Linux

[10.10] Played audio crackles every ~10 seconds

Bug #651785 reported by YannUbuntu on 2010-09-30

This bug affects 7 people

Affects		Status	Importance	Assigned to	Milestone
	Linux	New	Undecided	Unassigned
	pulseaudio (Ubuntu)	Invalid	Undecided	Unassigned

Bug Description

On 10.10, updated 2 hours ago. Hardware: same as Bug #580909
On Rhythmbox (Gnome session), and Aqualung (Lubuntu session), when playing a music the sound crackles every ~10 seconds. Sample attached.

******************************************************
[WORKAROUND]
If you encounter this bug, try to :
- open Synaptic package manager , there go to menu Settings->Repositories
- in the "Software sources" window, click on the "Updates" tab and enable "maverick-proposed", then close the window
- update your packages
- update the 3 following packages : linux-image-generic , linux-generic , and linux-headers-generic
- optionnaly disable the "maverick-proposed" repository
- in a terminal type "sudo update-grub"
- then restart your computer

The bug should have disappeared.
*******************************************************

---
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: yyy 1189 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with CS4299 at irq 10'
   Mixer name : 'Cirrus Logic CS4299 rev 4'
   Components : 'AC97a:43525934'
   Controls : 36
   Simple ctrls : 22
CheckboxSubmission: 51c6f3b05d5c225424fe161a0dfde5b0
CheckboxSystem: ed86e29ffba809c116a39e33fa9fc45c
DistroRelease: Ubuntu 10.10
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Beta i386 (20100901.1)
Package: alsa-base 1.0.23+dfsg-1ubuntu4
PackageArchitecture: all
ProcEnviron:
LANG=en_US.utf8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Tags: maverick
Uname: Linux 2.6.35-22-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 08/21/03
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: V1.09
dmi.board.name: TravelMate 240
dmi.board.vendor: Acer
dmi.board.version: Rev.A
dmi.chassis.type: 1
dmi.chassis.vendor: Acer
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.09:bd08/21/03:svnAcer:pnTravelMate240:pvr-1:rvnAcer:rnTravelMate240:rvrRev.A:cvnAcer:ct1:cvrN/A:
dmi.product.name: TravelMate 240
dmi.product.version: -1
dmi.sys.vendor: Acer

See original description

Tags:

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30:

audio sample Edit (143.1 KiB, video/3gpp)

Revision history for this message

Luke Yelavich (themuso) wrote on 2010-09-30: Re: [Bug 651785] Re: [10.10 RC] Played audio crackles every ~10 seconds

That bug doesn't contain more specific information that is needed to try and work out your problem. Please run this command in a terminal: apport-collect -p alsa-base 651785 so we can get the needed information from the machine. Please also follow the instructions here, https://wiki.ubuntu.com/PulseAudio/Log so we can get a better idea of what may be going on with pulseaudio when the crackling occurs.

affects ubuntu/pulseaudio
status incomplete

Changed in pulseaudio (Ubuntu):
status:	New → Incomplete

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30: AlsaDevices.txt

AlsaDevices.txt Edit (589 bytes, text/plain)

apport information

tags:	added: apport-collected
description:	updated

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30: AplayDevices.txt

AplayDevices.txt Edit (323 bytes, text/plain)

apport information

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YannUbuntu (yannubuntu) wrote on 2010-09-30: ArecordDevices.txt

ArecordDevices.txt Edit (622 bytes, text/plain)

apport information

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YannUbuntu (yannubuntu) wrote on 2010-09-30: BootDmesg.txt

BootDmesg.txt Edit (41.8 KiB, text/plain)

apport information

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30: Card0.Amixer.values.txt

Card0.Amixer.values.txt Edit (5.0 KiB, text/plain)

apport information

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30: Card0.Codecs.codec97.0.ac97.0.0.txt

Card0.Codecs.codec97.0.ac97.0.0.txt Edit (641 bytes, text/plain)

apport information

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30: Card0.Codecs.codec97.0.ac97.0.0.regs.txt

