ltrace alsa aplay

pielgrzym@abulafia~# ltrace aplay audiodump.wav         
__libc_start_main(0x80502a0, 2, 0xbfa904f4, 0x80511e0, 0x80511d0 <unfinished ...>
setlocale(6, "")                                 = "pl_PL.utf-8"
textdomain("alsa-utils")                         = "alsa-utils"
snd_pcm_info_sizeof(0x80516b0, 0x80514e4, 0xb7f5e6c0, 0x804a7c0, 0x1000000) = 288
snd_pcm_info_sizeof(0xb7e75a00, 0, 0, 0, 0xb7f2ed54) = 288
memset(0xbfa90300, '\000', 288)                  = 0xbfa90300
snd_output_stdio_attach(0x8053ec4, 0xb7e2f560, 0, 0, 0xb7f2ed54) = 0
strstr("aplay", "arecord")                       = NULL
strstr("aplay", "aplay")                         = "aplay"
getopt_long(2, 0xbfa904f4, "hnlLD:qt:c:f:r:d:s:MNF:A:R:T:B:v"..., 0x8053c60, 0xbfa90444) = -1
snd_pcm_open(0x8053e9c, 0x80516c9, 0, 0, 0xbfa90444ALSA lib pcm_direct.c:1590:(snd_pcm_direct_parse_open_conf) The field ipc_gid must be a valid group (create group audio)
) = -22
fprintf(0xb7e2f560, "%s: %s:%d: ", "aplay", "main", 545aplay: main:545: ) = 17
snd_strerror(-22, 0x8051290, 0x80516c3, 0x80527d4, 545) = 0x80745b8
dcgettext(0, 0x805173b, 5, 0x80527d4, 545)       = 0x805173b
fprintf(0xb7e2f560, "audio open error: %s", "Z\305\202y argument"audio open error: Z&#322;y argument) = 31
_IO_putc('\n', 0xb7e2f560
)                       = 10
+++ exited (status 1) +++