デスクトップ右上のメニューから「電源オフ/ログアウト」→「サスペンド」した後、復帰したら音が出なくなってた。
デスクトップ右上のメニューから「設定」→「サウンド」の出力のところで出力デバイスが「ダミー出力」になっていた。
alsamixer 実行してみるとちゃんと HDA Intel PCH は動いているのだが、なぜがデスクトップから見えない。
「Ubuntu サウンド ダミー出力」でググってみると
なんか、最近この手のソース示してない質悪い和訳ばかり見つかるんだけどなんで?
このスレッド見ると
他には、
これは PulseAudio のレイヤー
確認してみると、"HDA NVidia", "USB Device 0x46d:0x994" しかなくて ”HDA Intel PCH" が見当たらない。
そこで「pulseaudio ubuntu sound dummy」でググってみると
どうもこれが正解だったらしく、
デスクトップ右上のメニューから「設定」→「サウンド」の出力のところで出力デバイスが「ダミー出力」になっていた。
alsamixer 実行してみるとちゃんと HDA Intel PCH は動いているのだが、なぜがデスクトップから見えない。
「Ubuntu サウンド ダミー出力」でググってみると
- StackExchange / ask ubuntu /2018-07-26: Sound card shown as Dummy Output in Ubuntu 18.04
なんか、最近この手のソース示してない質悪い和訳ばかり見つかるんだけどなんで?
このスレッド見ると
sudo alsa force-reloadなども見かけたが、alsamixer は HDA Intel PCH 認識しているのでこのレイヤーの障害じゃないっぽい。
他には、
pacmd list-clientsでサウンドカードの一覧が得られる的な話も見かけた。
これは PulseAudio のレイヤー
確認してみると、"HDA NVidia", "USB Device 0x46d:0x994" しかなくて ”HDA Intel PCH" が見当たらない。
$ pacmd list-cards 2 card(s) available. index: 0 name: <alsa_card.pci-0000_01_00.1> driver: <module-alsa-card.c> owner module: 23 properties: alsa.card = "2" alsa.card_name = "HDA NVidia" alsa.long_card_name = "HDA NVidia at 0xdf080000 irq 17" alsa.driver_name = "snd_hda_intel" device.bus_path = "pci-0000:01:00.1" sysfs.path = "/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card2" device.bus = "pci" device.vendor.id = "10de" device.vendor.name = "NVIDIA Corporation" device.product.id = "0fba" device.product.name = "GM206 High Definition Audio Controller" device.string = "2" device.description = "GM206 High Definition Audio Controller" module-udev-detect.discovered = "1" device.icon_name = "audio-card-pci" profiles: output:hdmi-stereo: Digital Stereo (HDMI) 出力 (priority 5900, available: no) output:hdmi-surround: Digital Surround 5.1 (HDMI) 出力 (priority 800, available: no) output:hdmi-surround71: Digital Surround 7.1 (HDMI) 出力 (priority 800, available: no) output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) 出力 (priority 5700, available: no) output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) 出力 (priority 600, available: no) output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) 出力 (priority 600, available: no) output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) 出力 (priority 5700, available: no) output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) 出力 (priority 600, available: no) output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) 出力 (priority 600, available: no) output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) 出力 (priority 5700, available: no) output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) 出力 (priority 600, available: no) output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) 出力 (priority 600, available: no) off: オフ (priority 0, available: unknown) active profile: <off> ports: hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" hdmi-output-2: HDMI / DisplayPort 3 (priority 5700, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" hdmi-output-3: HDMI / DisplayPort 4 (priority 5600, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" index: 1 name: <alsa_card.usb-046d_0994_46D23700-02> driver: <module-alsa-card.c> owner module: 24 properties: alsa.card = "1" alsa.card_name = "USB Device 0x46d:0x994" alsa.long_card_name = "USB Device 0x46d:0x994 at usb-0000:00:14.0-11.1, high speed" alsa.driver_name = "snd_usb_audio" device.bus_path = "pci-0000:00:14.0-usb-0:11.1:1.2" sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-11/1-11.1/1-11.1:1.2/sound/card1" udev.id = "usb-046d_0994_46D23700-02" device.bus = "usb" device.vendor.id = "046d" device.vendor.name = "Logitech, Inc." device.product.id = "0994" device.product.name = "QuickCam Orbit/Sphere AF" device.serial = "046d_0994_46D23700" device.form_factor = "webcam" device.string = "1" device.description = "QuickCam Orbit/Sphere AF" module-udev-detect.discovered = "1" device.icon_name = "camera-web-usb" profiles: input:mono-fallback: モノ 入力 (priority 1, available: unknown) input:multichannel-input: マルチチャンネル 入力 (priority 1, available: unknown) off: オフ (priority 0, available: unknown) active profile: <input:multichannel-input> sources: alsa_input.usb-046d_0994_46D23700-02.multichannel-input/#1: QuickCam Orbit/Sphere AF マルチチャンネル ports: analog-input-mic: マイク (priority 8700, latency offset 0 usec, available: unknown) properties: device.icon_name = "audio-input-microphone" multichannel-input: マルチチャンネル入力 (priority 0, latency offset 0 usec, available: unknown) properties:
そこで「pulseaudio ubuntu sound dummy」でググってみると
- StackExchange / superuser / 2019-04-09: What to do if sound goes to dummy output
pulseaudio -k
どうもこれが正解だったらしく、
$ pacmd list-cards 4 card(s) available. index: 0 name: <alsa_card.pci-0000_01_00.1> driver: <module-alsa-card.c> owner module: 7 properties: alsa.card = "2" alsa.card_name = "HDA NVidia" alsa.long_card_name = "HDA NVidia at 0xdf080000 irq 17" alsa.driver_name = "snd_hda_intel" device.bus_path = "pci-0000:01:00.1" sysfs.path = "/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card2" device.bus = "pci" device.vendor.id = "10de" device.vendor.name = "NVIDIA Corporation" device.product.id = "0fba" device.product.name = "GM206 High Definition Audio Controller" device.string = "2" device.description = "GM206 High Definition Audio Controller" module-udev-detect.discovered = "1" device.icon_name = "audio-card-pci" profiles: output:hdmi-stereo: Digital Stereo (HDMI) 出力 (priority 5900, available: no) output:hdmi-surround: Digital Surround 5.1 (HDMI) 出力 (priority 800, available: no) output:hdmi-surround71: Digital Surround 7.1 (HDMI) 出力 (priority 800, available: no) output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) 出力 (priority 5700, available: no) output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) 出力 (priority 600, available: no) output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) 出力 (priority 600, available: no) output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) 出力 (priority 5700, available: no) output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) 出力 (priority 600, available: no) output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) 出力 (priority 600, available: no) output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) 出力 (priority 5700, available: no) output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) 出力 (priority 600, available: no) output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) 出力 (priority 600, available: no) off: オフ (priority 0, available: unknown) active profile: <off> ports: hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" hdmi-output-2: HDMI / DisplayPort 3 (priority 5700, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" hdmi-output-3: HDMI / DisplayPort 4 (priority 5600, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" index: 1 name: <alsa_card.usb-046d_0994_46D23700-02> driver: <module-alsa-card.c> owner module: 8 properties: alsa.card = "1" alsa.card_name = "USB Device 0x46d:0x994" alsa.long_card_name = "USB Device 0x46d:0x994 at usb-0000:00:14.0-11.1, high speed" alsa.driver_name = "snd_usb_audio" device.bus_path = "pci-0000:00:14.0-usb-0:11.1:1.2" sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-11/1-11.1/1-11.1:1.2/sound/card1" udev.id = "usb-046d_0994_46D23700-02" device.bus = "usb" device.vendor.id = "046d" device.vendor.name = "Logitech, Inc." device.product.id = "0994" device.product.name = "QuickCam Orbit/Sphere AF" device.serial = "046d_0994_46D23700" device.form_factor = "webcam" device.string = "1" device.description = "QuickCam Orbit/Sphere AF" module-udev-detect.discovered = "1" device.icon_name = "camera-web-usb" profiles: input:mono-fallback: モノ 入力 (priority 1, available: unknown) input:multichannel-input: マルチチャンネル 入力 (priority 1, available: unknown) off: オフ (priority 0, available: unknown) active profile: <input:multichannel-input> sources: alsa_input.usb-046d_0994_46D23700-02.multichannel-input/#0: QuickCam Orbit/Sphere AF マルチチャンネル ports: analog-input-mic: マイク (priority 8700, latency offset 0 usec, available: unknown) properties: device.icon_name = "audio-input-microphone" multichannel-input: マルチチャンネル入力 (priority 0, latency offset 0 usec, available: unknown) properties: index: 2 name: <alsa_card.usb-046d_0994_56313700-02> driver: <module-alsa-card.c> owner module: 9 properties: alsa.card = "3" alsa.card_name = "USB Device 0x46d:0x994" alsa.long_card_name = "USB Device 0x46d:0x994 at usb-0000:00:14.0-11.2, high speed" alsa.driver_name = "snd_usb_audio" device.bus_path = "pci-0000:00:14.0-usb-0:11.2:1.2" sysfs.path = "/devices/pci0000:00/0000:00:14.0/usb1/1-11/1-11.2/1-11.2:1.2/sound/card3" udev.id = "usb-046d_0994_56313700-02" device.bus = "usb" device.vendor.id = "046d" device.vendor.name = "Logitech, Inc." device.product.id = "0994" device.product.name = "QuickCam Orbit/Sphere AF" device.serial = "046d_0994_56313700" device.form_factor = "webcam" device.string = "3" device.description = "QuickCam Orbit/Sphere AF" module-udev-detect.discovered = "1" device.icon_name = "camera-web-usb" profiles: input:mono-fallback: モノ 入力 (priority 1, available: unknown) input:multichannel-input: マルチチャンネル 入力 (priority 1, available: unknown) off: オフ (priority 0, available: unknown) active profile: <input:multichannel-input> sources: alsa_input.usb-046d_0994_56313700-02.multichannel-input/#1: QuickCam Orbit/Sphere AF マルチチャンネル ports: analog-input-mic: マイク (priority 8700, latency offset 0 usec, available: unknown) properties: device.icon_name = "audio-input-microphone" multichannel-input: マルチチャンネル入力 (priority 0, latency offset 0 usec, available: unknown) properties: index: 3 name: <alsa_card.pci-0000_00_1f.3> driver: <module-alsa-card.c> owner module: 10 properties: alsa.card = "0" alsa.card_name = "HDA Intel PCH" alsa.long_card_name = "HDA Intel PCH at 0xdf520000 irq 168" 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 = "a170" device.product.name = "100 Series/C230 Series Chipset Family HD Audio Controller" device.form_factor = "internal" device.string = "0" device.description = "内部オーディオ" module-udev-detect.discovered = "1" device.icon_name = "audio-card-pci" profiles: input:analog-stereo: アナログステレオ 入力 (priority 65, available: no) output:analog-stereo: アナログステレオ 出力 (priority 6500, available: unknown) output:analog-stereo+input:analog-stereo: アナログステレオ入出力 (priority 6565, available: no) output:hdmi-stereo: Digital Stereo (HDMI) 出力 (priority 5900, available: no) output:hdmi-stereo+input:analog-stereo: Digital Stereo (HDMI) 出力 + アナログステレオ 入力 (priority 5965, available: no) output:hdmi-surround: Digital Surround 5.1 (HDMI) 出力 (priority 800, available: no) output:hdmi-surround+input:analog-stereo: Digital Surround 5.1 (HDMI) 出力 + アナログステレオ 入力 (priority 865, available: no) output:hdmi-surround71: Digital Surround 7.1 (HDMI) 出力 (priority 800, available: no) output:hdmi-surround71+input:analog-stereo: Digital Surround 7.1 (HDMI) 出力 + アナログステレオ 入力 (priority 865, available: no) output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) 