Can confirm this bug. Sound via HDMI worked in 14.04 and 14.10 but not
in 15.04. Pavucontrol shows in the configuration tab a long list of HDMI
outputs claiming all are "unplugged" (compare attached screenshot).
Previous Xubuntus only showed a single HDMI output that worked.
Output from "pacmd list-sinks | grep -E 'index:|name:' "
index: 1
name: <alsa_output.pci-0000_00_14.2.analog-stereo>
* index: 5
name: <alsa_output.pci-0000_01_00.1.hdmi-stereo>
** Attachment added: "pavucontrol_hdmi.jpg"
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1447767/+attachment/4384861/+files/pavucontrol_hdmi.jpg
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Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1447767
Title:
[XPS 13 9343, Intel Broadwell HDMI, Digital Out, HDMI] No sound at all
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
I installed Ubuntu 15.04 64 bit (desktop editition) on a DELL XPS 13
notebook (model 9343) and I have no sound at all. Before installing
Ubuntu I upgraded bios to A03.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
Uname: Linux 3.19.0-15-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: cribari 1733 F.... pulseaudio
CurrentDesktop: Unity
Date: Thu Apr 23 15:46:30 2015
InstallationDate: Installed on 2015-04-23 (0 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:HDMI failed
Symptom_Card: Built-in Audio - HDA Intel HDMI
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: cribari 1733 F.... pulseaudio
Symptom_Jack: Digital Out, HDMI
Symptom_Type: No sound at all
Title: [XPS 13 9343, Intel Broadwell HDMI, Digital Out, HDMI] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/25/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A03
dmi.board.name: 0310JH
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA03:bd03/25/2015:svnDellInc.:pnXPS139343:pvr01:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: XPS 13 9343
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
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