This bug was filed against a series that is no longer supported and so
is being marked as Won't Fix. If this issue still exists in a supported
series, please file a new bug.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Upgrade-reinstall was recently executed with Ubuntu 11.04. Problem is
cured.
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Title:
Crackling / scratching noise using Pulseaudio
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** Changed in: pulseaudio
Status: New = Opinion
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Title:
Crackling / scratching noise using Pulseaudio
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ubuntu-bug pulseaudio
I don't know how to file a bug report. That's what I was asked to enter
from askUbuntu forum.
I have Ubuntu 10.10, upgraded from 10.4. When I play Rythmbox the sound
cuts and cracks or crackles if eg Firefox or Software Manager or my
Photos files are open. I have Linux
** Changed in: pulseaudio
Status: Opinion = New
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Title:
Crackling / scratching noise using Pulseaudio
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My brain is getting taxed now. I remember the problem but haven't seen
it for quite some time. I presently installed Maverick, from scratch,
and have not seen any issues on my old HP laptop. Have you tried
installing from scratch rather than upgrading?
Ken
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The fixes in this thread have removed the major beeps/glitches/cracking,
but i am still getting 'glitching' in the audio during movie playback
with both VLC/Mplayer. Where gltiching is an undulating in the audio
(So, high lows synced to CPU usage it seems).
I'm using onboard audio on an EVGA
Futher: This does not happen during pure audio playback - only when
Video is thrown in the mix.
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have u tried this
https://help.ubuntu.com/community/SoundTroubleshooting
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I am currently having this bug on Karmic Final Release using an HDA
Nvidia Conexant sound card in my HP Pavilion DV2000 Series laptop. The
sound crackles on notifications and they tend to play at double-speed as
well.
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Crackling / scratching noise using Pulseaudio
@TheCheeze Those symptoms read like a hardware issue, not PA-related
(though PA does push ALSA harder than anything). You may need one/both
of position_fix/bdl_pos_adj module parameters.
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same problem on my dv6000 but does not occur on my 9.04 install...
TheCheeze wrote:
I am currently having this bug on Karmic Final Release using an HDA
Nvidia Conexant sound card in my HP Pavilion DV2000 Series laptop. The
sound crackles on notifications and they tend to play at double-speed
It seems this bug doesn't apply to me, and that I just needed to find the right
documentation, then set the model= parameter. Sorry for the waste of time.
I'll note my solution in case it helps random web searchers, but it's NOT
related to this bug. I should also qualify these hints: I just
Crackly sounds on a fresh Jaunty install. I've tried various things but
haven't upgraded the kernel/alsa yet.
I'm still not clear that this is the bug I'm having, is there diagnostic
test other than upgrading the kernel?
I changed /etc/pulse/client.conf to autospawn = no and ran
aplay and still
Daniel this is happening on Karmic. I get popping / scratching on all
audio following the first desktop attempt to play a sound. I have an
audigy 2 soundcard.
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+1 for post a
href=https://bugs.launchpad.net/ubuntu/+source/linux/+bug/345627/comments/139;#139/a.
I applied the acpi=off to my grub boot and it seems to have fixed all
my sound issues.
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Tried the karmic 20090829.2 daily build : the sound seems to work fine
(except a single loud crackle when the device is awaken). Just installed
it instead of jaunty, more reports once I get to activate the
proprietary wifi drivers from an ethernet connection.
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Crackling / scratching noise
I'm curious if my original bug that was marked as a dupe of this (clicks/pops -
often associated with video)
might be helped by the fix that's just gone into 2.6.31-8.28 as a fix for
412492 which increases a latency figure for intel video; in the case of video
it got some flicker/dropping on
With 2.6.28-15-generic on Jaunty,
when booting with acpi=off option, sound is OK
when booting with noapic option, sound is borked.
Can't boot without one of these.
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Tried Karmic alpha 4 today... Null output for sound.
Probably because of https://bugs.launchpad.net/ubuntu/+source/udev/+bug/393665
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Bugs,
why are the other bugs (where the video stutters) being assigned as a
duplicate of this when this bug has been marked as fixed. When people
are still experiencing Video stuttering and audio being out of sync?
