From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753966AbaBDJcp (ORCPT ); Tue, 4 Feb 2014 04:32:45 -0500 Received: from mx0.aculab.com ([213.249.233.131]:33297 "HELO mx0.aculab.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751484AbaBDJci convert rfc822-to-8bit (ORCPT ); Tue, 4 Feb 2014 04:32:38 -0500 From: David Laight To: "'Markus Rechberger'" , Sarah Sharp CC: LKML , USB list , Alan Stern , Greg KH Subject: RE: [BUGREPORT] Linux USB 3.0 Thread-Topic: [BUGREPORT] Linux USB 3.0 Thread-Index: AQHPITTBr91Kbmny9k2qZH16zHW8EJqk1Ejg Date: Tue, 4 Feb 2014 09:31:52 +0000 Message-ID: <063D6719AE5E284EB5DD2968C1650D6D0F6B8058@AcuExch.aculab.com> References: <20140120193510.GC5545@xanatos> In-Reply-To: Accept-Language: en-GB, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.202.99.200] Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Markus Rechberger > >> Dec 27 23:23:50 solist kernel: [ 36.118245] xhci_hcd 0000:00:14.0: ERROR Transfer event TRB DMA > ptr > > > > These messages might be harmless. The 3.0 kernel contains a fix for > > Intel Panther Point xHCI hosts that suppresses those messages, commit > > ad808333d8201d53075a11bc8dd83b81f3d68f0b "Intel xhci: Ignore spurious > > successful event." > > > > A later commit extends that to all xHCI 1.0 hosts, commit > > 07f3cb7c28bf3f4dd80bfb136cf45810c46ac474 "usb: host: xhci: Enable > > XHCI_SPURIOUS_SUCCESS for all controllers with xhci 1.0" That was > > queued for 3.11 and marked to be backported into stable kernels as old > > as 3.0. I see the same error message on the 0.96 ASMedia controller when the rx buffers for the ax88179_178a driver cross 64k boundaries. So this isn't confined to 1.0 controllers. David