there is no sound from my monitor speakers.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: alsa-base 1.0.25+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 3.5.0-18.29-generic 3.5.7
Uname: Linux 3.5.0-18-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.6.1-0ubuntu6
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC3: burlington 2115 F.... pulseaudio
/dev/snd/controlC2: burlington 2115 F.... pulseaudio
/dev/snd/controlC1: burlington 2115 F.... pulseaudio
/dev/snd/controlC0: burlington 2115 F.... pulseaudio
Date: Tue Nov 13 16:19:35 2012
MarkForUpload: True
PackageArchitecture: all
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Generic failed
Symptom_Card: Juniper HDMI Audio [Radeon HD 5700 Series] - HD-Audio Generic
Symptom_DevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC3: burlington 2115 F.... pulseaudio
/dev/snd/controlC2: burlington 2115 F.... pulseaudio
/dev/snd/controlC1: burlington 2115 F.... pulseaudio
/dev/snd/controlC0: burlington 2115 F.... pulseaudio
Symptom_Jack: Digital Out, HDMI
Symptom_Type: No sound at all
Title: [GA-MA790GP-UD4H, ATI R6xx HDMI, Digital Out, HDMI] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/08/2010
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F7c
dmi.board.name: GA-MA790GP-UD4H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF7c:bd07/08/2010:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA790GP-UD4H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA790GP-UD4H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA790GP-UD4H
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
HDMI audio was disabled by the upstream kernel developers as it causes blank screens on a lot of systems.
You can re-enable HDMI audio by adding "radeon.audio=1" to your GRUB boot options as described at https:/
If that still doesn't work, or the audio channels are incorrectly mapped, a patch titled "drm/edid: add a helper function to extract the speaker allocation data block" has been published which will hopefully be included in the upstream 3.12 kernel. The patch description reads:
"This adds a helper function to extract the speaker allocation data block from the EDID. This data block describes what speakers are present on the display device."