Public bug reported:
It seems like pulseaudio is picking the wrong audio sink as a default in
different scenarios.
On my computer I have the default onboard Intel HDA audio as well as a
USB headset. On the network, there is one pulse instance advertising
itself.
I always set the onboard audio as the default audio sink. However, after
every reboot or resume or `pulseaudio -k`, the wrong sink is picked (and
the one I set previously is *not* picked).
When I enable discovery of remote pulse instances, sometimes the one on
my network is picked as default, but sometimes my headset is picked
instead of the onboard sink. Then again, if I disable discovery
sometimes the onboard sink gets picked as default. There seems to be no
clear pattern on when it selects what.
I have even entered the following in /etc/pulse/default.pa:
set-default-sink alsa_output.pci-0000_00_1b.0.analog-stereo
set-default-source
alsa_input.usb-SteelSeries_SteelSeries_Arctis_7-00.analog-mono
But this doesn't have any effect at all.
I also noticed that *sometimes*, pulse updates the file at
`~/.config/pulse/f8a78acf499a402aa80f90af9ef5c15c-default-sink` to point
to the correct audio sink that I selected in `pavucontrol`, but not
always. Even if I write to that file manually to select a default sink,
the file gets overwritten by pulse on the next start with the default
sink that it chose.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: pulseaudio 1:11.1-1ubuntu7
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia_modeset
nvidia
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: devkid 3487 F.... pulseaudio
/dev/snd/controlC2: devkid 3487 F.... pulseaudio
/dev/snd/pcmC0D0p: devkid 3487 F...m pulseaudio
/dev/snd/controlC0: devkid 3487 F.... pulseaudio
CurrentDesktop: MATE
Date: Sat May 26 17:07:55 2018
ExecutablePath: /usr/bin/pulseaudio
SourcePackage: pulseaudio
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/07/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V2.13
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z77A-G43 (MS-7758)
dmi.board.vendor: MSI
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: MSI
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrV2.13:bd03/07/2014:svnMSI:pnMS-7758:pvr1.0:rvnMSI:rnZ77A-G43(MS-7758):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: MS-7758
dmi.product.version: 1.0
dmi.sys.vendor: MSI
modified.conffile..etc.pulse.default.pa: [modified]
mtime.conffile..etc.pulse.default.pa: 2018-05-26T17:01:12.271701
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1773549
Title:
Pulse audio does not remember default sink
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