no sound card detected on Dell Latitude e6400 and Ubuntu 15.10
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
alsa-driver (Ubuntu) |
Won't Fix
|
Undecided
|
Unassigned |
Bug Description
When I installed Ubuntu 15.04 the sound was working OK. Then, it was working at a set sound level but I could not mute or turn it up/down. Then, no sound at all and no sound card detected.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: alsa-base 1.0.25+
ProcVersionSign
Uname: Linux 4.2.0-21-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CurrentDesktop: Unity
Date: Thu Dec 17 12:36:11 2015
InstallationDate: Installed on 2015-08-04 (134 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
PackageArchitec
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
SourcePackage: alsa-driver
Symptom: audio
UpgradeStatus: Upgraded to wily on 2015-12-17 (0 days ago)
dmi.bios.date: 05/06/2010
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A24
dmi.board.name: 0U695R
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.
mtime.conffile.
Δεκ 17 11:58:23 hostname kernel: [Firmware Bug]: Duplicate ACPI video bus devices for the same VGA controller, please try module parameter "video. allow_duplicate s=1"if the current driver doesn't work.