[Expired for alsa-driver (Ubuntu) because there has been no activity for
60 days.]
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete => Expired
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** Changed in: alsa-driver (Ubuntu)
Status: Confirmed => Incomplete
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B
Yes, you can use pacmd or pactl to migrate the sink.
This really seems like a driver issue, so I'm going to triage it as
such.
** Package changed: pulseaudio (Ubuntu) => alsa-driver (Ubuntu)
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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yeah, thanks, this option solved the problem indeed, except for my high
cpu load. playing mp3 eats 15 % (pulseaudio).
what's more interesting is, that CPU (when watching movies fullhd - but
accelerated via gpu) is on 100% (mostly user space) even if sum of cpu
processes via top show no more then 3
Ok. Maybe tsched=0 could be something to try.
(Change /etc/pulse/default.pa, the line that says "load-module module-
udev-detect", append " tsched=0" to that line)
Otherwise I'm out of ideas at the moment.
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So, I am back. It took me little longer to make my final test. I tried
to run 5.1 surround at my friend's PC (he has the same motherboard - and
so the same onboard sound card). He had the same problem as me, so we
can definitely exclude some HW issues. This could be driver or
pulseaudio...
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Hi,
no, problem is still present on 5.1 (so is with no simd). It is hard for
me to detect it by your sound tests. What I use is always observation by
listening to mp3 or movie.
I think it could be driver thing, too. But as I have mentioned in #1, in older
Ubuntu, I have fixed this problem by tun
So are you saying that using the same test case (running PULSE_NO_SIMD=1
pulseaudio ... ) the vibrating problem sometimes does not occur (comment
#6) and sometimes does occur (comment #8)? I'm just trying to find some
kind of pattern in what's causing the problem.
So far I'm leaning towards a driv
Ou, and here is again new output from your #3 6 channels audacity merged to mp3.
This time, sound was crackling all the time I can swear (but the mp3 file
says/sounds opposite, don't know why...).
First I have the option "Monitor of Internal Audio Analog Surround 5.1" (for
about 30 seconds in enc
Hi,
ok, David, can you (we) focus only on vibrating noise from channels? I
am not sure if "rewind due to underrun" was not my fault.
I have filed another bug long time ago, because my sound sometimes went
away completely. I was really desperate and thought this was pulseaudio
issue. But by accid
, thanks. I think there are two different bugs here, one being
the vibrating noise, the other one being pulseaudio being stuck in
"requesting rewind due to underrun" (causing playback to stall
entirely).
What does not make sense to me, is that if pulse is actually mixing
things wrong, we s
Hi Daniel, good to see you again.
>> Without being able to access the recorded audio
Are you suggesting, the mp3 link is incorrect?
I just tried your log advice. Strange thing happened. I was not able to
reproduce bug - using David's speaker-test -t sine -D pulse -c 6.
Everything was OK (I used P
Without being able to access the recorded audio, the symptoms read a
lot like latency and/or optimization issues.
Please follow https://wiki.ubuntu.com/PulseAudio/Log, but this time
also prepend "PULSE_NO_SIMD=1" to the pulseaudio invocation.
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Hi David,
of course it is. Thanks for helping. I am not sure if I got you:
1. I ran your command and yes the sound is weird - bronken
2. I ran audacity with this configuration: ALSA-pulse-default: Line:0 -
1(Mono), I start recording (that is the "broken" part in my file starting from
0s to 12
Ok, I'm wondering whether it is possible for you to catch the noise for
me, e g like this:
1) Start:
speaker-test -t sine -D pulse -c 6
...and notice that you have the "broken" sound.
2) Start audacity, make sure it records six channels and that the sound driver
is set to "ALSA: default" or "ALS
Hi,
using your command, everything is OK. So is by using this:
speaker-test -Dplug:surround51 -c6 -l1 -twav - I used to try 5.1 surround.
Here is the file you've asked for. Thanks
** Attachment added: "myAlsa"
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/772738/+attachment/2097635
Hi Cyril,
Is this bug also present when you bypass pulseaudio with this command:
pasuspender -- speaker-test -t sine -D plughw:0 -c 6
Please also attach an alsa-info according to these instructions:
wiki.ubuntu.com/Audio/AlsaInfo
Thanks!
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