Public bug reported:
No sound on brand new HP ProBook 470 G3 after installing Ubuntu 14.04 on
headphones or internal speakers.
Connecting a USB headphone and microphone both work, though.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-39.44~14.04.1-generic 3.19.8-ckt9
Uname: Linux 3.19.0-39-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ronald 2199 F.... pulseaudio
ronald 2513 F.... alsamixer
CurrentDesktop: Unity
Date: Sat Dec 12 19:36:01 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-12-07 (5 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_DevicesInUse:
Error: command ['pkexec', 'fuser', '-v', '/dev/snd/by-path',
'/dev/snd/hwC0D2', '/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D3p',
'/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code
127: Error executing command as another user: Not authorized
This incident has been reported.
Symptom_Jack: Digital Out, HDMI
Symptom_Type: No sound at all
Title: [HP ProBook 470 G3, Intel Skylake HDMI, Digital Out, HDMI] No sound at
all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/30/2015
dmi.bios.vendor: HP
dmi.bios.version: N78 Ver. 01.02
dmi.board.name: 8102
dmi.board.vendor: HP
dmi.board.version: KBC Version 16.1F
dmi.chassis.asset.tag: 5CD54286XY
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.modalias:
dmi:bvnHP:bvrN78Ver.01.02:bd09/30/2015:svnHP:pnHPProBook470G3:pvr:rvnHP:rn8102:rvrKBCVersion16.1F:cvnHP:ct10:cvr:
dmi.product.name: HP ProBook 470 G3
dmi.sys.vendor: HP
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1525554
Title:
[HP ProBook 470 G3, Intel Skylake HDMI, Digital Out, HDMI] No sound at
all
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