出力 (priority 5700, available: unknown) output:hdmi-stereo-extra1+input:analog-stereo: Digital Stereo (HDMI 2) 出力 + アナログステレオ 入力 (priority 5765, available: no) output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) 出力 (priority 5700, available: no) output:hdmi-stereo-extra2+input:analog-stereo: Digital Stereo (HDMI 3) 出力 + アナログステレオ 入力 (priority 5765, available: no) output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) 出力 (priority 600, available: no) output:hdmi-surround-extra2+input:analog-stereo: Digital Surround 5.1 (HDMI 3) 出力 + アナログステレオ 入力 (priority 665, available: no) output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) 出力 (priority 600, available: no) output:hdmi-surround71-extra2+input:analog-stereo: Digital Surround 7.1 (HDMI 3) 出力 + アナログステレオ 入力 (priority 665, available: no) output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) 出力 (priority 5700, available: no) output:hdmi-stereo-extra3+input:analog-stereo: Digital Stereo (HDMI 4) 出力 + アナログステレオ 入力 (priority 5765, available: no) output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) 出力 (priority 600, available: no) output:hdmi-surround-extra3+input:analog-stereo: Digital Surround 5.1 (HDMI 4) 出力 + アナログステレオ 入力 (priority 665, available: no) output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) 出力 (priority 600, available: no) output:hdmi-surround71-extra3+input:analog-stereo: Digital Surround 7.1 (HDMI 4) 出力 + アナログステレオ 入力 (priority 665, available: no) output:hdmi-stereo-extra4: Digital Stereo (HDMI 5) 出力 (priority 5700, available: no) output:hdmi-stereo-extra4+input:analog-stereo: Digital Stereo (HDMI 5) 出力 + アナログステレオ 入力 (priority 5765, available: no) output:hdmi-surround-extra4: Digital Surround 5.1 (HDMI 5) 出力 (priority 600, available: no) output:hdmi-surround-extra4+input:analog-stereo: Digital Surround 5.1 (HDMI 5) 出力 + アナログステレオ 入力 (priority 665, available: no) output:hdmi-surround71-extra4: Digital Surround 7.1 (HDMI 5) 出力 (priority 600, available: no) output:hdmi-surround71-extra4+input:analog-stereo: Digital Surround 7.1 (HDMI 5) 出力 + アナログステレオ 入力 (priority 665, available: no) off: オフ (priority 0, available: unknown) active profile: <output:hdmi-stereo-extra1> sinks: alsa_output.pci-0000_00_1f.3.hdmi-stereo-extra1/#0: 内部オーディオ Digital Stereo (HDMI 2) sources: alsa_output.pci-0000_00_1f.3.hdmi-stereo-extra1.monitor/#2: Monitor of 内部オーディオ Digital Stereo (HDMI 2) ports: analog-input-front-mic: フロントマイクロフォン (priority 8500, latency offset 0 usec, available: no) properties: device.icon_name = "audio-input-microphone" analog-input-rear-mic: リアマイクロフォン (priority 8200, latency offset 0 usec, available: no) properties: device.icon_name = "audio-input-microphone" analog-input-linein: ラインイン (priority 8100, latency offset 0 usec, available: no) properties: analog-output-lineout: ライン出力 (priority 9000, latency offset 0 usec, available: yes) properties: analog-output-headphones: アナログヘッドフォン (priority 9900, latency offset 0 usec, available: no) properties: device.icon_name = "audio-headphones" hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: yes) properties: device.icon_name = "video-display" device.product.name = "PLB2403WS" hdmi-output-2: HDMI / DisplayPort 3 (priority 5700, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" hdmi-output-3: HDMI / DisplayPort 4 (priority 5600, latency offset 0 usec, available: no) properties: device.icon_name = "video-display" hdmi-output-4: HDMI / DisplayPort 5 (priority 5500, latency offset 0 usec, available: no) properties: device.icon_name = "video-display"のように、"HDA Intel PCH" が復活し、「設定」→「サウンド」の出力にある出力デバイスにも「HDMI/DisplayPort2 - 内部オーディオ」が表示され、サウンドが復帰した。
タグ
コメントをかく