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[83.28.84.81]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48e3ebc4d76sm16306551f8f.12.2026.10.26.04.15.50 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Mon, 26 Oct 2026 04:15:51 -0700 (PDT) Date: Mon, 26 Oct 2026 12:15:44 +0100 From: Michal Pecio To: Dennis Wissel Cc: Yiyu Zhou , linux-usb@vger.kernel.org, mathias.nyman@linux.intel.com, regressions@lists.linux.dev Subject: Re: [REGRESSION] usbhid -110 timeouts and reset loop for Keychron M5 (3434:d068) at boot since v7.3 Message-ID: <20261026121544.41fbb71a.michal.pecio@gmail.com> In-Reply-To: References: <4MjB9K-2SoiA85WbI9iEig@dsine.de> <20261025111410.2c14fcef.michal.pecio@gmail.com> X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit There was some problem and I haven't got this message until I found it in the mailing list archive today. On Sun, 25 Oct 2026 12:11:21 +0100, Dennis Wissel wrote: > 7.2.11-1-cachyos booted with "xhci_hcd.dyndbg=+p usbcore.dyndbg=+p > log_buf_len=16M", mouse plugged in at boot. Below are the lines for > port 1-1 / slot 1. The full log is 270 KB, so I can send it off-list or > post it somewhere if needed. > > This time all four interfaces failed with -71, not only 2 and 3 as > in my earlier 7.2.11 boots, and there was no "usb 1-1: reset", only > the disconnect/re-enumeration. The device seems to drop off the bus > right after Set Configuration, at the first control transfer of the > usbhid probe: OK, but you showed a different log where the device gets reset. That's the interesting case which causes problems with 1f36cc9fa949 and would be useful to see with debugging enabled. I wonder if it's possible that usbhid driver requests a reset to recover from errors and usbcore performs it blindly without paying attention to connect status? Maybe enable usbhid debug as well. BTW, it's likely that the same will happen if the mouse is plugged during operation, so there may be no need to reboot each time. And log would be free of unrelated boot time noise. Regards, Michal