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Message #44001
[Bug 1402194] ProcEnviron.txt
apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1402194/+attachment/4284641/+files/ProcEnviron.txt
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https://bugs.launchpad.net/bugs/1402194
Title:
PCI/internal sound card not detected
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
This bug relates to the internal sound hardware in a Dell XPS 13
laptop. Since accepting an upgrade to the latest Ubuntu Extra software
today, the Systems Settings > Sound > Output no longer show the
internal speakers, despite numerous attempts to shut down and restart.
Before accepting the upgrade, the sound played normally through the
speakers.
Having upgraded the system from the Ubuntu 12.10 originally installed
with the laptop and finding comments relating to the software drivers
for the Intel WiFi and Bluetooth chip (Intel AC 7520) and touch
screen, I tried out an installation straight from a Ubuntu 14.04
bootable USB stick. The system worked well enough without these
drivers so I went ahead and replaced the whole installation from the
USB stick and subsequently accepted the upgrade to 14.10.
I tried plugging in a headset and this produced a screen allowing me
to select the type of headset (mono, with or without mic or stereo).
An extra entry appeared in the System Settings > Sound > Output pane
allowing me to choose between the headset or the speakers and to test
the audio on each one. However, unplugging the headset seemed to
produce intermittent behaviour, the system being uncertain as to
whether the headset was in use. This was solved by re-booting and the
system and speakers behaved as expected.
Now I have the situation that the speakers are not shown in the Sound
> Output pane and the Output Volume slider stays at zero and is unable
to be moved with the pointer. The volume control slider in the
dropdown panel from the speaker symbol in the system tray appears to
respond to movement from the pointer and the Fn-F11 & F12 keys.
However, with no output device shown, there is no sound output to the
speakers.
Several attempts to restart the system have failed to restore the
speaker functionality.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: alsa-base 1.0.25+dfsg-0ubuntu4
ProcVersionSignature: Ubuntu 3.16.0-28.38-generic 3.16.7-ckt1
Uname: Linux 3.16.0-28-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: david 2172 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Dec 13 13:28:32 2014
InstallationDate: Installed on 2014-12-11 (1 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_GB:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_GB.UTF-8
SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Title: PCI/internal sound card not detected
UpgradeStatus: Upgraded to utopic on 2014-12-11 (1 days ago)
dmi.bios.date: 09/11/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 0D13CR
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnDellInc.:bvrA05:bd09/11/2014:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0D13CR:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: XPS13 9333
dmi.sys.vendor: Dell Inc.
---
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: david 2190 F.... pulseaudio
/dev/snd/controlC1: david 2190 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.10
InstallationDate: Installed on 2014-12-11 (8 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
Package: alsa-driver (not installed)
Tags: utopic
Uname: Linux 3.18.1-031801-generic x86_64
UpgradeStatus: Upgraded to utopic on 2014-12-11 (8 days ago)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 09/11/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 0D13CR
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias: dmi:bvnDellInc.:bvrA05:bd09/11/2014:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0D13CR:rvrA00:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: XPS13 9333
dmi.sys.vendor: Dell Inc.
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