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Crackling / scratching noise using Pulseaudio
I even removed pulseaudio to use Alsa instead = no fix.
Updated Jaunty with kernel version 2.6.28-14 and reinstalled pulseaudio =
worked a few minutes and then the sound glitches started again.
I don't know if this problem is related to pulseaudio or if this is a
kernel problem, but to me Jaunty
Just wondering if any has actually seen an improvement in this bug? I
just updated and followed the suggestions from Conn, but still have
stuttering on audio. The changes from Conn seamed to make it more
noticeable actually. Is it just my system, or what?
Sorry, but this bug is going on 4 months
Hi, I gave up on the current kernel with PulseAudio. I installed Linux
Kernel 2.6.30 and reverted back to Alsa and that seems to work for me.
This link explains how to install the new kernel:
http://www.ramoonus.nl/2009/06/10/linux-kernel-2-6-30-installation-
guide-for-ubuntu-and-debian-linux/.
I
Hi Conn,
Neither of those tweaks helped (I made them in the /etc/pulse files and then
restarted pa with pactl exit).
I also tried setting the default sample rate to 48k that has helped a bit in
the past; doesn't seem to make much odds.
Dave
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Crackling / scratching noise using Pulseaudio
I'm still hearing popping with current Karmic (2.6.31-2) kernel - it's
very noticeable.
Dave
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Dave,
You won't see any improvement until you enable glitch-free audio
(providing that glitch-free works for your hardware) - see the recent
posts by myself and Daniel. Until this is done officially, you can edit
the configuration files yourself:
1. Create a copy of the configuration files to
My only suggestion, from my experience, is to try to do a fresh complete
install, not an upgrade from 8.10. When I did the upgrade I had the
same problems but after doing a fresh from scratch install of Jaunty my
sound and video work fine.
Ken
On Sun, 2009-07-05 at 04:36 +, TheJointChief
I am running 9.04 (upgraded from 8.10) and have had sound/video issues ever
since, regardless of the application I am using. Basically, if I play a
video or music file, and pause, stop, or start a new video, the program
stops playing audio/video, or it plays it in a crackling way. I've tried
Though I may be mistaken, don't the changes made by Stefan Bader in the
recent kernel revision undo the fix? If so, doesn't that mean that
status should still be Triaged, not Fix Released?
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Good question. I am running along happy on my Jaunty 32bit. I have
noticed a couple of lockups when coming out of suspend the last couple
of days. Maybe because I installed VirtualBox and XP inside that. Not
sure what is causing the lockups yet...
I have a spare hard drive that I might
On Tue, Jun 30, 2009 at 10:52 PM, Connconnogri...@gmail.com wrote:
First, a question: why did kernel 2.6.30-10-generic trigger bug #374002,
when it was supposed to be fixed since kernel 2.6.29 according to
Fedora's bug report related to my particular codec [2]? As I said
earlier, this bug did
Luke Daniel,
I've been experimenting with PulseAudio in Karmic and Fedora 11, and I'm
making some observations/suggestions relevant to this bug report, and
PulseAudio as a whole.
My basic codec identifier, for reference:
c...@inspiron:~/.pulse$ aplay -l
List of PLAYBACK Hardware Devices
Sorry, slight correction to my previous post. With kernel
2.6.31-1-generic and glitch-free PulseAudio, Skype does have the problem
of hundreds of connections opening/closing - but there is absolutely no
stuttering even under CPU load.
This issue is probably due to Skype's buggy implemention of
Still not fixed.
Sound is still playing in fast-forward in audacious/vlc, and flash videos run
in fast-forward too to keep the sync with the sound.
