[alsa] Проблемы с настройкой

ALSA lib pcm.c:6891:(snd_pcm_slave_conf) Unknown field channel
AL lib: alsa.c:512: Could not open playback device 'default': Invalid argument

pcm.ossmix {
        type dmix
        ipc_key 2048
        slave {
                pcm "hw:0,0"
                period_time 0
                period_size 1024
                buffer_size 8192
                rate 48000
                channel 2
        }
        bindings {
                0 0
                1 1
        }
}

pcm.!default {
        type plug
        slave.pcm "ossmix"
}

ctl.!default {
        type plug
        slave.pcm "ossmix"
}

pcm.asymed {
        type asym
        playback.pcm "dmixer"
}

ctl.mixer0 {
        type hw
        card 0
}

pcm.hda-intel {
        type hw
        card 0
}

ctl.hda-intel {
        type hw
        card 0
}

pcm.copy {
        type plug
        slave {
                pcm hw
        }
#route_policy copy
}

lspci -v | grep -i audio
00:1b.0 Audio device: Intel Corporation Cougar Point High Definition Audio Controller (rev 04)

Portage 2.2.0_alpha81 (default/linux/amd64/10.0, gcc-4.5.3, glibc-2.13-r4, 3.1.5-gentoo x86_64)
=================================================================
System uname: Linux-3.1.5-gentoo-x86_64-Intel-R-_Core-TM-_i3-2310M_CPU_@_2.10GHz-with-gentoo-2.0.3
Timestamp of tree: Sun, 18 Dec 2011 18:00:01 +0000
app-shells/bash:          4.1_p9
dev-lang/python:          2.7.2-r3, 3.1.4-r3
dev-util/cmake:           2.8.6-r4
dev-util/pkgconfig:       0.26
sys-apps/baselayout:      2.0.3
sys-apps/openrc:          0.9.7
sys-apps/sandbox:         2.5
sys-devel/autoconf:       2.68
sys-devel/automake:       1.9.6-r3, 1.10.3, 1.11.1
sys-devel/binutils:       2.21.1-r1
sys-devel/gcc:            4.5.3-r1
sys-devel/gcc-config:     1.4.1-r1
sys-devel/libtool:        2.4-r1
sys-devel/make:           3.82-r1
sys-kernel/linux-headers: 2.6.39 (virtual/os-headers)
sys-libs/glibc:           2.13-r4
Repositories: gentoo kde-sunset trinity gamerlay-stable my_local_overlay
Installed sets:
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* Broadcom"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=native -O2 -pipe -fomit-frame-pointer"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/config /usr/share/gnupg/qualified.txt"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.4/ext-active/ /etc/php/cgi-php5.4/ext-active/ /etc/php/cli-php5.4/ext-active/ /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-march=native -O2 -pipe -fomit-frame-pointer"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS="--quiet-build=y -j 5"
FEATURES="assume-digests binpkg-logs candy distlocks ebuild-locks fixlafiles metadata-transfer news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch"
FFLAGS=""
GENTOO_MIRRORS="http://distfiles.gentoo.org"
LANG="ru_RU.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--enable-new-dtags -Wl,--sort-common -s"
LINGUAS="ru"
MAKEOPTS="-j4"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/portage/local/layman/kde-sunset /usr/portage/local/layman/trinity /usr/portage/local/layman/gamerlay /usr/portage/local"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="X acl alsa amd64 animgif berkdb bluetooth bzip2 cli cracklib crypt cups cxx dbus djvu dri ffmpeg flac fortran gd gdbm gif gpm iconv id3tag ipv6 jpeg jpeg2k laptop mmx modules mp3 mpeg mudflap multilib mysql ncurses nls nptl nptlonly ogg opengl openmp pam pcre pdf perl png pppd qt3support readline session spell sse sse2 sse3 ssl ssse3 svg sysfs tcpd theora threads tiff truetype unicode v4l vim-syntax vorbis xml xorg xvid zlib zsh-completion" ALSA_CARDS="hda-intel" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" CALLIGRA_FEATURES="kexi words flow plan stage tables krita karbon braindump" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="evdev synaptics" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="ru" PHP_TARGETS="php5-3" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="intel fbdev v4l" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"
Unset:  CPPFLAGS, CTARGET, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS