[P35V2, Realtek ALC282, Speaker, Internal] No sound at all after laptop suspended

Bug #1366241 reported by Cameron Hart on 2014-09-06
This bug affects 10 people
Affects Status Importance Assigned to Milestone
alsa-driver (Ubuntu)

Bug Description

Speaker audio no longer works after suspend and resume on my laptop. The sound icon in the desktop sound settings does not appear muted and toggling the mute setting does not restore the speaker audio. *However* I can restore speaker audio by muting the audio and then increasing the audio volume from a muted state. This works when using the audio function keys on my laptop, I haven't tried achieving the same thing through the GUI. Strangely simply toggling mute doesn't restore speaker audio, neither does just fiddling with volume, I have to increase the volume from a muted state.

Additionally headphone audio doesn't appear to have any problems, it continues to work after a suspend.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.13.0-35.62-generic
Uname: Linux 3.13.0-35-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
 /dev/snd/controlC1: cam 2374 F.... pulseaudio
 /dev/snd/pcmC1D0c: cam 2374 F...m pulseaudio
 /dev/snd/controlC0: cam 2374 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Sep 6 11:57:12 2014
EcryptfsInUse: Yes
InstallationDate: Installed on 2014-08-30 (6 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Built-in Audio - HDA Intel PCH
 /dev/snd/controlC1: cam 2374 F.... pulseaudio
 /dev/snd/pcmC1D0c: cam 2374 F...m pulseaudio
 /dev/snd/controlC0: cam 2374 F.... pulseaudio
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [P35V2, Realtek ALC282, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/14/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: FB0A
dmi.board.asset.tag: NONE
dmi.board.name: P35V2
dmi.board.vendor: GIGABYTE
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 10
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrFB0A:bd07/14/2014:svnGIGABYTE:pnP35V2:pvr1.0:rvnGIGABYTE:rnP35V2:rvr1.0:cvnToBeFilledByO.E.M.:ct10:cvrToBeFilledByO.E.M.:
dmi.product.name: P35V2
dmi.product.version: 1.0
dmi.sys.vendor: GIGABYTE

Cameron Hart (bitshifternz) wrote :
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in alsa-driver (Ubuntu):
status: New → Confirmed

I have an XMG C504 which is the same as the P35V2 rebranded, see http://askubuntu.com/questions/517578/no-sound-after-suspend-standby

Zack (zackptg5) wrote :

I have the Gigabyte P35w v2 as well and this bug also effects me. It only effects the speakers/subwoofer. Everything else is uneffected.

This occurs on first boot as well as resuming from sleep

Zack (zackptg5) wrote :

Also, the volume change workaround only works with the keyboard. It does not work with the GUI

kevin (kpl2773) wrote :

Same exact symptoms on my gigabyte P35x v4. I fiddled around with audio settings forever before I found (from this thread) that I could mute and raise the volume from there. At least it is workable for now but I subscribed to this bug.

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