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This bug was fixed in the package linux - 2.6.28-13.44
---
linux (2.6.28-13.44) jaunty-proposed; urgency=low
[ Stefan Bader ]
* Revert SAUCE: [jaunty] ALSA: Add retry for Intel8x0 clock measurement
* Revert SAUCE: [jaunty] ALSA: Fix clock and buffer calculations for
** Attachment removed: Screenshot.png
http://launchpadlibrarian.net/27320003/Screenshot.png
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This problem is definitely something to do with high CPU usage, at least
on my machine. First, my specs: Dell Latitude D520, 1.66GHz Centrino
Duo, 3GB of RAM, lspci lists my audio device as 00:1b.0 Audio device:
Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller
(rev 01). Now,
Forgot to say HOW I know it is a CPU-usage related problem...
If I am ripping a CD, my processor is being used just under 50% (and
that means an entire core, as this is a dual-core system). When I am
ripping CDs, this problem surfaces. I haven't seen this problem anywhere
else, but I don't tend
Accepted into jaunty-proposed:
linux (2.6.28-13.44) jaunty-proposed; urgency=low
.
[ Stefan Bader ]
.
* Revert SAUCE: [jaunty] ALSA: Add retry for Intel8x0 clock measurement
* Revert SAUCE: [jaunty] ALSA: Fix clock and buffer calculations for
Intel8x0
* Revert SAUCE: [jaunty]
I am having the same problem as Sean, for the most part. Also happens in
Amarok for me. As long as I keep the sound Muted I can watch flash
videos without problem. I am having the (cpulimit.c: Received request to
terminate due to CPU overload) found in the log. Seems to have gotten
gradually
Had a problem while I was muted now. Gkrellm let me know to look for
message.
May 30 23:02:05 sara-desktop pulseaudio[8504]: main.c: Called SUID root and
real-time and/or high-priority scheduling was requested in the configuration.
However, we lack the necessary privileges:
May 30 23:02:05
Not sure if this is the same problem, but I'm having audio playback
problems on my ForteMedia FM801-AU - sound in all applications suffers
from occasional hiccups. However, the most severe problem is that
flash video seems to get stuck in fast forward after some time
(playback of both audio and
Dave, there's a newer test kernel based on jaunty-proposed (containing
fixes that, unfortunately, will be reverted).
** Changed in: linux (Ubuntu)
Status: Fix Committed = Triaged
** Changed in: linux (Ubuntu Jaunty)
Importance: Undecided = Medium
** Changed in: linux (Ubuntu Jaunty)
I am running an AMD 64 with Conexant Audio and Nvidia Graphics so I am
not sure this problem is the same.
Ken
On Thu, 2009-05-28 at 01:29 +, Daniel T Chen wrote:
Dave, there's a newer test kernel based on jaunty-proposed (containing
fixes that, unfortunately, will be reverted).
**
A bit off topic - but for those tempted to try Karmic to get around this, I'm
not hearing any crackles; but am getting hit
by #374010 where pulse stops with snd_pcm_delay() returned a value that is
exceptionally large.
Dave
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Crackling / scratching noise using Pulseaudio
** Also affects: pulseaudio
Importance: Undecided
Status: New
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I am a user of Intel8x0 have exerienced distortion since I began using
Ubuntu 6.06. http://en.wikipedia.org/wiki/Distortion#Audio_distortion
In the past, installing up to date ALSA and pulseaudio had eliminated
the distortion for me.
I upgraded to jaunty. With the included jaunty versions of
On Tue, May 19, 2009 at 11:56 PM, nullack null...@gmail.com wrote:
Daniel RE what you said about the problems with the default resample-
method = value on certain hardware, surely there is a possible solution
that the install should query what hardware there is and optimally
default the value
On Wed, May 20, 2009 at 1:17 AM, Conn connogri...@gmail.com wrote:
While I don't dispute your observation that a hardware component is
involved with the distorted audio, I think that we can all agree that
src-linear is the lowest-common denominator in terms of audio quality,
See bug 376374 and
On Karmic, I changed /etc/pulse/daemon.conf resample-method to ffmpeg in
response to bug #376374.
After changing default-fragment-size-msec = 5, i still get stuttering. I
also tried changing /etc/modprobe.d/alsa-base.conf to include both
options snd-hda-intel position_fix=1
and
options
Like Asif I am also helping to test Karmic. However on the current
development build I dont get stuttering audio, my symptoms are crackling
/ scratching regardless of what I seem to do within the various volume
control settings.
