From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752548AbdATPTR (ORCPT ); Fri, 20 Jan 2017 10:19:17 -0500 Received: from smtprelay0195.hostedemail.com ([216.40.44.195]:39745 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752029AbdATPTQ (ORCPT ); Fri, 20 Jan 2017 10:19:16 -0500 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::,RULES_HIT:41:355:379:541:599:800:857:966:973:982:988:989:1260:1277:1311:1313:1314:1345:1359:1437:1515:1516:1518:1534:1541:1593:1594:1711:1730:1747:1777:1792:2196:2199:2393:2553:2559:2562:2691:2892:2898:3138:3139:3140:3141:3142:3353:3622:3865:3866:3867:3868:3870:3871:3872:3873:4250:4385:4470:5007:6119:6261:7875:7903:10004:10400:10848:10967:11232:11658:11914:12050:12294:12296:12346:12740:12760:12895:13069:13311:13357:13439:13891:14181:14659:14721:14777:21080:21324:21433:21525:30054:30070:30075:30090:30091,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0,LFtime:2,LUA_SUMMARY:none X-HE-Tag: shame73_50b04bbb79338 X-Filterd-Recvd-Size: 2231 Date: Fri, 20 Jan 2017 10:19:12 -0500 From: Steven Rostedt To: mitko@stz-bg.com Cc: "Paul E. McKenney" , Josh Triplett , linux-kernel@vger.kernel.org, Mathieu Desnoyers , Lai Jiangshan Subject: Re: BUG: rcu_sched detected stalls on CPUs Message-ID: <20170120101912.00498a6e@gandalf.local.home> In-Reply-To: References: X-Mailer: Claws Mail 3.14.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 20 Jan 2017 10:43:50 +0200 mitko@stz-bg.com wrote: > [1.] One line summary of the problem: > > rcu_sched detected stalls on CPUs and few minutes server not respond. Is this reproducible? Or was this a one time ordeal? > > [2.] Full description of the problem/report: > > Load of my server (postgres database) isnt big less then 0.50 and when > error occured rcu_sched detected stalls on CPUs > server freeze and nothing is work for 3-5 minute. > No network, no video signal, no keyboard, no mouse. Nothing is worked. > After these few minutes everything continue normal. > This usual is happend once per day. When I check in google find a lots > of ppl complain of this error, but no solution. > Do any one know can help me to resolve it ? I spoke with few friends and > they trying to convince me the problem is in CPU. > I did not believe after a 3 years working CPU suddenly stop working > correctly, but I might be wrong. > > [3.] Keywords (i.e., modules, networking, kernel): > > kernel > > [4.] Kernel information > [4.1.] Kernel version (from /proc/version): > > Linux version 4.4.38 (root@hive64) (gcc version 5.4.0 (GCC) ) #2 SMP Sun > Dec 11 16:11:02 CST 2016 > Have you tried a newer version of the kernel? -- Steve