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[79.185.146.95]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-54ad646cedfsm1714368e87.2.2025.03.26.00.23.56 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Wed, 26 Mar 2025 00:23:57 -0700 (PDT) Date: Wed, 26 Mar 2025 08:23:53 +0100 From: =?UTF-8?B?TWljaGHFgg==?= Pecio To: dengjie03@kylinos.cn Cc: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu, usb-storage@lists.one-eyed-alien.net, xiehongyu1@kylinos.cn Subject: Re: [PATCH] usb-storage: apply IGNORE_UAS for Realtek on RTL9210 Message-ID: <20250326082353.3a79aa8a@foxbook> In-Reply-To: <20250326022019.1593669-1-dengjie03@kylinos.cn> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit > The UAS mode of Realtek USB_HDD is reported > to fail to work on several platforms with > the following error message, Possibly related? https://github.com/raspberrypi/linux/commit/9d3afd87557637a37135aa6e370dea846b839c2d An RTL9210 hardware bug with a simple driver workaround, solved by RPi but never submitted upstream. I guess you could try it. > [ 148.437916][ 22] xhci_hcd 0000:ba:02.0: xHCI host not responding to stop endpoint command. > [ 148.462295][ 22] xhci_hcd 0000:ba:02.0: xHCI host controller not responding, assume dead That's your host controller crashing, maybe a device bug confused it. It may be the reason why storage drivers never recover from the error. Out of curiosity, which HC is doing this? > then after > re-connecting the device will be offlined > and not working at all. Nothing can possibly work after the above, until xhci_hcd is reloaded. Regards, Michal