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Crackling / scratching noise using Pulseaudio
Daniel RE what you said about the problems with the default resample-
method = value on certain hardware, surely there is a possible solution
that the install should query what hardware there is and optimally
default the value to be correct? Whats happening currently is that audio
out of the box
Daniel,
While I don't dispute your observation that a hardware component is
involved with the distorted audio, I think that we can all agree that
src-linear is the lowest-common denominator in terms of audio quality,
and an alternative should be chosen. Lennart recommends against using
this
This may be related as well: https://tango.0pointer.de/pipermail
/pulseaudio-discuss/2009-May/003701.html
Perhaps we can cherry-pick that fix and see if it helps?
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With the attached conf file I have not experienced any
crackling/stottering so far. It seems that the most important option for
my laptop (Toshiba Satellite M40) is 'realtime-priority = 0'. I don't
know what's the disadvantage of setting this priority to the max, but it
works for me.
My system:
Hi,
with position_fix=2 on the 2.6.28-11 #42 kernel I seem to be doing OK with a
few clicks; but much more rare than without it - although that confuses me
since looking at the source it looks like the default is the same behaviour!
(position_fix=1 is certain not very happy).
Dave
--
Running the karmic alpha now, this bug is still present.
updated alsa info: http://www.alsa-
project.org/db/?f=92604ab2b6cfd2f1c541ad386b011f8c8fbffda9
i'll try the changed options noted in this thread and report back,
though.
--
Crackling / scratching noise using Pulseaudio
With 2.6.28-12-generic #43-Ubuntu SMP, default-fragment-size-msec = 5
and resample-method = ffmpeg, I am experiencing a lot less of the
effects the bug reports describe. I am getting minor crackling, and some
stuttering, but much more rarely than at any point before these changes.
It's not perfect
I just added this comment over on Bug #301755, but feel that it might be
applicable to this one too:
I just had good success with adding a parameter to /etc/modprobe.d/alsa-
base.conf:
options snd-hda-intel position_fix=1
I got the idea from:
http://ubuntuforums.org/showthread.php?t=843012
I've done a clean installation of Jaunty. With previous versions (8.04
and 8.10) I had no problem with the sound. But now (in Jaunty 9.04) each
time a pidgin contact is connected (or emesene or aMSN), or a new mail
arrives, there is a noise in the speakers very unpleasant, like a
crackling.
I
Everyone, is the crackling reproducible when using resampling = ffmpeg
in daemon.conf?
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I tried adding resampling =ffmpeg and then listening to
http://games.on.net/filepopup.php?video=8386
it crackles pretty bad.
is this correct ? should i have restarted anything in this test ?
; log-target = auto
; log-level = notice
; log-meta = no
; log-time = no
; log-backtrace = 0
resampling =
the file was located here: /etc/pulse/daemon.conf
On Wed, May 13, 2009 at 7:26 PM, wirechief silvermachine...@gmail.com wrote:
I tried adding resampling =ffmpeg and then listening to
http://games.on.net/filepopup.php?video=8386
it crackles pretty bad.
is this correct ? should i have
On Wed, May 13, 2009 at 7:26 PM, wirechief silvermachine...@gmail.com wrote:
resampling = ffmpeg
Sorry, the above was a brown paper bag goof. I meant:
resample-method = ffmpeg
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On Wed, May 13, 2009 at 7:26 PM, wirechief silvermachine...@gmail.com wrote:
is this correct ? should i have restarted anything in this test ?
Yes, you will need to 'pkill pulseaudio' after making the change to
daemon.conf. It needs to be restarted (or autospawned).
