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Message #03281
[Bug 1512129] Re: Headphones not detected at startup
Found the problem seems to be in alsamixer: updated description.
** Also affects: alsa-utils (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
The headphones are not detected if they are plugged in before the system
starts up. To get sound out of my headphones, I need to unplug the
headphones and plug them back in again. After this, sound is sent to the
headphones.
Reproducible: always
Steps to reproduce:
1. Plug in headphones
2. Switch on computer, log into Kubuntu
3. Attempt to play sound in any application, no sound produced.
4. Unplug and replug headphones
5. Sound works
Expected behaviour:
At step 3, sound should be output through the headphones.
+
+ The problem seems to be in alsamixer: when starting Kubuntu the
+ headphone volume is set to zero and the headphones are muted. Re-
+ plugging the headphones will unmute the headphones in alsamixer and set
+ to an audible volume.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: ubuntu-release-upgrader-core 1:15.10.14.1
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Sun Nov 1 19:43:09 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-10-31 (1 days ago)
InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: dist-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/bugs/1512129
Title:
Headphones not detected at startup
Status in alsa-utils package in Ubuntu:
New
Status in kubuntu-meta package in Ubuntu:
New
Bug description:
The headphones are not detected if they are plugged in before the
system starts up. To get sound out of my headphones, I need to unplug
the headphones and plug them back in again. After this, sound is sent
to the headphones.
Reproducible: always
Steps to reproduce:
1. Plug in headphones
2. Switch on computer, log into Kubuntu
3. Attempt to play sound in any application, no sound produced.
4. Unplug and replug headphones
5. Sound works
Expected behaviour:
At step 3, sound should be output through the headphones.
The problem seems to be in alsamixer: when starting Kubuntu the
headphone volume is set to zero and the headphones are muted. Re-
plugging the headphones will unmute the headphones in alsamixer and
set to an audible volume.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: ubuntu-release-upgrader-core 1:15.10.14.1
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu4
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: KDE
Date: Sun Nov 1 19:43:09 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-10-31 (1 days ago)
InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: dist-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)
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