Thank you for reporting this bug to Ubuntu. Ubuntu 15.04 (vivid) reached end-of-life on February 4, 2016.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. ** Changed in: pulseaudio (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to pulseaudio in Ubuntu. https://bugs.launchpad.net/bugs/1451080 Title: [UX31LAA, Conexant CX20751/2, Speaker, Internal] Pulseaudio fails to detect card Status in pulseaudio package in Ubuntu: Incomplete Bug description: No output devices recognized in pulseaudio after updates installation. More details: $ lsb_release -d Description: Ubuntu 15.04 $ uname -a Linux cgn 3.19.0-15-generic #15-Ubuntu SMP Thu Apr 16 23:32:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux $ udevd --version 219 $ lspci -nn|egrep 'ultimedia|udio|sound|AC97|ac97|EMU' 00:03.0 Audio device [0403]: Intel Corporation Haswell-ULT HD Audio Controller [8086:0a0c] (rev 09) 00:1b.0 Audio device [0403]: Intel Corporation 8 Series HD Audio Controller [8086:9c20] (rev 04) $ cat /proc/asound/cards 0 [HDMI ]: HDA-Intel - HDA Intel HDMI HDA Intel HDMI at 0xf7d1c000 irq 48 1 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at 0xf7d18000 irq 46 $ cat /proc/asound/pcm 00-03: HDMI 0 : HDMI 0 : playback 1 00-07: HDMI 1 : HDMI 1 : playback 1 01-00: CX20751/2 Analog : CX20751/2 Analog : playback 1 : capture 1 $ cat /proc/asound/car*/co* | grep Codec Codec: Intel Haswell HDMI Codec: Conexant CX20751/2 $ aplay -l **** List of PLAYBACK Hardware Devices **** card 0: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 0: HDMI [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: PCH [HDA Intel PCH], device 0: CX20751/2 Analog [CX20751/2 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 $ arecord -l List of CAPTURE Hardware Devices **** card 1: PCH [HDA Intel PCH], device 0: CX20751/2 Analog [CX20751/2 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 $ aplay -L default Playback/recording through the PulseAudio sound server null Discard all samples (playback) or generate zero samples (capture) pulse PulseAudio Sound Server hdmi:CARD=HDMI,DEV=0 HDA Intel HDMI, HDMI 0 HDMI Audio Output hdmi:CARD=HDMI,DEV=1 HDA Intel HDMI, HDMI 1 HDMI Audio Output dmix:CARD=HDMI,DEV=3 HDA Intel HDMI, HDMI 0 Direct sample mixing device dmix:CARD=HDMI,DEV=7 HDA Intel HDMI, HDMI 1 Direct sample mixing device dsnoop:CARD=HDMI,DEV=3 HDA Intel HDMI, HDMI 0 Direct sample snooping device dsnoop:CARD=HDMI,DEV=7 HDA Intel HDMI, HDMI 1 Direct sample snooping device hw:CARD=HDMI,DEV=3 HDA Intel HDMI, HDMI 0 Direct hardware device without any conversions hw:CARD=HDMI,DEV=7 HDA Intel HDMI, HDMI 1 Direct hardware device without any conversions plughw:CARD=HDMI,DEV=3 HDA Intel HDMI, HDMI 0 Hardware device with all software conversions plughw:CARD=HDMI,DEV=7 HDA Intel HDMI, HDMI 1 Hardware device with all software conversions sysdefault:CARD=PCH HDA Intel PCH, CX20751/2 Analog Default Audio Device front:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog Front speakers surround21:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog 2.1 Surround output to Front and Subwoofer speakers surround40:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog 4.0 Surround output to Front and Rear speakers surround41:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog 4.1 Surround output to Front, Rear and Subwoofer speakers surround50:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog 5.0 Surround output to Front, Center and Rear speakers surround51:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog 5.1 Surround output to Front, Center, Rear and Subwoofer speakers surround71:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog 7.1 Surround output to Front, Center, Side, Rear and Woofer speakers