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Crackling / scratching
Daniel,
The src-linear resampler (current setting in Jaunty) is really awful,
too. It causes crackles for certain ranges in audio (e.g. explosions);
by crackles I mean resampling artifacts, not stuttering or buffering
problems. These crackles never occurred with ALSA's default dmix, and I
On Wed, May 13, 2009 at 11:55 PM, Conn connogri...@gmail.com wrote:
As you can see, we're currently using the second-worst resampler. From
personal testing, my conclusion was that speex-float-1 was the best
resampler that balanced low CPU usage with audio quality (no distortion
or crackles at
I think my problem is diferent. I have hda-intel realtek alc 1200.
My Problem is only with Pidgin because Pidgin has 22khz sounds. I
convert 22khz to 44khz and fix the problem.
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Hi all,
I did also a test with kernel 2.6.28-12-generic #43 on my toshiba
satellite M40 with ATI-IXP codec, without success.
I edited the following in /etc/pulse/daemon.conf:
resample-method = trivial
default-fragment-size-msec = 5
After that I did:
killall pulseaudio
...and finally:
** Changed in: linux (Ubuntu Jaunty)
Status: Fix Committed = Confirmed
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As per note in #ubuntu-devel:
18:06 dtchen pitti: i'm afraid 345627 is going to have to be tagged
verification-failed; even though linux-2.6.28-12.43-generic fixes the
symptoms for some users, it presents an awesome regression for others. i
feel it's better to live with known breakage than
** Tags added: verification-failed
** Tags removed: verification-needed
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Hi,
I've just tested with the 2.8.28-12.43 from proposed with
resample-method = trivial
and
default-fragment-size-msec = 5
and I was able to trigger the problem with rhythmbox stopping and just getting
constant loud crackling and no music
out and this doesn't get going again. This happened
I'm not sure what happened, but pulseaudio has become more unstable
again. Whenever I pause rhythmbox, pulseaudio just dies and I need to
restart the daemon. This wasn't the case a couple days ago so I'm not
sure what's up.
--
Crackling / scratching noise using Pulseaudio
This is the line that pulseaudio gives when I pause rhythmbox:
---
D: sink-input.c: Requesting rewind due to corking
D: core.c: Hmm, no streams around, trying to vacuum.
shm.c: Assertion 'madvise(ptr, size, MADV_DONTNEED) == 0' failed at
pulsecore/shm.c:257, function pa_shm_punch(). Aborting.
On Fri, May 8, 2009 at 10:40 AM, martron imart...@gmail.com wrote:
D: sink-input.c: Requesting rewind due to corking
D: core.c: Hmm, no streams around, trying to vacuum.
shm.c: Assertion 'madvise(ptr, size, MADV_DONTNEED) == 0' failed at
pulsecore/shm.c:257, function pa_shm_punch(). Aborting.
Any chance the new pulse will get backported to Jaunty? (I can make a
backport request if none has been made already)
Research is what I'm doing when I don't know what I'm doing.
--Wernher Von Braun
The second law of thermodynamics: If you think things are in a mess
now, JUST WAIT!!
On Fri, May
On Fri, May 8, 2009 at 12:46 PM, Brian Curtis briancurtis...@gmail.com wrote:
Any chance the new pulse will get backported to Jaunty? (I can make a
backport request if none has been made already)
It's be evaluated (as I mentioned on identi.ca). Also, please try to
keep responses relevant to
I'm using Audacious right now, and with the proposed kernel, the
default-fragment-size-msec = 5, and resample-method = trivial, I just
got a long (5 second) period of crackling/stuttering, followed by the
music coming back and then stopping. Audacious itself was stopped, so
I'm not sure exactly
I test the new proposed kernel and I have the same problems. I test
sound in pidgin. The result crackling and scratching noise
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On Mon, May 4, 2009 at 5:36 PM, Mimue michael.muelle...@gmx.net wrote:
System-Preferences-Sound-Sound Events: Test I heard at the
beginning a clear tone but after about 5s it got crackling and the
system didn't recover so far.
I've received reports that halving default-fragment-size-msec (to
Jaunty guest in VBox version 2.2.2 fully updated no patches applied.
Kernel 2.6.28.12 brakes sound as described in this thread.
Booting with previous Kernel 2.6.28.11, resolves the problem.