Card0.Codecs.codec97.0.ac97.0.0.regs.txt Edit (767 bytes, text/plain)

apport information

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30: CurrentDmesg.txt

#10

CurrentDmesg.txt Edit (922 bytes, text/plain)

apport information

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YannUbuntu (yannubuntu) wrote on 2010-09-30: Dependencies.txt

#11

Dependencies.txt Edit (1.9 KiB, text/plain)

apport information

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30: PciMultimedia.txt

#12

PciMultimedia.txt Edit (760 bytes, text/plain)

apport information

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30: ProcCpuinfo.txt

#13

ProcCpuinfo.txt Edit (544 bytes, text/plain)

apport information

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30: Re: [10.10 RC] Played audio crackles every ~10 seconds

#14

pulseverbose.log Edit (1.3 MiB, text/plain)

I tryed the debug procedure you indicated, but i'm not sure if i did it well because my computer was laggy (it's an old PC).

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30:

#15

2nd log (aqualung) Edit (12.7 KiB, text/plain)

First try was with Rhythmbox on a Lubuntu session.

I did a 2nd try with Aqualung on a Gnome session, see attached log.

Revision history for this message

Daniel T Chen (crimsun) wrote on 2010-09-30: Re: [Bug 651785] Re: [10.10 RC] Played audio crackles every ~10 seconds

#16

This is really a sound driver problem. You may be able to work around
it by adjusting default-fragments and default-fragment-size-msec in
default.pa.

Revision history for this message

Daniel T Chen (crimsun) wrote on 2010-09-30:

#17

Sorry, I meant daemon.conf.

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-09-30: Re: [10.10 RC] Played audio crackles every ~10 seconds

#18

I forgot to mention that I don't have this bug in Ubuntu9.10. (which I use in dual-boot). I did not try 10.04 as I was not able to install it.

Currently in 10.10 I have the default parameters in /etc/pulse/daemon.conf :
default-fragments = 8
default-fragment-size-msec = 10

Which kind of values would you recommend ?

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-10-04:

#19

Ok, I played for a while with the 2 parameters, rebooting after each change to be sure that the changes are taken into account.
The bug (cracks every ~10 seconds) was still present, even for the 2 extreme sets of parameters below :

Minimum test set :
default-fragments = 1
default-fragment-size-msec = 1

Maximum test set :
default-fragments = 80
default-fragment-size-msec = 100

FYI, I think the cracks were shorter with the "minimum test set".

Hope this helps.

By the way, is this bug's status still "incomplete" ?

YannUbuntu (yannubuntu) on 2010-10-05

Changed in pulseaudio (Ubuntu):
status:	Incomplete → New

Revision history for this message

Andrew Vavilov (vapask) wrote on 2010-10-05:

#20

I have the same problem

Revision history for this message

Andrew Vavilov (vapask) wrote on 2010-10-05:

#21

pulseverbose.log Edit (527.9 KiB, text/plain)

Logs

Revision history for this message

Markus (markus-slash) wrote on 2010-10-11:

#22

pulseverbose.log Edit (1.3 MiB, text/plain)

Hallo,

i have the same Problem too. I can only fixed, if I kill pulseaudio. Then the sound works excellent. I use the final version and not the RC

Revision history for this message

Barış Özel (ozelbaris) wrote on 2010-10-17:

#23

I removed pulseaudio and installed esound but nothing changed. I think the problem is about alsa driver.

Revision history for this message

Barış Özel (ozelbaris) wrote on 2010-11-10:

#24

The problem is the kernel. Everything is fine with the Natty(2.6.37-2) kernel.

YannUbuntu (yannubuntu) on 2010-11-15

summary:

- [10.10 RC] Played audio crackles every ~10 seconds
+ [10.10] Played audio crackles every ~10 seconds

Revision history for this message

YannUbuntu (yannubuntu) wrote on 2010-11-15:

#25

I confirm what Barış Özel says : I updated my kernel from 2.6.35.22 to 2.6.35.23 via the Maverick-proposed repositories, and the bug disappeared.

Thank you Barış !

YannUbuntu (yannubuntu) on 2010-11-15

description:

updated

YannUbuntu (yannubuntu) on 2010-11-15

Changed in pulseaudio (Ubuntu):
status:	New → Invalid

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