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Date:      Thu, 18 May 2017 16:39:33 +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-ZgYMKVmjLY@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=219220

--- Comment #31 from Hans Petter Selasky <hselasky@FreeBSD.org> ---
This sounds like a bug in a user-space daemon which doesn't close its USB
handles to the kernel. Can you also run "procstat -ak" when usbconfig doesn't
print the device lines instantly.

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