*** This bug is a duplicate of bug 1296425 ***
https://bugs.launchpad.net/bugs/1296425
I found the root cause and wrote it in comments 21 and 22 of the
duplicate bug:
https://bugs.launchpad.net/ubuntu/+source/ubuntu-drivers-
common/+bug/1296425
SUMMARY: ubuntu-drivers-common scrip
*** This bug is a duplicate of bug 1296425 ***
https://bugs.launchpad.net/bugs/1296425
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: pulseaudio (Ubuntu)
Status: New => Confirmed
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*** This bug is a duplicate of bug 1296425 ***
https://bugs.launchpad.net/bugs/1296425
** This bug has been marked a duplicate of bug 1296425
pulseaudio is started twice - effectively making device management
impossible.
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It seems that on Kubuntu Trusty, by default two pulseaudios are running:
$ ps aux|grep pulse
julius3414 1.1 0.1 588164 7056 ?Shttps://bugs.launchpad.net/bugs/1325282
Title:
USB microphone inputs not detected by Pulseaudio on Kubuntu Trusty
To manage notifications about this bug g
> I'm a bit surprised there are two pulseaudios with different PIDs
active though. Could that be a problem?
Yes, probably. On hotplugging, they could both try to probe the device
at the same time, and only one of them succeeds. Probably one of the
instances gets the playback and the other one gets
I just tried plugging in my second USB device and only the playback
device was recognized, the microphone was not. Here is the output:
$ fuser -v /dev/snd/*
GEBRUIKER PID SOORT PROGRAMMA
/dev/snd/controlC0: julius 3304 F pulseaudio
julius 40
Error -16 means "EBUSY", or that some other application or daemon is
trying to use the device, so PulseAudio can't open it. Could you check
with this command:
sudo fuser -v /dev/snd/*
to see if anything else is trying to grab the mic input?
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After standby, Pulseaudio completely refuses to detect my device properly when
I remove and insert multiple times it I get either:
- nothing
- only a stereo playback device
- only a recording device
I do not get both at the same time.
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On #pulseaudio, fritsch gave me the suggestion to look at the output of
'pulseaudio -vvv'.
Here is the log produced when reconnecting the 1st device. After this its
microphone actually showed up!
** Attachment added: "pulseaudio -vvv output when connecting device 1"
https://bugs.launchpad.ne
The I connected the second device. This did not give me any microphone
input option. Here is the log of that.
** Attachment added: "pulseaudio -vvv output when connecting device 2"
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1325282/+attachment/4123772/+files/reconnecting_device_
That is correct, but changing the priorities does not allow the other
recording devices to show up.
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https://bugs.launchpad.net/bugs/1325282
Title:
USB microphone inputs not detected by
your HDMI and onboard Mic have higher priority than your USB Audio
device
Default sink name: alsa_output.pci-_00_1b.0.hdmi-stereo
Default source name: alsa_input.pci-_00_1b.0.analog-stereo
analog-input-microphone: Microfoon (priority 8700, latency offset 0 usec,
available: yes)
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