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=-7.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,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 E5537C433E6 for ; Sun, 14 Mar 2021 05:23:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B188F64EC6 for ; Sun, 14 Mar 2021 05:23:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233634AbhCNFXB (ORCPT ); Sun, 14 Mar 2021 00:23:01 -0500 Received: from mail.kernel.org ([198.145.29.99]:55198 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233268AbhCNFWo (ORCPT ); Sun, 14 Mar 2021 00:22:44 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id B07C664E99; Sun, 14 Mar 2021 05:22:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615699363; bh=5kfXABJ0cPh+YX7q9yHUL8SvtR0sbXwbrCcNN/EzoaY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=P7B2eJ2zl+dsJw31TAzSB1O+Yl3AG+B4HN5xJy+5tnSOsnY76FZosvreV+x6lT1vR zkD1R/pzUi264c6fAPTGjNkQrIVPnnG3uaYNzotyzNuZymxYjAdE4k4NaUakLpnMy+ c09BtuQ6QnhCdOeazstPDeDgvmXm2PTJ6Gxc1HkKQ5I7yd0Tp9tSf/la79xpklWCVW 1mZsKZhsDE1qaJqNUf+HzY9Tnpflnzd1K+P4bPz+NTSO1S2Q6vM4OCsiHL4PxGNycY uNKPwxi6oT5/Rxg6689F/9vS/tvMlEi1/eEb2BvQb6Fe9n0mQYSBsbCJXFbiKxHKiz HouSClevGkC/g== Date: Sun, 14 Mar 2021 13:22:37 +0800 From: Peter Chen To: "jinguang.yu" <949347424@qq.com> Cc: linux-usb@vger.kernel.org, Mathias Nyman Subject: Re: xhci-hcd xhci-hcd.0.auto: ERROR unknown event type 37 Message-ID: <20210314052237.GB30122@b29397-desktop> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On 21-03-13 16:36:39, jinguang.yu wrote: > Hi Peter, > > > Recently, we met a problem about xhci driver, which show "ERROR unknown event type 37" in xhci_handle_event() when we using a usb camera. Beside I have found your commit dc0ffbea5729a3abafa577ebfce87f18b79e294b in kernel to solve this problem. Could you provide some advise for ours to solve this problem? I uploaded this Error log in attachment. I'm very very grateful for your response. > > Cc: USB ML and Mathias, Hi Jinguang, Please wrap your line up 75 characters next time. What's your kernel version, and does my patch work for you? It usually occurs when the software submits the requests faster than the requests has handled. -- Thanks, Peter Chen