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A workaround may be to use sudo, e.g. /usr/bin/avplay clip1.wav. This error appears to occur when there's some sort of permissions error with /dev/console and/or /dev/tty* for the current user. sudo short-cuts around that, but isn't a proper fix. I think the underlying configuration problem could be with PAM or systemd-logind, which are in charge of ...

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