dmix:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog Direct sample mixing device dsnoop:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog Direct sample snooping device hw:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog Direct hardware device without any conversions plughw:CARD=PCH,DEV=0 HDA Intel PCH, CX20751/2 Analog Hardware device with all software conversions $ udevadm info -qall -p /sys/class/sound/card0 P: /devices/pci0000:00/0000:00:03.0/sound/card0 E: DEVPATH=/devices/pci0000:00/0000:00:03.0/sound/card0 E: ID_BUS=pci E: ID_FOR_SEAT=sound-pci-0000_00_03_0 E: ID_MODEL_FROM_DATABASE=Haswell-ULT HD Audio Controller E: ID_MODEL_ID=0x0a0c E: ID_PATH=pci-0000:00:03.0 E: ID_PATH_TAG=pci-0000_00_03_0 E: ID_PCI_CLASS_FROM_DATABASE=Multimedia controller E: ID_PCI_SUBCLASS_FROM_DATABASE=Audio device E: ID_VENDOR_FROM_DATABASE=Intel Corporation E: ID_VENDOR_ID=0x8086 E: SOUND_FORM_FACTOR=internal E: SOUND_INITIALIZED=1 E: SUBSYSTEM=sound E: SYSTEMD_WANTS=sound.target E: TAGS=:seat:systemd: E: USEC_INITIALIZED=96013 $ udevadm info -qall -p /sys/class/sound/card1 P: /devices/pci0000:00/0000:00:1b.0/sound/card1 E: DEVPATH=/devices/pci0000:00/0000:00:1b.0/sound/card1 E: ID_BUS=pci E: ID_FOR_SEAT=sound-pci-0000_00_1b_0 E: ID_MODEL_FROM_DATABASE=8 Series HD Audio Controller E: ID_MODEL_ID=0x9c20 E: ID_PATH=pci-0000:00:1b.0 E: ID_PATH_TAG=pci-0000_00_1b_0 E: ID_PCI_CLASS_FROM_DATABASE=Multimedia controller E: ID_PCI_SUBCLASS_FROM_DATABASE=Audio device E: ID_VENDOR_FROM_DATABASE=Intel Corporation E: ID_VENDOR_ID=0x8086 E: SOUND_FORM_FACTOR=internal E: SOUND_INITIALIZED=1 E: SUBSYSTEM=sound E: SYSTEMD_WANTS=sound.target E: TAGS=:seat:systemd: E: USEC_INITIALIZED=84536 $ dmesg | grep -i hda [ 2.381414] sound hdaudioC1D0: CX20751/2: BIOS auto-probing. [ 2.381715] sound hdaudioC1D0: autoconfig: line_outs=1 (0x17/0x0/0x0/0x0/0x0) type:speaker [ 2.381718] sound hdaudioC1D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) [ 2.381720] sound hdaudioC1D0: hp_outs=1 (0x16/0x0/0x0/0x0/0x0) [ 2.381722] sound hdaudioC1D0: mono: mono_out=0x0 [ 2.381724] sound hdaudioC1D0: inputs: [ 2.381726] sound hdaudioC1D0: Internal Mic=0x1a [ 2.381728] sound hdaudioC1D0: Mic=0x19 [ 2.382326] sound hdaudioC1D0: Enable sync_write for stable communication [ 2.384765] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card1/input12 [ 2.384830] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card1/input13 [ 2.566072] input: HDA Intel HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:03.0/sound/card0/input18 [ 2.566151] input: HDA Intel HDMI HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:03.0/sound/card0/input19 $ pacmd list-cards 1 card(s) available. index: 0 name: driver: owner module: 6 properties: alsa.card = "0" alsa.card_name = "HDA Intel HDMI" alsa.long_card_name = "HDA Intel HDMI at 0xf7d1c000 irq 48" alsa.driver_name = "snd_hda_intel" device.bus_path = "pci-0000:00:03.0" sysfs.path = "/devices/pci0000:00/0000:00:03.0/sound/card0" device.bus = "pci" device.vendor.id = "8086" device.vendor.name = "Intel Corporation" device.product.id = "0a0c" device.product.name = "Haswell-ULT HD Audio Controller" device.form_factor = "internal" device.string = "0" device.description = "Built-in Audio" module-udev-detect.discovered = "1" device.icon_name = "audio-card-pci" profiles: output:hdmi-stereo: Digital Stereo (HDMI) Output (priority 5400, available: unknown) output:hdmi-surround: Digital Surround 5.1 (HDMI) Output (priority 300, available: unknown) output:hdmi-surround71: Digital Surround 7.1 (HDMI) Output (priority 300, available: unknown) output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (priority 5200, available: unknown) output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) Output (priority 100, available: unknown) output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) Output (priority 100, available: unknown) off: Off (priority 0, available: unknown) active profile: sinks: alsa_output.pci-0000_00_03.0.hdmi-stereo/#0: Built-in Audio Digital Stereo (HDMI) sources: alsa_output.pci-0000_00_03.0.hdmi-stereo.monitor/#0: Monitor of Built-in Audio Digital Stereo (HDMI) 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" $ pacmd list-sinks 1 sink(s) available. * index: 0 name: driver: flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY state: SUSPENDED suspend cause: IDLE priority: 9950 volume: front-left: 65536 / 100% / 0.00 dB, front-right: 65536 / 100% / 0.00 dB balance 0.00 base volume: 65536 / 100% / 0.00 dB volume steps: 65537 muted: no current latency: 0.00 ms max request: 0 KiB max rewind: 0 KiB monitor source: 0 sample spec: s16le 2ch 44100Hz channel map: front-left,front-right Stereo used by: 0 linked by: 0 configured latency: 0.00 ms; range is 0.50 .. 371.52 ms card: 0 module: 6 properties: alsa.resolution_bits = "16" device.api = "alsa" device.class = "sound" alsa.class = "generic" alsa.subclass = "generic-mix" alsa.name = "HDMI 1" alsa.id = "HDMI 1" alsa.subdevice = "0" alsa.subdevice_name = "subdevice #0" alsa.device = "7" alsa.card = "0" alsa.card_name = "HDA Intel HDMI" alsa.long_card_name = "HDA Intel HDMI at 0xf7d1c000 irq 48" alsa.driver_name = "snd_hda_intel" device.bus_path = "pci-0000:00:03.0" sysfs.path = "/devices/pci0000:00/0000:00:03.0/sound/card0" device.bus = "pci" device.vendor.id = "8086" device.vendor.name = "Intel Corporation" device.product.id = "0a0c" device.product.name = "Haswell-ULT HD Audio Controller" 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 Haswell HDMI" alsa.components = "HDA:80862807,80860101,00100000" 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: $ speaker-test -c 2 -D default -t wav speaker-test 1.0.28 Playback device is default Stream parameters are 48000Hz, S16_LE, 2 channels WAV file(s) Rate set to 48000Hz (requested 48000Hz) Buffer size range from 96 to 1048576 Period size range from 32 to 349526 Using max buffer size 1048576 Periods = 4 was set period_size = 262144 was set buffer_size = 1048576 0 - Front Left 1 - Front Right ^C [ no sound ] $ sudo aplay -Ddefault -c 2 /usr/share/sounds/alsa/Front_Center.wav [ no sound ] ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: pulseaudio 1:6.0-0ubuntu6 ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3 Uname: Linux 3.19.0-15-generic x86_64 ApportVersion: 2.17.2-0ubuntu1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jchereshnovsky 8474 F.... pulseaudio CurrentDesktop: Unity Date: Sat May 2 22:49:23 2015 InstallationDate: Installed on 2014-12-12 (140 days ago) InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1) SourcePackage: pulseaudio Symptom: audio Symptom_Card: HDA-Intel - HDA Intel PCH Symptom_Jack: Speaker, Internal Title: [UX31LAA, Conexant CX20751/2, Speaker, Internal] Pulseaudio fails to detect card UpgradeStatus: Upgraded to vivid on 2015-04-25 (7 days ago) dmi.bios.date: 06/23/2014 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: UX31LAA.211 dmi.board.asset.tag: ATN12345678901234567 dmi.board.name: UX31LAA dmi.board.vendor: ASUSTeK COMPUTER INC. dmi.board.version: 1.0 dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: ASUSTeK COMPUTER INC. dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX31LAA.211:bd06/23/2014:svnASUSTeKCOMPUTERINC.:pnUX31LAA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX31LAA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0: dmi.product.name: UX31LAA dmi.product.version: 1.0 dmi.sys.vendor: ASUSTeK COMPUTER INC. 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