This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1805527
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1805527
Title:
[System Product Name, ATI R6xx HDMI, Digital Out, HDMI] Sound is
distorted (as of a few weeks ago)
Status in linux package in Ubuntu:
Incomplete
Bug description:
I use audio via DisplayPort. Until a few weeks ago, I got good
quality audio.
Now, I get really bad 8-bit-ish distorted audio.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-38.41-generic 4.15.18
Uname: Linux 4.15.0-38-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: mikel 2276 F.... pulseaudio
/dev/snd/pcmC1D3p: mikel 2276 F...m pulseaudio
/dev/snd/controlC1: mikel 2276 F.... pulseaudio
CurrentDesktop: XFCE
Date: Tue Nov 27 17:18:56 2018
InstallationDate: Installed on 2015-10-05 (1149 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:HDMI failed
Symptom_Card: Cape Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series] -
HDA ATI HDMI
Symptom_Jack: Digital Out, HDMI
Symptom_Type: Digital clip or distortion, or "overdriven" sound
Title: [System Product Name, ATI R6xx HDMI, Digital Out, HDMI] Sound is
distorted
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/21/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0703
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8Z68-V LX
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0703:bd10/21/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8Z68-VLX:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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