c000e70, slave_offset=0, 
    slave_sizep=0x7f4290ced408) at pcm_softvol.c:630
        svol = 0x7f427c02f500
#8  0x00007f42ad75e367 in snd_pcm_plugin_avail_update (pcm=0x7f427c031080) at pcm_plugin.c:490
        frames = 1904
        cont = 1976
        slave_frames = 2048
        err = 0
        slave_areas = 0x7f427c000e70
        slave_offset = 0
        result = 72
        areas = 0x7f427c000e70
        xfer = 144
        hw_offset = 72
        size = 1904
        plugin = 0x7f427c02f500
        slave = 0x7f427c030640
        slave_size = 2472
#9  0x00007f42ad745c3e in snd_pcm_avail_update (pcm=0x7f427c031080) at pcm.c:2508
No locals.
#10 0x00007f42ad75e214 in snd_pcm_plugin_avail_update (pcm=0x7f427c02fc70) at pcm_plugin.c:460
        plugin = 0x7f427c031310
        slave = 0x7f427c031080
        slave_size = 9255600
#11 0x00007f42ad745c3e in snd_pcm_avail_update (pcm=0x7f427c02faa0) at pcm.c:2508
No locals.
#12 0x00000000005486d4 in ring::AlsaLayer::capture (this=0x1978220) at alsalayer.cpp:694
        mainBufferFormat = {sample_rate = 48000, nb_channels = 2, static DEFAULT_SAMPLE_RATE = 48000}
        toGetFrames = 32578
        framesPerBufferAlsa = 5540553
#13 0x0000000000545de4 in ring::AlsaThread::run (this=0x19706f0) at alsalayer.cpp:137
No locals.