Ubuntu 16.04 LTEを新しいLenovo E470マシンにインストールしました。サウンドデバイスが検出されない、つまり：
同様に、入力デバイスは検出されません。役立つ可能性のある情報：
aplay -lリターン
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 3: HDMI 0 [HDMI 0]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0
とにかく、オーディオデバイスが存在します：（sudo lspci -v特に）を返します
00:1f.3 Audio device: Intel Corporation Device 9d71 (rev 21)
Subsystem: Lenovo Device 505b
Flags: bus master, fast devsel, latency 64, IRQ 16
Memory at f4420000 (64-bit, non-prefetchable) [size=16K]
Memory at f4410000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [50] Power Management version 3
Capabilities: [60] MSI: Enable- Count=1/1 Maskable- 64bit+
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
私はalsaのリロードを強制しようとしました：sudo alsa force-reloadリターン
Terminating processes: 10509 (failed: processes still using sound devices: 30977(pulseaudio)).
Unloading ALSA sound driver modules: snd-seq-midi snd-seq-midi-event snd-seq snd-rawmidi snd-seq-device snd-hda-codec-hdmi snd-hda-intel snd-hda-codec snd-hda-core snd-hwdep snd-pcm snd-timer (failed: modules still loaded: snd-hda-codec-hdmi snd-hda-intel snd-hda-codec snd-hda-core snd-hwdep snd-pcm snd-timer).
Loading ALSA sound driver modules: snd-seq-midi snd-seq-midi-event snd-seq snd-rawmidi snd-seq-device snd-hda-codec-hdmi snd-hda-intel snd-hda-codec snd-hda-core snd-hwdep snd-pcm snd-timer.
pacmdでシンクをリストする： pacmd
Welcome to PulseAudio 8.0! Use "help" for usage information.
>>> list-sinks
1 sink(s) available.
* index: 0
name: <alsa_output.pci-0000_00_1f.3.hdmi-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: IDLE
suspend cause:
priority: 9950
volume: front-left: 53740 / 82% / -5.17 dB, front-right: 53740 / 82% / -5.17 dB
balance 0.00
base volume: 65536 / 100% / 0.00 dB
volume steps: 65537
muted: no
current latency: 370.83 ms
max request: 64 KiB
max rewind: 64 KiB
monitor source: 0
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 0
configured latency: 371.52 ms; range is 0.50 .. 371.52 ms
card: 0 <alsa_card.pci-0000_00_1f.3>
module: 6
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "HDMI 0"
alsa.id = "HDMI 0"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "3"
alsa.card = "0"
alsa.card_name = "HDA Intel"
alsa.long_card_name = "HDA Intel at 0xf4420000 irq 126"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:1f.3"
sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
device.bus = "pci"
device.vendor.id = "8086"
device.vendor.name = "Intel Corporation"
device.product.id = "9d71"
device.form_factor = "internal"
device.string = "hdmi:0"
device.buffering.buffer_size = "65536"
device.buffering.fragment_size = "32768"
device.access_mode = "mmap+timer"
device.profile.name = "hdmi-stereo"
device.profile.description = "Digital Stereo (HDMI)"
device.description = "Built-in Audio Digital Stereo (HDMI)"
alsa.mixer_name = "Intel Kabylake HDMI"
alsa.components = "HDA:8086280b,17aa505b,00100000"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
ports:
hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no)
properties:
device.icon_name = "video-display"
active port: <hdmi-output-0>
事前にこのマシンで音を出すことができなかったことに言及する必要があります。
お時間をいただきありがとうございます。さらに役立つ情報を提供できるかどうかをお知らせください。