From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2476C2B9F8 for ; Tue, 25 May 2021 05:35:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 93FF86128D for ; Tue, 25 May 2021 05:35:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230494AbhEYFh1 (ORCPT ); Tue, 25 May 2021 01:37:27 -0400 Received: from lb2-smtp-cloud7.xs4all.net ([194.109.24.28]:60813 "EHLO lb2-smtp-cloud7.xs4all.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230218AbhEYFh1 (ORCPT ); Tue, 25 May 2021 01:37:27 -0400 Received: from cust-57f2be97 ([IPv6:fc0c:c196:c6c4:fdf1:aa47:ab6:e251:d2a8]) by smtp-cloud7.xs4all.net with ESMTPSA id lPjMlomNbMajplPjOlRj72; Tue, 25 May 2021 07:35:57 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s2; t=1621920957; bh=UFJ+h/zoNp6NTMwOK6Bm97RcwDXj9NHL9cxFuKzpOXI=; h=Subject:To:From:Message-ID:Date:MIME-Version:Content-Type:From: Subject; b=KgH5UuBlPKL7pImIqK3imT+5fsRfMUqr7dNtPwh4W/XOmI7l82RWfGluwlFRNrEDU 2YDMx7RTYs1EbqJ7T9+7S1Rub4pzJT2ZOWnMaETJF61HMzfDY8kM2vUjdc2Q9hgsNM 0k6/VfvtA7eZHyYUzpYrvUmoSMYIfGK4HZTW6hHCYXhnsu/cJ4NeXhJ9FNNBLIQQaB vYtFH/7BatQH1tTg3Zgt8aSpqulG73YT2NuFYvbW04zoEmJBXyfKzmmwzxKqEaGVrv ggzDbpNRlbQxIaoK+WFso1F7SUCYDdCqc6tMEdD2TSfydmSGrIey1saNBwK+hD9OVz Ob8vxe5hL8sHg== Subject: Re: 5.11.17: xhci_hcd 0000:0a:00.3: WARN Event TRB for slot 3 ep 12 with no TDs queued? To: Mathias Nyman , USB list References: <18f75805-2538-476f-38bb-d3c6e1c2bf5e@xs4all.nl> <6a4c37df-8403-4026-6ff2-189ce1e87264@linux.intel.com> From: Udo van den Heuvel Organization: hierzo Message-ID: <758067a5-66e2-c979-ebf0-95c738283355@xs4all.nl> Date: Tue, 25 May 2021 07:35:52 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <6a4c37df-8403-4026-6ff2-189ce1e87264@linux.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4xfPHLYzlHIePjbamEOQawCP3Kuv4YMW/RHcb+FOHu407KrvGi5M2Hx9/91JJGcsz+EtzfdIap2SWbrrFgo10A6nayfj+qsYryWkHH994scRdNsXf0+L46 AqmYjzDKi6yGzj7V5dyWMsnj4y9lE9E9kjojKHqSyh0w0wcdtzwWALlxFx/ljqKWSrDOcQQLwMHcwXkGcmxyZRwfVsJYqLaBw2C9cavqxYBpdeXx7ZO7t82m d6vhKZejXxVFPWF+6zHeow== Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On 03-05-2021 10:57, Mathias Nyman wrote: >> When 5.11.17 gives me a load of: >> >> xhci_hcd 0000:0a:00.3: WARN Event TRB for slot 3 ep 12 with no TDs queued >> >> What happened? > > Either your host is sending spurious events, or more likely this TD (transfer descriptor) > was already handled and given back by driver due some event mid TD. > Host still has this TD cached and generates events for last entry of TD after xhci driver gave it back. It happened again without me really using USB. (i.e.: no plugging in/out of USB items) Does that tell you anything? The PC has USB keyboard/mouse, but also a connection to the USB hub in the monitor. >> What can I do (to help) fix it? > > First try 5.12 (just came out) It has some xhci driver changes in this area. 5.12.6 here... I'll look into generating a trace. Udo