Vbox Audio controller ICH AC97
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On Wed, May 6, 2009 at 10:34 AM, sterios prosiniklis
steriosprosinik...@gmail.com wrote:
Jaunty guest in VBox version 2.2.2 fully updated no patches applied.
Kernel 2.6.28.12 brakes sound as described in this thread.
Booting with previous Kernel 2.6.28.11, resolves the problem.
Vbox Audio
Also tried this one without results: halving default-fragment-size-msec (to 5)
in /etc/pulse/daemon.conf is helping immensely on some HDA
controllers.
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Tried this one:
https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/344057/comments/13
without any success. If further testing is required please ask specifically.
I am not an expert.
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Installed the new kernel from jaunty-proposed, didn't seem to do much to
the stuttering.
However, I tried the suggestion over at:
https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/344057/comments/13
and have been listening to music on MOC for about half an hour with only
about 3 dropouts
I tried out the proposed kernel after being referred here from
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/367671 which
has a more accurate description of my problem: pulseaudio getting killed
after ~20 minutes with a custom -rt kernel.
Anyway, so far installing the proposed generic
With the proposed kernel, the default-fragment-size-msec = 5, and
resample-method = trivial, I am still getting stuttering.
The addition of default-fragment-size-msec = 5 seems to get rid of the
dropouts that I get with the new kernel with resample-method = trivial,
but instead of dropouts, I get
With the proposed kernel, the default-fragment-size-msec = 5, and
resample-method = trivial, I am still getting stuttering.
The addition of default-fragment-size-msec = 5 seems to get rid of the
dropouts that I get with the new kernel with resample-method = trivial,
but instead of dropouts, I get
Hi Daniel,
I changed the daemon.conf accordingly (see attachement). The speaker-
test worked properly, I heard alternating noise out of my left and right
speaker. When I did a reboot after that and tested my sound with
System-Preferences-Sound-Sound Events: Test I heard at the
beginning a clear
** Also affects: linux (Ubuntu Jaunty)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Jaunty)
Status: New = Fix Committed
** Tags added: verification-done
** Tags removed: verification-needed
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Verification done? By whom? Certainly not by me. Developers, please tell
me if my issue is the same or different from this one and if I should
report it separately (and against which package). Thank you.
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You
Mimue reported success in comment 54. Kamil, seems your situation is
slightly different then. I let the audio gurus do the further analysis
on this.
** Tags added: hw-specific verification-needed
** Tags removed: verification-done
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Crackling / scratching noise using Pulseaudio
I'd say this is good on my machine - the only thing I'm still getting
(which isn't a major problem but may be relevant or may be a separate
issue) is that if I've got Rhythmbox playing and I hit mute on the
volume applet I hear crackling rather than silence. With rhythmbox
stopped I have silence
Kamil, wirechief, your symptoms are very probably unrelated to this
kernel update. If you were seeing those symptoms prior to the linux-
image in jaunty-proposed and after applying the update, it cannot
constitute a regression. Further, the fact that the symptoms are
associated with particular
I install kernel update-proposed and I have the same problems
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Crackling / scratching noise using Pulseaudio
https://bugs.launchpad.net/bugs/345627
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Daniel,
1. yes, problems were present before and after proposed kernel update
2. I removed pulseaudio package, killed pulseaudio processes, and the problem
is still present. Therefore I don't think it is related to pulseaudio.
It seems that my bug is not related to this bug. (But it is a
Damn - with the -43 I've just had a pulseaudio[4272]: cpulimit.c:
Received request to terminate due to CPU overload.
I don't think I ever saw that in the Jaunty release kernels (did see it
in the Alpha and occasionally in the -42 I think):
May 4 15:30:55 davros pulseaudio[4272]: cpulimit.c:
Kamil, file a bug affecting gst-plugins-ugly0.10.
Dave, see bug 329896 and bug 344057.
To properly resolve all the symptoms, one needs this updated linux, an
updated alsa-lib, and an updated pulseaudio. That's a karmic task.
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Crackling / scratching noise using Pulseaudio
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