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NAME − command−line utility to gather information about the ALSA subsystem

SYNOPSIS [options]

DESCRIPTION is a command−line utility gathering information about the ALSA subsystem. It is used mostly for debugging purposes.



Upload contents to the server ( or


Do not upload contents to the remote server.


Print information to standard output.

−−output FILE

Specify file for output in no-upload mode.


Run utility as normal, but will not delete file (usually /tmp/alsa-info.txt).


Includes output from aplay -l.


Includes output from amixer.


Includes output from alsactl.


Includes output from ~/.asoundrc and /etc/asound.conf if they exist.


Check server for updates.


Print information about authors.

EXAMPLES −−no-upload

Will gather all information and show the output file.


aplay(1) amixer(1) alsactl(1)

AUTHOR was created by the ALSA team, see −−about .