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Sound automatically switch from USB Speaker to HeadSet #215
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It looks like a driver problem. Do you see anything USB driver related in the dmesg output ? |
Thanks for the reply. Yes, quite a few. I didn't install anything per se. It's all default ubuntu FWIW: A bunch of these: [ 1211.136810] usb 3-4.4: Device not responding to setup address. Here' s the full output: $ sudo dmesg | grep -i usb
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I assume that those are USB Speakers:
It looks like a generic USB issue or hardware issue (USB link or power instability). The USB device is disconnected and re-enumerated. |
OK - interesting - I do have quite a few usb device plugged , maybe that's a problem. I did have some issue booting w/usb, maybe this is related... Thanks for your thoughts on the matter! |
Just to update. When I unplug and plug the speakers back in they no longer register in dmesg. And no longer play sound...I guess if I waited a day or 2 I would have at least had that answer....Tossed those and bought a new usb speaker, will see how it goes... |
I have not seen the problem since I replaced the hardware. I really thank you for the help @perexg - From my perspective the reported issue appears to have been due to a failing USB speaker. |
Ubuntu 21.10 / Codename: impish
Running LXDE if it matters
I watch youtube listening on my external usb speakers and sounds plays just fine.
All of a sudden they go silent and sound is played on the plugged in headset (Plantronics, Inc. DA40 Adapter) without my intervention...Even if I unplug the headset it will switch over to the 'default usb audio analog stereo'.
I do see some logs via journalctl near the time of the switch:
Mar 01 10:04:57 wilddog pulseaudio[1678]: ALSA woke us up to write new data to the device, but there was actually nothing to write.
Mar 01 10:04:57 wilddog pulseaudio[1678]: Most likely this is a bug in the ALSA driver 'snd_usb_audio'. Please report this issue to the ALSA developers.
Mar 01 10:04:57 wilddog pulseaudio[1678]: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
This is a pretty fresh install.
How can I keep it stable on the external speakers?
Here's my also info: http://alsa-project.org/db/?f=3589356420b912e19608eaee1960f19b3f0a4e22
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