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** Changed in: alsa-driver (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/887913
Title:
Regression - Oneiric: extremely choppy audio, multimedia unusable
Status in alsa-driver package in Ubuntu:
Incomplete
Bug description:
Installed 11.10 on two systems - a desktop and a laptop. On the desktop the
sound is OK, while on the laptop, I get horrible lags and skips on all audio.
If playing a movie and the soundcard is enabled, the video becomes choppy too.
Tried both an upgraded system (from 11.04) and a clean install, same problem.
The sound is *always* choppy, I get bursts of sound for about 1/2
second then maybe 1 second of silence. The "bursts of sound" appear to
come in random order, too.
The whole system is totally unable to perform any multimedia task as
is now (i.e. playing music, playing videos, playing games).
Sound card is a n ExpressCard card:
[code]cristian@cristian-laptop:~$ lspci | grep Audio
06:00.0 PCI bridge: Creative Labs [SB X-Fi Xtreme Audio] CA0110-IBG PCI to
PCIe Bridge
07:00.0 Audio device: Creative Labs [SB X-Fi Xtreme Audio] CA0110-IBG
[/code]
I attached the pulseaudio log taken during a choppy audio playback.
Restricted drivers in use:
Broadcom STA wireless driver,
nVidia accelerated graphics driver.
If any further info is needed I'll post here.
Cristian
**** Info for main install, upgraded from Natty ****
**** Here the sound is OK but no card detected in Sound Settings, and I can't
set the volume ****
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Creative [HDA Creative], device 0: CA0110 Analog [CA0110 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 1.23-0ubuntu4
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Creative [HDA Creative], device 0: CA0110 Analog [CA0110 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/hwC0D1', '/dev/snd/pcmC0D0c',
'/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Card0.Amixer.info:
Card hw:0 'Creative'/'HDA Creative at 0xf8000000 irq 20'
Mixer name : 'Creative CA0110-IBG'
Components : 'HDA:1102000a,11021001,00100000'
Controls : 15
Simple ctrls : 8
DistroRelease: Ubuntu 11.10
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
NonfreeKernelModules: nvidia wl
Package: alsa-driver (not installed)
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
PulseSinks: Error: command ['pacmd', 'list-sinks'] failed with exit code 1:
No PulseAudio daemon running, or not running as session daemon.
PulseSources: Error: command ['pacmd', 'list-sources'] failed with exit code
1: No PulseAudio daemon running, or not running as session daemon.
Tags: oneiric running-unity
Uname: Linux 3.0.0-12-generic i686
UpgradeStatus: Upgraded to oneiric on 2011-10-14 (25 days ago)
UserGroups: adm admin cdrom dialout dip lpadmin netdev plugdev sambashare
vboxusers
dmi.bios.date: 11/15/2007
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.13
dmi.board.name: 30D6
dmi.board.vendor: Wistron
dmi.board.version: 81.46
dmi.chassis.type: 10
dmi.chassis.vendor: Wistron
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.13:bd11/15/2007:svnHewlett-Packard:pnHPPaviliondv2700NotebookPC:pvrF.13:rvnWistron:rn30D6:rvr81.46:cvnWistron:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv2700 Notebook PC
dmi.product.version: F.13
dmi.sys.vendor: Hewlett-Packard
**** Info for alternate install, clean install ****
**** Here the sound is choppy and unusable but the card is correctly listed
in Sound Properties, and the volume works ****
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Creative [HDA Creative], device 0: CA0110 Analog [CA0110 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 1.23-0ubuntu3
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Creative [HDA Creative], device 0: CA0110 Analog [CA0110 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: cristian 1545 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Creative'/'HDA Creative at 0xf8000000 irq 20'
Mixer name : 'Creative CA0110-IBG'
Components : 'HDA:1102000a,11021001,00100000'
Controls : 15
Simple ctrls : 8
CurrentDmesg: [ 135.864670] init: plymouth-stop pre-start process (2122)
terminated with status 1
DistroRelease: Ubuntu 11.10
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
NonfreeKernelModules: nvidia wl
Package: alsa-driver (not installed)
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Tags: oneiric running-unity
Uname: Linux 3.0.0-12-generic i686
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 11/15/2007
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.13
dmi.board.name: 30D6
dmi.board.vendor: Wistron
dmi.board.version: 81.46
dmi.chassis.type: 10
dmi.chassis.vendor: Wistron
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.13:bd11/15/2007:svnHewlett-Packard:pnHPPaviliondv2700NotebookPC:pvrF.13:rvnWistron:rn30D6:rvr81.46:cvnWistron:ct10:cvrN/A:
dmi.product.name: HP Pavilion dv2700 Notebook PC
dmi.product.version: F.13
dmi.sys.vendor: Hewlett-Packard
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