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[79.185.232.138]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5401c0382c5sm287186e87.32.2024.12.08.12.17.16 (version=TLS1_2 cipher=AES128-SHA bits=128/128); Sun, 08 Dec 2024 12:17:17 -0800 (PST) Date: Sun, 8 Dec 2024 21:17:12 +0100 From: =?UTF-8?B?TWljaGHFgg==?= Pecio To: torvalds@linux-foundation.org Cc: gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, mathias.nyman@intel.com Subject: Re: USB: workqueues stuck in 'D' state? Message-ID: <20241208211712.7d475295@foxbook> In-Reply-To: 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 Hi, > > Are you using any USB devices on this thing, or is that just for > > internal connections? > > All internal motherboard devices. Mostly the usual random hubs, but > also some "ASRR USB Ethernet" and a "Multifunction Composite Gadget". Dynamic debug has been suggested, it would tell which ports are being suspended and how often. Either usbcore and/or this should do: func xhci_set_link_state +p Stacktrace looks like this function has just returned and the driver is waiting for the HW to confirm new link state. (Which confirmation, or lack thereof, seems to be subsequently ignored by the way.) Regards, Michal