Alsa-lib 1.0.11_rc3 when emerged fails all applications that tries to record audio. # arecord ALSA lib pcm_direct.c:224:(make_local_socket) connect failed: : Invalid argument ALSA lib pcm_dsnoop.c:588:(snd_pcm_dsnoop_open) unable to connect client arecord: main:547: audio open error: Invalid argument Reverting just alsa-lib to 1.0.10 fixes the problem. I did not remember seeing this problem in 1.0.11_rc2 (that was what I had in my system, but this ebuild does not exists anymore). This problem also occurred in my other machine a amd64 running gentoo 2005.1 x64_64. Portage 2.1_pre4-r1 (default-linux/x86/2005.1, gcc-, glibc-2.3.6-r2, 2.6.15-suspend2-r3 i686) ================================================================= System uname: 2.6.15-suspend2-r3 i686 Mobile Intel(R) Celeron(TM) CPU 1200MHz Gentoo Base System version 1.12.0_pre15 dev-lang/python: 2.4.2-r1 sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1 sys-devel/binutils: 2.16.1-r1 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r3 ACCEPT_KEYWORDS="x86 ~x86" AUTOCLEAN="yes" CBUILD="i686-linux-gnu" CFLAGS="-march=pentium3 -O2" CHOST="i686-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/kde/3/share/config /usr/lib/X11/xkb /usr/share/config /var/bind /var/qmail/control" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/texmf/web2c /etc/env.d" CXXFLAGS="-march=pentium3 -O2" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="http://192.168.0.101/" LANG="en_US.ISO8859-1" MAKEOPTS="-j1" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/my_portage" SYNC="rsync://192.168.0.101/portage" USE="x86 X Xaw3d a52 aac acl acpi alsa apache2 arts asf atk audiofile avi bash-completion berkdb bitmap-fonts bzip2 bzlib cdparanoia cdr cross crypt cscope ctype cups curl curlwrappers dba divx4linux doc dvd dvdr dvdread eds emboss encode ethereal examples ffmpeg flac foomaticdb fortran gcj gd gdbm gif gnome gpm gstreamer gtk gtk2 gtkhtml guile hal iconv icq imap imlib innodb ipv6 jabber java jikes joystick jpeg kde ldap lesstif libg++ libwww lm_sensors mad madwifi matroska mcal mikmod mime mmap mmx mng motif mozilla mp3 mpeg musicbrainz mysql ncurses nls nptl nptlonly ofx ogg oggvorbis openal opengl oss pam pcmcia pcre pdflib perl php png postgres ppds python qt quicktime readline samba scanner sdl session shared sharedmem skey slang sndfile snmp soap sockets source speex spell sse ssl tcltk tcpd theora threads truetype truetype-fonts type1-fonts unicode usb v4l vcd vorbis wifi win32codecs win32codes xine xml xml2 xmms xpm xprint xsl xv xvid zlib elibc_glibc kernel_linux userland_GNU" Unset: ASFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, LC_ALL, LDFLAGS, LINGUAS
Please report upstream, it seems like they screwed something up.