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Date:      Mon, 03 Oct 2016 03:46:07 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-usb@FreeBSD.org
Subject:   [Bug 208791] USB audio playback issue
Message-ID:  <bug-208791-17-96tngajH1l@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-208791-17@https.bugs.freebsd.org/bugzilla/>
References:  <bug-208791-17@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D208791

metsuke <metsuke@protonmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |metsuke@protonmail.com

--- Comment #5 from metsuke <metsuke@protonmail.com> ---
Perhaps this is the same issue that causes my Razer Megalodon (USB headset)=
 to
constantly crackle as well.  It was nearly fixed by hselasky's suggestion:=
=20
-----
Edit:

sys/dev/usb/usb_freebsd.h

And change:

#define USB_FS_ISOC_UFRAME_MAX 4 /* exclusive unit */

Into:

#define USB_FS_ISOC_UFRAME_MAX 5 /* exclusive unit */

Then re-build the kernel.
-----

There is still a crackle for 2 seconds every time a new audio stream starts,
but it goes away after that.  I thought the 11.0 upgrade would fix this, bu=
t I
still need a custom kernel.  If this is not the same issue, I'll open a new
one, thanks.

--=20
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