Sounds weird. As far as I know the radeon is graphics card driver. The problem with the sound is snd-hda-intel driver related....
Would it be possible that it is more related to the power management that regulate the increased heat produced by the Radeon card (when is) controlled by the proprietary card driver? On 09/03/14 01:59, jovmilan wrote: > I'm had the similar problem with my Toshiba L750D - with the same sound > card on Kubuntu 14.04. Then I switched to Fedora Core 20 - and it worked > OK with the open source radeon driver. As soon as I installed > proprietary graphics card AMD driver, the problem reoccurred. > -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1038479 Title: [Satellite L755, Conexant CX20585, Speaker, Internal] fails after a while Status in “alsa-driver” package in Ubuntu: Confirmed Bug description: Restart will fix the issue, but sound always quits from internal speaker. Headphones work always. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24 Uname: Linux 3.2.0-29-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. ApportVersion: 2.0.1-0ubuntu12 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: bernie 1838 F.... pulseaudio Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xc0600000 irq 44' Mixer name : 'Intel CougarPoint HDMI' Components : 'HDA:14f15069,1179fc50,00100302 HDA:80862805,1179fc50,00100000' Controls : 24 Simple ctrls : 11 Date: Sat Aug 18 11:18:34 2012 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) PackageArchitecture: all ProcEnviron: LANGUAGE=en_US:en PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_Jack: Speaker, Internal Symptom_Type: Sound works for a while, then breaks Title: [Satellite L755, Conexant CX20585, Speaker, Internal] fails after a while UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/13/2011 dmi.bios.vendor: INSYDE dmi.bios.version: 2.20 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: Base Board Product Name dmi.board.vendor: Intel Corp. dmi.board.version: Base Board Version dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: OEM Chassis Manufacturer dmi.chassis.version: OEM Chassis Version dmi.modalias: dmi:bvnINSYDE:bvr2.20:bd07/13/2011:svnTOSHIBA:pnSatelliteL755:pvrPSK1WU-05N004:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion: dmi.product.name: Satellite L755 dmi.product.version: PSK1WU-05N004 dmi.sys.vendor: TOSHIBA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1038479/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp