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Date:      Thu, 04 Feb 2021 15:32:23 +0000
From:      bugzilla-noreply@freebsd.org
To:        usb@FreeBSD.org
Subject:   [Bug 253232] ulpt possible regression in 12.2
Message-ID:  <bug-253232-19105-qfm2qAVQc1@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-253232-19105@https.bugs.freebsd.org/bugzilla/>
References:  <bug-253232-19105@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253232

Hans Petter Selasky <hselasky@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |hselasky@FreeBSD.org

--- Comment #1 from Hans Petter Selasky <hselasky@FreeBSD.org> ---
Hi,

Are you using cups for printing?

cups started using libusb for direct USB device access. Verify there is no
conflict.

Also you may find "usbdump" useful, to capture all traffic to/from the USB
device.

Maybe a USB class compliance issue.

--HPS

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