Public bug reported:
I have two 3mm audio jacks (green) on my computer. One in the front
(attached to the case) and another on the back (attached to the mother
board). I have headphone connected to the front, and an amp that I've
been using for a while connected to the back. I dual boot Windows 8.1
and both jacks work when I'm on Windows. However, on Ubuntu when I open
the sound options it seems to only recognize the headphones. Despite
showing two devices, both seem to control the headphones. The amp works,
but only when I disconnect it from the back and connect it to the front
port.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10
Uname: Linux 3.16.0-38-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Jun 5 15:33:16 2015
InstallationDate: Installed on 2015-05-10 (26 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Green Line Out, Rear
Symptom_Type: Only some of outputs are working
Title: [MS-7759, Realtek ALC892, Green Line Out, Rear] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/07/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.7
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z77MA-G45 (MS-7759)
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.:bvrV1.7:bd11/07/2012:svnMSI:pnMS-7759:pvr1.0:rvnMSI:rnZ77MA-G45(MS-7759):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.name: MS-7759
dmi.product.version: 1.0
dmi.sys.vendor: MSI
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1462545
Title:
[MS-7759, Realtek ALC892, Green Line Out, Rear] Playback problem
Status in alsa-driver package in Ubuntu:
New
Bug description:
I have two 3mm audio jacks (green) on my computer. One in the front
(attached to the case) and another on the back (attached to the mother
board). I have headphone connected to the front, and an amp that I've
been using for a while connected to the back. I dual boot Windows 8.1
and both jacks work when I'm on Windows. However, on Ubuntu when I
open the sound options it seems to only recognize the headphones.
Despite showing two devices, both seem to control the headphones. The
amp works, but only when I disconnect it from the back and connect it
to the front port.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10
Uname: Linux 3.16.0-38-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Jun 5 15:33:16 2015
InstallationDate: Installed on 2015-05-10 (26 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64
(20150218.1)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Green Line Out, Rear
Symptom_Type: Only some of outputs are working
Title: [MS-7759, Realtek ALC892, Green Line Out, Rear] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/07/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: V1.7
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z77MA-G45 (MS-7759)
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.:bvrV1.7:bd11/07/2012:svnMSI:pnMS-7759:pvr1.0:rvnMSI:rnZ77MA-G45(MS-7759):rvr1.0:cvnMSI:ct3:cvr1.0:
dmi.product.name: MS-7759
dmi.product.version: 1.0
dmi.sys.vendor: MSI
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