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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 A2E7BC73C64 for ; Wed, 10 Jul 2019 11:50:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77F6F2064B for ; Wed, 10 Jul 2019 11:50:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726140AbfGJLuK (ORCPT ); Wed, 10 Jul 2019 07:50:10 -0400 Received: from mx2.suse.de ([195.135.220.15]:57324 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726043AbfGJLuK (ORCPT ); Wed, 10 Jul 2019 07:50:10 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 83DB6AFF3; Wed, 10 Jul 2019 11:50:09 +0000 (UTC) Message-ID: <1562759399.5312.6.camel@suse.com> Subject: Re: Titan Ridge xHCI may stop to working after re-plugging the dock From: Oliver Neukum To: Kai-Heng Feng , Mathias Nyman , Mika Westerberg Cc: Kent Lin , Linux PCI , Linux USB List Date: Wed, 10 Jul 2019 13:49:59 +0200 In-Reply-To: <993E78A1-2A60-46D8-AA51-F4CB077E48D1@canonical.com> References: <993E78A1-2A60-46D8-AA51-F4CB077E48D1@canonical.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.26.6 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Am Dienstag, den 09.07.2019, 21:10 +0800 schrieb Kai-Heng Feng: > Hi Mika and Mathias, > > I’ve filed a bug [1] which renders docking station unusable. > > I am not sure it's a bug in PCI, Thunderbolt or xHCI so raise the issue to > you both. > > [1] https://bugzilla.kernel.org/show_bug.cgi?id=203885 > > Kai-Heng > The issue starts before you unplug. In fact it starts before the dock is even detected the first time: [ 13.171167] rfkill: input handler disabled [ 19.781905] pcieport 0000:00:1c.0: PME: Spurious native interrupt! [ 19.781909] pcieport 0000:00:1c.0: PME: Spurious native interrupt! [ 20.109251] usb 4-1: new SuperSpeedPlus Gen 2 USB device number 2 using xhci_hcd [ 20.136000] usb 4-1: New USB device found, idVendor=0bda, idProduct=0487, bcdDevice= 1.47 [ 20.136004] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 20.136007] usb 4-1: Product: Dell dock [ 20.136009] usb 4-1: Manufacturer: Dell Inc. [ 20.140607] hub 4-1:1.0: USB hub found [ 20.141004] hub 4-1:1.0: 4 ports detected [ 20.253025] usb 1-4: new high-speed USB device number 5 using xhci_hcd [ 20.403520] usb 1-4: New USB device found, idVendor=0bda, idProduct=5487, bcdDevice= 1.47 [ 20.403521] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 20.403522] usb 1-4: Product: Dell dock [ 20.403522] usb 1-4: Manufacturer: Dell Inc. [ 20.404348] hub 1-4:1.0: USB hub found This looks like a PCI issue. In general, this kind of reporting sucks. We have to guess what you did at 19.781905 Regards Oliver