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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,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 676C0C433E0 for ; Mon, 1 Mar 2021 15:54:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1480C600CD for ; Mon, 1 Mar 2021 15:54:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237394AbhCAPyQ (ORCPT ); Mon, 1 Mar 2021 10:54:16 -0500 Received: from netrider.rowland.org ([192.131.102.5]:55657 "HELO netrider.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S236976AbhCAPyI (ORCPT ); Mon, 1 Mar 2021 10:54:08 -0500 Received: (qmail 1490473 invoked by uid 1000); 1 Mar 2021 10:53:21 -0500 Date: Mon, 1 Mar 2021 10:53:21 -0500 From: Alan Stern To: Sedat Dilek Cc: Mathias Nyman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman Subject: Re: [xhci] usb 4-1: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd Message-ID: <20210301155321.GA1490228@rowland.harvard.edu> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 01, 2021 at 09:54:38AM +0100, Sedat Dilek wrote: > On Wed, Feb 24, 2021 at 6:25 PM Sedat Dilek wrote: > > > > On Wed, Feb 24, 2021 at 2:44 PM Sedat Dilek wrote: > > > > > > Hi Mathias, > > > > > > I am here on Linux-v5.11-10201-gc03c21ba6f4e. > > > > > > I see a lot xhci-resets in my dmesg-log: > > > > > > root# LC_ALL=C dmesg -T | grep 'usb 4-1: reset SuperSpeed Gen 1 USB > > > device number 2 using xhci_hcd' | wc -l > > > 75 > > > > > > This is what I have: > > > > > > root# lsusb -s 004:001 > > > Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > > > > > > root# lsusb -s 004:002 > > > Bus 004 Device 002: ID 174c:55aa ASMedia Technology Inc. ASM1051E SATA > > > 6Gb/s bridge, ASM1053E SATA 6Gb/s bridge, ASM1153 SATA 3Gb/s bridge, > > > ASM1153E SATA 6Gb/s bridge > > > > > > My external USB 3.0 HDD contains the partition with my Debian-system > > > and is attached to the above xhci bus/device. > > > > > > Can you enlighten what this means? > > > Is this a known issue? > > > Is there a fix around? > > > > > > BTW, in which Git tree is the xhci development happening? > > > Can you point me to it? > > > > > > I am attaching my linux-config and full dmesg-log. > > > > > > Also I have attached outputs of: > > > > > > $ sudo lsusb -vvv -d 1d6b:0003 > > > $ sudo lsusb -vvv -d 174c:55aa > > > > > > If you need further information, please let me know. > > > > > > Thanks. > > > > > > > Looks like that xhci-reset happens here every 10min. > > > > [ To Greg ] > > The problem still remains with Linux v5.12-rc1 (see [1]). > > Yesterday, I ran some disk-health checks with smartctl and gsmartcontrol. > All good. > > For the first time I used badblocks from e2fsprogs Debian package: > > root# LC_ALL=C badblocks -v -p 1 -s /dev/sdc -o > badblocks-v-p-1-s_dev-sdc_$(uname -r).txt > Checking blocks 0 to 976762583 > Checking for bad blocks (read-only test): done > Pass completed, 0 bad blocks found. (0/0/0 errors) > > Good, there is no file-system corruption or badblocks or even a hardware damage. > > Anyway, feedback is much appreciated. > > Thanks. You can use usbmon on bus 4 to record the USB traffic. It may indicate why the resets occur. Alan Stern