Public bug reported:
After I connect the docking station and switch to it, everthing works ok
with the HDMI device of my external monitor connected to it.
But after disconnecting sound stops working until I open the sound
preferences and select the only sound device, i.e. the HDMI sound
remains selected after the device is no longer there.
While I'm guessing it might be convenient, in the absence of an existing
card, to keep it selected so that when I plug back the docking station
the sound is restored, sound should keep playing when the selected
device disappears.
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
Uname: Linux 4.12.8-041208-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC1D0c: sgala 3744 F...m pulseaudio
/dev/snd/pcmC1D0p: sgala 3744 F...m pulseaudio
/dev/snd/controlC1: sgala 3744 F.... pulseaudio
/dev/snd/controlC0: sgala 3744 F.... pulseaudio
CurrentDesktop: GNOME
Date: Thu Aug 31 09:18:13 2017
InstallationDate: Installed on 2016-11-13 (290 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Title: PCI/internal sound card not detected
UpgradeStatus: Upgraded to zesty on 2017-04-23 (129 days ago)
dmi.bios.date: 03/17/2016
dmi.bios.vendor: TOSHIBA
dmi.bios.version: Version 6.20
dmi.board.asset.tag: 0000000000
dmi.board.name: PORTEGE Z30-B
dmi.board.vendor: TOSHIBA
dmi.board.version: Version A0
dmi.chassis.asset.tag: 0000000000
dmi.chassis.type: 10
dmi.chassis.vendor: TOSHIBA
dmi.chassis.version: Version 1.0
dmi.modalias:
dmi:bvnTOSHIBA:bvrVersion6.20:bd03/17/2016:svnTOSHIBA:pnPORTEGEZ30-B:pvrPT253E-01001MCE:rvnTOSHIBA:rnPORTEGEZ30-B:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0:
dmi.product.family: 0000000000
dmi.product.name: PORTEGE Z30-B
dmi.product.version: PT253E-01001MCE
dmi.sys.vendor: TOSHIBA
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug zesty
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https://bugs.launchpad.net/bugs/1714180
Title:
PCI/internal sound card disconnected is still selected and thus sound
is missing
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