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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 C6C15C4338F for ; Sat, 24 Jul 2021 13:41:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A9D4160E8F for ; Sat, 24 Jul 2021 13:41:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231948AbhGXNAz (ORCPT ); Sat, 24 Jul 2021 09:00:55 -0400 Received: from mail.kernel.org ([198.145.29.99]:56252 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229539AbhGXNAz (ORCPT ); Sat, 24 Jul 2021 09:00:55 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id 0F00960E8F for ; Sat, 24 Jul 2021 13:41:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1627134078; bh=gdk4OFMEi9RvDqMVPbCnfJpHkr/NOH3bxAMMlF/Vq2o=; h=From:To:Subject:Date:From; b=Rgy0l0fatkF2ZHF89Dqajty80JD2q9lXyr23AIjDsN0mPaSvu0cZlbh0sNVp7q50Q /ZUD+wDR/cxb91TUJrw0rysBhUOiQbSkLrwFjTfdkYR10rvp+WAEf/pfCOAOvOSSD4 dA8tcuEKLZi34cTOuQ+7UZ+6WjP7pAUXTD55JF9BNNcfli/SQE9H29FL4ldjkbk4kw 9299Du9gbLUzSVmWd8lvq7ejNbnjhfTzzzf5Uv5rwb1iOwP5+q4uMBoDXKIaI1YQNJ ofxTYtgb7iijXCXKQ64wXKXz7hzBxP33U1iLQExgaFCIHWEwiUoFIm4GxDdYLR6lFw xbfzXzqCuIU+A== From: bugzilla-daemon@bugzilla.kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 213839] New: XHCI 7 port usb hub does not work correctly Date: Sat, 24 Jul 2021 13:41:17 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: tmezzadra@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version cf_kernel_version rep_platform op_sys cf_tree bug_status bug_severity priority component assigned_to reporter cf_regression Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D213839 Bug ID: 213839 Summary: XHCI 7 port usb hub does not work correctly Product: Drivers Version: 2.5 Kernel Version: 5.13.4 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: USB Assignee: drivers_usb@kernel-bugs.kernel.org Reporter: tmezzadra@gmail.com Regression: No I got an off brand 7-port usb 2.0 which internally has two ICs. first IC connected to the host's usb port exposes 3 USB ports. its 4th usb = port has a second identical IC connected which exposes 4 USB ports making it a t= otal of 7 USB 2.0 ports available. Bus 002 Device 065: ID 0a05:7211 Unknown Manufacturer hub Bus 002 Device 064: ID 0a05:7211 Unknown Manufacturer hub As they appear from lsusb the problem is that the first chip works correctly (first 3 USB ports conne= cted to it work). But as soon as I connect a usb device on any of the ports from= the second chip. i get the following problems in dmesg: [ 2215.717828] usb 2-1.1: new full-speed USB device number 29 using xhci_hcd [ 2215.808680] usb 2-1.1: New USB device found, idVendor=3D0a05, idProduct= =3D7211, bcdDevice=3D 1.00 [ 2215.808685] usb 2-1.1: New USB device strings: Mfr=3D0, Product=3D1, SerialNumber=3D0 [ 2215.808688] usb 2-1.1: Product: USB2.0 HUB [ 2215.809333] hub 2-1.1:1.0: USB hub found [ 2215.809426] hub 2-1.1:1.0: 4 ports detected [ 2216.158062] usb 2-1.1: USB disconnect, device number 29 [ 2216.174608] usb 2-1.1-port3: attempt power cycle [ 2216.561173] usb 2-1.1: new full-speed USB device number 34 using xhci_hcd [ 2216.652346] usb 2-1.1: New USB device found, idVendor=3D0a05, idProduct= =3D7211, bcdDevice=3D 1.00 [ 2216.652359] usb 2-1.1: New USB device strings: Mfr=3D0, Product=3D1, SerialNumber=3D0 [ 2216.652365] usb 2-1.1: Product: USB2.0 HUB [ 2216.654327] hub 2-1.1:1.0: USB hub found [ 2216.654480] hub 2-1.1:1.0: 4 ports detected [ 2217.001529] usb 2-1.1: USB disconnect, device number 34 [ 2217.017975] usb 2-1.1-port3: attempt power cycle [ 2217.404536] usb 2-1.1: new full-speed USB device number 39 using xhci_hcd [ 2217.495411] usb 2-1.1: New USB device found, idVendor=3D0a05, idProduct= =3D7211, bcdDevice=3D 1.00 [ 2217.495417] usb 2-1.1: New USB device strings: Mfr=3D0, Product=3D1, SerialNumber=3D0 [ 2217.495419] usb 2-1.1: Product: USB2.0 HUB [ 2217.496120] hub 2-1.1:1.0: USB hub found [ 2217.496221] hub 2-1.1:1.0: 4 ports detected [ 2217.844888] usb 2-1.1: USB disconnect, device number 39 [ 2217.861345] usb 2-1.1-port3: attempt power cycle and so on.... This same device at a Windows computer works correctly. Ideas? --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=