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Date:      Thu, 02 Apr 2020 16:27:55 +0000
From:      bugzilla-noreply@freebsd.org
To:        gnome@FreeBSD.org
Subject:   [Bug 194727] uaudio device gets disconnected, and hangs usb until everything using /dev/mixer* is closed
Message-ID:  <bug-194727-6497-sL5Xmqyg4E@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-194727-6497@https.bugs.freebsd.org/bugzilla/>
References:  <bug-194727-6497@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D194727

--- Comment #29 from Greg V <greg@unrelenting.technology> ---
(In reply to Hans Petter Selasky from comment #27)

Nice. I've been able to detach a USB soundcard, click on the built-in Realt=
ek
one in pavucontrol and playback seamlessly continued on the built-in soundc=
ard.

Pulse did show these messages when detaching:

E: [oss] module-oss.c: Mixer shutdown.
E: [oss] module-oss.c: SNDCTL_DSP_GETOPTR: Bad file descriptor

and dmesg:

uaudio0: at uhub2, port 22, addr 2 (disconnected)
pcm8: unregister: channel pcm8:virtual:dsp8.vp0 busy (pid 27294)
pcm8: Waiting for sound application to exit!
pcm8: detached
uaudio0: detached

BTW, I'm preparing a merge request for upstream pulseaudio with our patches=
 and
new meson patches, should I include this?

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