From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751764AbeDSEVv (ORCPT ); Thu, 19 Apr 2018 00:21:51 -0400 Received: from mail-qk0-f193.google.com ([209.85.220.193]:45869 "EHLO mail-qk0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750934AbeDSEVt (ORCPT ); Thu, 19 Apr 2018 00:21:49 -0400 X-Google-Smtp-Source: AB8JxZpjsjoakmsktZdiDFnZhCk8qao8e+JnZJmIH7sAgdulIkaKbP3DaOTX+05cGX7I84aM9HtZseYTmEeoYvvG/sA= MIME-Version: 1.0 From: Siva Reddy Kallam Date: Thu, 19 Apr 2018 09:51:48 +0530 Message-ID: Subject: Re: tg3 crashes under high load, when using 100Mbits To: Kai-Heng Feng Cc: Satish Baddipadige , Prashant Sreedharan , Michael Chan , Linux Netdev List , Linux Kernel Mailing List , Stanley Hsiao , Tim Chen Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by mail.home.local id w3J4LuEi029261 On Sat, Apr 14, 2018 at 9:17 PM, Kai-Heng Feng wrote: > Hi Satish, > >> On 2018Mar21, at 00:57, Kai-Heng Feng wrote: >> >> Satish Baddipadige wrote: >> >>> On Thu, Feb 15, 2018 at 7:37 PM, Siva Reddy Kallam >>> wrote: >>>> On Mon, Feb 12, 2018 at 10:59 AM, Siva Reddy Kallam >>>> wrote: >>>>> On Fri, Feb 9, 2018 at 10:41 AM, Kai Heng Feng >>>>> wrote: >>>>>> Hi Broadcom folks, >>>>>> >>>>>> We are now enabling a new platform with tg3 nic, unfortunately we observed >>>>>> the bug [1] that dated back to 2015. >>>>>> I tried commit 4419bb1cedcd ("tg3: Add workaround to restrict 5762 MRRS to >>>>>> 2048”) but it does’t work. >>>>>> >>>>>> Do you have any idea how to solve the issue? >>>>>> >>>>>> [1] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1447664 >>>>>> >>>>>> Kai-Heng >>>>> Thank you for reporting. We will check and update you. >>>> With link aware mode, the clock speed could be slow and boot code does not >>>> complete within the expected time with lower link speeds. Need to override >>>> and the clock in driver. We are checking the feasibility of adding >>>> this in driver or firmware. >>> >>> Hi Kai-Heng, >>> >>> Can you please test the attached patch? >> >> I built a kernel and asked affected users to try. > > Users reported that the crash still happens with the patch. > > Kai-Heng > Thanks for the feedback. We will re-work on the patch and soon provide you the update. >> >> Thanks for your work. >> >> Kai-Heng >> >>> >>> Thanks, >>> Satish >>> >