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How to Root Samsung Galaxy S Duos GT-S7562

How to Update Galaxy Ace 3 (LTE) S7275R with Android 4.2.2 XXUANA3 Jelly Bean Official Firmware

[SOLVED] Unable to open mixer /dev/mixer

by
December 11, 2021
in Uncategorized
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Problem:
If you get an error in terminal saying “Unable to open mixer /dev/mixer” or “Could not gain access to /dev/sound/dsp for writing.”. You can resolve this problem by installing “libsnack2-alsa” package. If you are trying to install “libsnack2-alsa” package “wavesurfer” is going to uninstall, if wavesurfer is already installed.

You will get this message:

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The following packages will be REMOVED:
  libsnack2 wavesurfer
The following NEW packages will be installed:
  libsnack2-alsa
 

Error:

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Unable to open mixer /dev/mixer
OR
Could not gain access to /dev/sound/dsp for writing.
 

Solution:

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$ sudo apt-get install libsnack2-alsa
 

I hope this will help you, If you got another solution please do write in comment. I love to hear that.

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