[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1552504
Title:
clicking noise on acer 131t-c1yf
Status in linux package in Ubuntu:
Expired
Bug description:
My machine is solid state.
I updated the intel graphics driver
I update a few days ago via ubuntu udpater
There is a subtle clicking noise coming from the left speaker.
The mint 17 usb makes the noise too and then warns me that that the graphics
gpu will not be used and then the clicking stops.
ubuntu makes the noise.
Lubuntu 16.04 does not make the noise, until I installed pulseaudio.
before that, it would make the noise if I installed and ran, metacity and or
audacity.
Windows 10 does not make the noise.
I saw some comments on askubuntu.com
I think it is a conflict with the nouveau driver not loading properly. This
is why the soundcard and graphics affect the problem
Usually, this bug is caused by alsa automute (removed) and power-save for the
sound card. I was unable to set the settings so that the file changes would
"stick" the kernel keeps overwriting the files even if I mark them as nobody
can change.
I posted the links in the comments
I suspect this is a CherryView Bug.
This bug has been reported on ubuntu forums and ask ubuntu and no responses.
This bug still exists for Lubuntu 16.04 with the latest kernel 4.6-rc6
The bios has be downgraded to 1.09 from 1.12 since it did not fix the problem.
Bhikkhu Subhuti
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-27-generic 4.2.0-27.32
ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: bksubhuti 1067 F.... pulseaudio
CurrentDesktop: Unity
Date: Fri Mar 4 08:28:59 2016
HibernationDevice: RESUME=UUID=709ea197-e6fb-428b-9c1f-4b258452b10c
InstallationDate: Installed on 2016-02-04 (29 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: Acer Aspire R3-131T
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-27-generic.efi.signed
root=UUID=ec51921a-2804-40c5-96f4-9597628656cb ro noprompt persistent quiet
splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-27-generic N/A
linux-backports-modules-4.2.0-27-generic N/A
linux-firmware 1.149.3
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/21/2015
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.09
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Aspire R3-131T
dmi.board.vendor: Acer
dmi.board.version: V1.09
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V1.09
dmi.modalias:
dmi:bvnInsydeCorp.:bvrV1.09:bd07/21/2015:svnAcer:pnAspireR3-131T:pvrV1.09:rvnAcer:rnAspireR3-131T:rvrV1.09:cvnAcer:ct10:cvrV1.09:
dmi.product.name: Aspire R3-131T
dmi.product.version: V1.09
dmi.sys.vendor: Acer
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