Problems with audio HDMI in new kernel release

[robalrr]

Hello Everyone,

I am reporting that with kernel 3.19.0-18-generic 3.19.0-18-generic the hdmi audio does not work, with the previous kernel version 3.19.0-16-generic audio works, actually with all previous versions the audio works without problem.

I am reporting this because I would not like this bug will be spread to other kernel versions.

As you can see when I execute lsmod |grep snd the hdmi module is not loaded.

$ lsmod |grep snd
snd_hda_codec_conexant 24576 1
snd_hda_codec_generic 69632 1 snd_hda_codec_conexant
snd_hda_intel 32768 3
snd_hda_controller 32768 1 snd_hda_intel
snd_hda_codec 143360 4 snd_hda_codec_conexant,snd_hda_codec_generic,sn_hda_intel,snd_hda_controller
snd_hwdep 20480 1 snd_hda_codec
snd_pcm 106496 3 snd_hda_codec,snd_hda_intel,snd_hda_controller
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_pcm,snd_seq
snd 90112 17 snd_hwdep,snd_timer,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device
soundcore 16384 2 snd,snd_hda_codec

When I tried to load the snd_hda_codec_hdmi it is loaded but the audio does not work. Whith precious kernel versions I have not load any module. Thanks for your attention.

$ cat /proc/version_signature
Ubuntu 3.19.0-18.18-generic 3.19.6

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-18-generic 3.19.0-18.18
ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
Uname: Linux 3.19.0-18-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: robalrr 1803 F.... pulseaudio
CurrentDesktop: Unity
Date: Fri May 29 12:11:34 2015
HibernationDevice: RESUME=UUID=309fa850-dd60-4067-bb77-8b7dc8860739
InstallationDate: Installed on 2015-04-08 (50 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
MachineType: LENOVO 20C50050US
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-18-generic root=UUID=f60643d7-119f-4dd7-8480-69a77f65cb8d ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.19.0-18-generic N/A
 linux-backports-modules-3.19.0-18-generic N/A
 linux-firmware 1.143.1
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/14/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: J9ET96WW (2.16 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20C50050US
dmi.board.vendor: LENOVO
dmi.board.version: 0B98401 PRO
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrJ9ET96WW(2.16):bd10/14/2014:svnLENOVO:pn20C50050US:pvrThinkPadEdgeE440:rvnLENOVO:rn20C50050US:rvr0B98401PRO:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20C50050US
dmi.product.version: ThinkPad Edge E440
dmi.sys.vendor: LENOVO

[Brad Figg (brad-figg)]

This change was made by a bot.

[Joseph Salisbury (jsalisbury)]

This looks like a duplicate of bug 1457369