Saya baru saja menginstal Ubuntu 16.04 LTE pada mesin Lenovo E470 baru. Tidak ada perangkat suara yang terdeteksi, maksud saya:
Dan juga, tidak ada perangkat input yang terdeteksi. Beberapa informasi yang mungkin bermanfaat:
aplay -l
pengembalian
**** 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
Bagaimanapun, perangkat audio ada: sudo lspci -v
mengembalikan (antara lain)
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
Saya mencoba untuk memaksa memuat ulang alsa: sudo alsa force-reload
kembali
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.
Daftar tenggelam di pacmd: 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>
Saya harus menyebutkan bahwa saya belum dapat menghasilkan suara pada mesin ini sebelumnya.
Terima kasih sebelumnya atas waktu Anda, dan tolong beri tahu saya jika saya bisa memberikan informasi yang lebih berguna.