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Date:      Thu, 11 May 2017 13:38:08 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-usb@FreeBSD.org
Subject:   [Bug 219220] syscalls (ioctls) on USB devices are very slow
Message-ID:  <bug-219220-17-PFY7Qdpiv0@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-219220-17@https.bugs.freebsd.org/bugzilla/>
References:  <bug-219220-17@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D219220

--- Comment #19 from Hans Petter Selasky <hselasky@FreeBSD.org> ---
Also the output "vmstat -i" might be interesting.

You can try to disable ugen1.1 like this:

usbconfig -d 1.1 set_config 255

And see if it helps.

--HPS

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