From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Pawe=c5=82_Staszewski?= Subject: Re: latest netdev net-next kernel panic Date: Fri, 8 Sep 2017 00:38:50 +0200 Message-ID: <8ae3175c-272c-decf-3b6e-014d67638b23@itcare.pl> References: <9f4c89c9-1a1b-39ec-6d8c-2c9e4c15911a@itcare.pl> <1504820388.15310.71.camel@edumazet-glaptop3.roam.corp.google.com> <2e7d813e-0ee9-ede6-7e0e-db2814b3cf94@itcare.pl> <91ae50fc-300a-2b92-7de0-ae512f364280@itcare.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Cc: Linux Kernel Network Developers To: Eric Dumazet Return-path: Received: from smtp16.iq.pl ([86.111.242.222]:33160 "EHLO smtp16.iq.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755564AbdIGWk4 (ORCPT ); Thu, 7 Sep 2017 18:40:56 -0400 In-Reply-To: <91ae50fc-300a-2b92-7de0-ae512f364280@itcare.pl> Content-Language: pl Sender: netdev-owner@vger.kernel.org List-ID: What is weird - changed in bios and enabled p-states and no panic from 30 minutes w  00:38:07 up 33 min,  2 users,  load average: 0.10, 0.13, 0.17 USER     TTY        LOGIN@   IDLE   JCPU   PCPU WHAT So the problem can be related to some cpu weird stuff with c/p states or it is random. W dniu 2017-09-08 o 00:08, Paweł Staszewski pisze: > Also this panic occured about 3 minutes after traffic rise to 40G > > before host was working without trafic for about 30minutes - after > traffic start to flow this bug start. > > Now i have this host without traffic and it is working for almost 1 > hour :) > > > > W dniu 2017-09-07 o 23:47, Paweł Staszewski pisze: >> Hi Eric >> >> >> today upgraded some host from 4.13.0-rc7+ to latest net-next from git >> >> and run some tests simulate clients traffic 40Gbit / 5Mpps mixed tcp >> + udp >> >> There is also bgpd running that feeds FIB with full bgp feed - about >> 700k prefixes (so routing tables is about 700k routes with about 300 >> nexthops) >> >> >> There is also simulated about 1000 ip neigh hosts (arp) with about >> 300 ip interfaces assigned on vlans >> >> >> >> With kernel 4.13.0-rc7+ (git from 05.09.2017) all tests are good >> (besides that there is panic after about 10 hours - every time same >> like in this link: >> >> https://bugzilla.kernel.org/attachment.cgi?id=258257 >> >> But looks like acpi related or c/p states with new intel cpus... dono >> now. >> >> >> >> >> W dniu 2017-09-07 o 23:39, Eric Dumazet pisze: >>> On Thu, 2017-09-07 at 23:30 +0200, Paweł Staszewski wrote: >>>> I want to mention also here cause last trace for RIP was dst_dev_put >>>> >>>> https://bugzilla.kernel.org/attachment.cgi?id=258259 >>> Can you provide a bit more context ? >>> >>> Thanks ! >>> >>> >>> >> >> > >