Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753005AbdDCMzB convert rfc822-to-8bit (ORCPT ); Mon, 3 Apr 2017 08:55:01 -0400 Received: from smtprelay.synopsys.com ([198.182.47.9]:45259 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751672AbdDCMy7 (ORCPT ); Mon, 3 Apr 2017 08:54:59 -0400 From: Minas Harutyunyan To: John Youn , John Stultz , John Youn CC: lkml , YongQin Liu , "linux-usb@vger.kernel.org" Subject: Re: dwc2_hc_chhltd_intr_dma - ChHltd set errors? Thread-Topic: dwc2_hc_chhltd_intr_dma - ChHltd set errors? Thread-Index: AQHSk4+c0FmhkyX5hEq/7QuV9W5RZw== Date: Mon, 3 Apr 2017 12:54:53 +0000 Message-ID: <410670D7E743164D87FA6160E7907A56FD9F691E@am04wembxb.internal.synopsys.com> References: <2B3535C5ECE8B5419E3ECBE300772909021B4A47FF@US01WEMBX2.internal.synopsys.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.116.70.205] Content-Type: text/plain; charset="us-ascii" 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 Content-Length: 1290 Lines: 44 Hi, On 4/3/2017 9:23 AM, John Youn wrote: > On 03/31/2017 04:04 PM, John Stultz wrote: >> On Thu, Mar 2, 2017 at 12:00 PM, John Stultz wrote: >>> Hey John, >>> We've noticed that when using usb ethernet adapters on HiKey, we >>> occasionally see errors like: >>> >>> dwc2 f72c0000.usb: dwc2_hc_chhltd_intr_dma: Channel 0 - ChHltd set, >>> but reason is unknown >>> dwc2 f72c0000.usb: hcint 0x00000002, intsts 0x06200029 >>> >>> dwc2 f72c0000.usb: dwc2_hc_chhltd_intr_dma: Channel 11 - ChHltd set, >>> but reason is unknown >>> dwc2 f72c0000.usb: hcint 0x00000002, intsts 0x04200029 >>> >>> Sometimes followed up by a usb error in the driver, something like: >>> asix 1-1.2:1.0 eth0: asix_rx_fixup() Bad Header Length 0x36000807, offset 68 >>> >>> Curious if you've seen any reports like this? >> >> Hey John, >> Just wanted to check in again on this to see if you've seen anything >> like it? I've not had too much time to debug it, but my attempts so >> far haven't been productive. >> > > I don't think I've seen that. > > We'll try to take a look this week. > > Thanks, > John > > > The core version is less than 2.71a, am I right? Please send full debug log to do more investigation. Also send us regdump after connecting ethernet adapter. Thanks, Minas