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[24.31.245.230]) by smtp.gmail.com with ESMTPSA id m18sm2114905otr.61.2021.06.08.10.41.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 08 Jun 2021 10:41:24 -0700 (PDT) Sender: Larry Finger To: linux-usb@vger.kernel.org, LKML Cc: ierturk@ieee.org From: Larry Finger Subject: Strange problem with USB device Message-ID: Date: Tue, 8 Jun 2021 12:41:23 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.2 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, In https://bugzilla.suse.com/show_bug.cgi?id=1186889, a user is reporting that his Bluetooth component of a Realtek RTL8822CE is not being found in openSUSE's kernel 5.3.18. His lsusb scan is as follows: $ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 13d3:56c9 IMC Networks HP TrueVision HD Camera Bus 001 Device 002: ID 045e:07fd Microsoft Corp. Nano Transceiver 1.1 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub The Bluetooth device is found and works in Windows 10, where the Device Manager reports hardware ID's of 0bda:b00c. This combination is in driver btusb. Is there a bug in the USB bus scan in kernel 5.3.18 that has since been fixed, or is there still a bug that misses this device? Thanks, Larry