[Bug 156726] [snd_uaudio]: snd_uaudio(4) fails to detach when mixer is open

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From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 17 Oct 2021 18:15:01 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=156726

Kevin Zheng <kevinz5000@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |kevinz5000@gmail.com

--- Comment #4 from Kevin Zheng <kevinz5000@gmail.com> ---
I ran into this problem in 13.0-RELEASE. In my case, suspend (via acpiconf)
hangs on uaudio_detach_sub() ("Waiting for sound application to exit!") because
an application is holding the mixer open. Can we re-open this issue for
investigating a fix on the sound side, or should I open a new PR?

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