[Bug 194727] uaudio device gets disconnected, and hangs usb until everything using /dev/mixer* is closed

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Feb 13 20:56:49 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194727

--- Comment #52 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
I'm sorry to say, that trying to fix the kernel side will eventually lead to a
kernel memory leak. You can't allow user-space to hold kernel resources
forever.

For example when watching videos on Facebook with Firefox, sometimes audio
stops working, because too many audio devices are opened, due to a user-space
bug not caring to close the file handles.

--HPS

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