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[85.65.193.189]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-35dd04c10fdsm885124f8f.17.2024.05.30.21.27.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 May 2024 21:27:15 -0700 (PDT) Message-ID: <7c1792f6-dacf-494c-a6a3-04b48596f903@grimberg.me> Date: Fri, 31 May 2024 07:27:14 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: WQ_UNBOUND workqueue warnings from multiple drivers To: Kamaljit Singh , Chaitanya Kulkarni Cc: "kbusch@kernel.org" , "linux-kernel@vger.kernel.org" , "linux-nvme@lists.infradead.org" References: <6d3af8dd-30c3-48d4-9083-7f00ea21ff8c@nvidia.com> Content-Language: en-US From: Sagi Grimberg In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit >> I see, what is the mdts? > MDTS=3, i.e. 32K > >> and what are the r2t lengths the controller is sending to the host? > r2t lengths are 24 bytes or 28 bytes. > Umm, so your controller requests 24 or 28 bytes from the host at a time?? That's unlikely. by "r2t lengths" I meant r2t_length field in the r2t, which tells the host how much to send in a h2cdata...