[Expired for alsa-driver (Ubuntu) because there has been no activity for
60 days.]
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/975135
Title:
[P8B WS, Realtek ALC892, Black Line Out, Rear] fails after a while
(distortions after seek of streaming media)
Status in alsa-driver package in Ubuntu:
Expired
Bug description:
Some "unusual" sound usage patterns like seeking streaming media get the
driver into a distorted state, where high-frequency chirps are added to all
sound played.
Seen on natty & precise (not tested on others), on natty modprobe-cycled the
driver to workaround the issue, on precise "pasuspender alsactl init" seems to
be enough to get the driver play sanely again.
Easiest way so far to reproduce this seems to be running speech-
dispatcher (started by launching mumble & quitting it) and firefox
with html5 youtube at same time, playing some video with speech-only
content where distortions are easiest to notice and seeking that
forward and backward 10-20 times. Might be related to concurrently
running applications with different sampling rates and making them
interrupt playback at "inconvenient" times from the driver's point of
view.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: alsa-base 1.0.25+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Uname: Linux 3.2.0-21-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 2.0-0ubuntu2
Architecture: amd64
Date: Fri Apr 6 15:31:11 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64
(20120112)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_IE:en
TERM=xterm
LANG=en_IE.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Black Line Out, Rear
Symptom_Type: Sound works for a while, then breaks
Title: [System Product Name, Realtek ALC892, Black Line Out, Rear] fails
after a while
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/25/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 0704
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: P8B WS
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr0704:bd07/25/2011:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP8BWS:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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