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alsa-mixer.c: Volume element PCM has 4 channels. That's too much! I can't handle that!

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Есть такой у меня баг, что установленным alsa-plugins-1.17 pulseaudio[alsa-plugin] не работает.

При pulseaudio[-alsa-plugin] alsa-plugins удаляются и всё работает.

~ $ pulseaudio 
W: [pulseaudio] pid.c: Stale PID file, overwriting.
W: [pulseaudio] alsa-mixer.c: Volume element PCM has 4 channels. That's too much! I can't handle that!
W: [pulseaudio] alsa-mixer.c: Volume element PCM has 4 channels. That's too much! I can't handle that!
W: [pulseaudio] alsa-mixer.c: Volume element PCM has 4 channels. That's too much! I can't handle that!
W: [pulseaudio] alsa-mixer.c: Volume element PCM has 4 channels. That's too much! I can't handle that!
Segmentation fault
~ $ aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
pulse
    PulseAudio Sound Server
default:CARD=USB
    E-MU 0404 
    Default Audio Device
sysdefault:CARD=USB
    E-MU 0404 
    Default Audio Device
front:CARD=USB,DEV=0
    E-MU 0404 
    Front speakers
surround21:CARD=USB,DEV=0
    E-MU 0404 
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=USB,DEV=0
    E-MU 0404 
    4.0 Surround output to Front and Rear speakers
surround41:CARD=USB,DEV=0
    E-MU 0404 
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=USB,DEV=0
    E-MU 0404 
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=USB,DEV=0
    E-MU 0404 
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=USB,DEV=0
    E-MU 0404 
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=USB,DEV=0
    E-MU 0404 
    IEC958 (S/PDIF) Digital Audio Output
media-plugins/alsa-plugins-1.1.7::gentoo was built with the following:
USE="ffmpeg mix pulseaudio -arcam_av -debug -jack -libav -libsamplerate -oss -speex -usb_stream"


media-sound/pulseaudio-12.2::gentoo was built with the following:
USE="X alsa alsa-plugin caps dbus gdbm glib gtk orc ssl udev -asyncns -bluetooth -doc -equalizer -gconf -ipv6 -jack -libressl -libsamplerate -lirc -native-headset (-neon) -ofono-headset (-oss) -qt5 -realtime (-selinux) -sox (-system-wide) -systemd -tcpd -test -webrtc-aec -zeroconf"
Как починить, чтоб alsa-plugins оставить?

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