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[83.28.45.123]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-53c7bc9c16dsm167079e87.109.2024.10.31.04.17.27 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Thu, 31 Oct 2024 04:17:28 -0700 (PDT) Date: Thu, 31 Oct 2024 12:17:24 +0100 From: =?UTF-8?B?TWljaGHFgg==?= Pecio To: Mathias Nyman Cc: Mathias Nyman , linux-usb@vger.kernel.org, "Neronin, Niklas" Subject: Re: [PATCH 0/2] xhci: Fix the NEC stop bug workaround Message-ID: <20241031121724.5a259d6b@foxbook> In-Reply-To: <20241031114926.22ac4359@foxbook> References: <20241025121806.628e32c0@foxbook> <20241028083351.655d54cf@foxbook> <20241029092800.32eccf3b@foxbook> <7c2abdd1-c209-4616-9d18-be5fc99fc527@linux.intel.com> <35fdb2a4-8514-4b4d-9332-127d6ed07908@linux.intel.com> <20241031091347.29b6ffdd@foxbook> <20241031114926.22ac4359@foxbook> 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 Update: > Your patch prints one dev_dbg() each time, mine spams many of them for > 100ms each time. I will remove this one retry limit from your patch to > see if starts spinning infinitely, but I strongly suspect it will. Yes, that's exactly what happens. This time I have killed the ifconfig loop, unplugged the NIC and started 'rmmod xhci_pci', which is still hanging 10 minutes later. So business as usual when these things go wrong. > One retry is not enough. This is what I got on the first try with a > random UVC webcam: > [...] The Set TR Deq mismatch errors went away when I fixed your patch not to give up on first try. Maybe I remembered wrong and they have always been around. Regards, Michal