> On 4 Nov 2017, at 7:29 PM, Rael Gugelmin Cunha <email address hidden> wrote:
> 
> I'm using the X-Swat PPA
> (https://launchpad.net/~ubuntu-x-swat/+archive/ubuntu/updates) with mesa
> 17.2.3-0ubuntu0~16.04.0. Should I purge it in order to receive the fix?

This fix comes from kernel side, so downgrade Mesa or not should not affect it.
> 
> -- 
> You received this bug notification because you are subscribed to linux
> in Ubuntu.
> https://bugs.launchpad.net/bugs/1709708
> 
> Title:
>  [Intel Broxton HDMI, Digital Out, HDMI] Pulseaudio detects output but
>  produces no sound on an HDMI TV until power cycled.
> 
> Status in DRI:
>  Fix Released
> Status in linux package in Ubuntu:
>  Triaged
> Status in pulseaudio package in Ubuntu:
>  Invalid
> 
> Bug description:
>  Upon bootup, the HDMI output connected to a Samsung TV shows up as an
>  output. If this output is selected and a sound test run (either using
>  the GUI or using aplay /user/share/sounds/alsa/Front_Center.wav) no
>  sound is heard. Pavumeter does however show sound coming through.
> 
>  I found that sound can be fixed by allowing the display to sleep,
>  waking it up, and then restarting pulseaudio (pulseaudio -k). After
>  that sound output through HDMI to the TV will work until rebooted.
> 
>  The fix can be succesfully scripted as follows:
> 
>  xset dpms force off
>  sleep 1
>  pulseaudio -k
> 
>  The machine is an Intel NUC6CAYH, connected to a not particularly new
>  Samsung 42" TV using an HDMI cable, running a fresh install of Ubuntu
>  16.04.
> 
>  In earlier attempts at fixing the issue I set pulseaudio to never let
>  the sound device sleep (commented out load-module module-suspend-on-
>  idle in /etc/pulse/default.pa), and also set the default sampling rate
>  to 48000 (default-sample-rate = 48000 in /etc/pulse/daemon.conf). Not
>  sure if these settings contributed to the fix, but they are not
>  sufficient on their own.
> 
>  ProblemType: Bug
>  DistroRelease: Ubuntu 16.04
>  Package: pulseaudio 1:8.0-0ubuntu3.3
>  ProcVersionSignature: Ubuntu 4.10.0-30.34~16.04.1-generic 4.10.17
>  Uname: Linux 4.10.0-30-generic x86_64
>  ApportVersion: 2.20.1-0ubuntu2.10
>  Architecture: amd64
>  Date: Wed Aug  9 21:48:39 2017
>  InstallationDate: Installed on 2017-08-06 (2 days ago)
>  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
>  SourcePackage: pulseaudio
>  Symptom: audio
>  Symptom_Card: HDA-Intel - HDA Intel PCH
>  Symptom_Jack: Digital Out, HDMI
>  Title: [, Intel Broxton HDMI, Digital Out, HDMI] Pulseaudio fails to detect card
>  UpgradeStatus: No upgrade log present (probably fresh install)
>  dmi.bios.date: 11/24/2016
>  dmi.bios.vendor: Intel Corp.
>  dmi.bios.version: AYAPLCEL.86A.0029.2016.1124.1625
>  dmi.board.name: NUC6CAYB
>  dmi.board.vendor: Intel Corporation
>  dmi.board.version: J23203-402
>  dmi.chassis.type: 3
>  dmi.modalias: dmi:bvnIntelCorp.:bvrAYAPLCEL.86A.0029.2016.1124.1625:bd11/24/2016:svn:pn:pvr:rvnIntelCorporation:rnNUC6CAYB:rvrJ23203-402:cvn:ct3:cvr:
>  modified.conffile..etc.pulse.daemon.conf: [modified]
>  modified.conffile..etc.pulse.default.pa: [modified]
>  mtime.conffile..etc.pulse.daemon.conf: 2017-08-06T22:55:35.510382
>  mtime.conffile..etc.pulse.default.pa: 2017-08-06T22:51:49.639085
> 
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