Sound Probs unter Gentoo

localhost /home/michi # cat /proc/asound/cards 
 0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xf7120000 irq 125
localhost /home/michi # aplay -L
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e.g. happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid 1000! (This could e.g. happen if you try to connect to a non-root PulseAudio as a root user, over the native protocol. Don't do that.)
null
    Discard all samples (playback) or generate zero samples (capture)
default:CARD=PCH
    HDA Intel PCH, ALC887-VD Analog
    Default Audio Device
sysdefault:CARD=PCH
    HDA Intel PCH, ALC887-VD Analog
    Default Audio Device
front:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    Front speakers
surround21:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Digital
    IEC958 (S/PDIF) Digital Audio Output
usbstream:CARD=PCH
    HDA Intel PCH
    USB Stream Output
localhost /home/michi # su michi 
michi@localhost ~ $ groups
wheel michi

localhost /home/michi # usermod -a -G audio michi
localhost /home/michi # su michi
michi@localhost ~ $ groups
wheel audio michi
michi@localhost ~ $ speaker-test -c 2 -D front

speaker-test 1.2.1

Playback device is front
Stream parameters are 48000Hz, S16_LE, 2 channels
Using 16 octaves of pink noise
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 64 to 16384
Period size range from 32 to 8192
Using max buffer size 16384
Periods = 4
was set period_size = 4096
was set buffer_size = 16384
 0 - Front Left
 1 - Front Right
Time per period = 5,632694
 0 - Front Left
 1 - Front Right
Time per period = 5,973156
 0 - Front Left
 1 - Front Right
Time per period = 5,973484
 0 - Front Left
 1 - Front Right
Time per period = 5,972989
 0 - Front Left
 1 - Front Right
^CWrite error: -4,Interrupted system call
xrun_recovery failed: -4,Interrupted system call
Transfer failed: Interrupted system call
michi@localhost ~ $ aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
sysdefault:CARD=PCH
    HDA Intel PCH, ALC887-VD Analog
    Default Audio Device
front:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    Front speakers
surround21:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=PCH,DEV=0
    HDA Intel PCH, ALC887-VD Digital
    IEC958 (S/PDIF) Digital Audio Output
usbstream:CARD=PCH
    HDA Intel PCH
    USB Stream Output
michi@localhost ~ $ dmesg | egrep -i "alsa|snd"
[    0.956424] udevd[1447]: ctx=0x555aca7b5d80 path=/lib/modules/4.19.86-gentoo/kernel/sound/pci/hda/snd-hda-codec.ko error=No such file or directory
[    5.268855] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
[    5.268959] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops intel_dual_link_lvds_callback [i915])
[    5.314928] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC887-VD: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:line
[    5.314929] snd_hda_codec_realtek hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[    5.314930] snd_hda_codec_realtek hdaudioC0D0:    hp_outs=1 (0x1b/0x0/0x0/0x0/0x0)
[    5.314931] snd_hda_codec_realtek hdaudioC0D0:    mono: mono_out=0x0
[    5.314931] snd_hda_codec_realtek hdaudioC0D0:    dig-out=0x11/0x0
[    5.314932] snd_hda_codec_realtek hdaudioC0D0:    inputs:
[    5.314932] snd_hda_codec_realtek hdaudioC0D0:      Front Mic=0x19
[    5.314933] snd_hda_codec_realtek hdaudioC0D0:      Rear Mic=0x18
[    5.314934] snd_hda_codec_realtek hdaudioC0D0:      Line=0x1a
[    5.327045] snd_hda_codec_generic hdaudioC0D2: autoconfig for Generic: line_outs=0 (0x0/0x0/0x0/0x0/0x0) type:line
[    5.327046] snd_hda_codec_generic hdaudioC0D2:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[    5.327047] snd_hda_codec_generic hdaudioC0D2:    hp_outs=0 (0x0/0x0/0x0/0x0/0x0)
[    5.327047] snd_hda_codec_generic hdaudioC0D2:    mono: mono_out=0x0
[    5.327048] snd_hda_codec_generic hdaudioC0D2:    inputs:
michi@localhost ~ $ lspci | grep -i audio
00:1f.3 Audio device: Intel Corporation 200 Series PCH HD Audio
michi@localhost ~ $