Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752738AbbHEOrK (ORCPT ); Wed, 5 Aug 2015 10:47:10 -0400 Received: from arcturus.aphlor.org ([188.246.204.175]:43932 "EHLO arcturus.aphlor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751464AbbHEOrI (ORCPT ); Wed, 5 Aug 2015 10:47:08 -0400 Date: Wed, 5 Aug 2015 10:46:35 -0400 From: Dave Jones To: Frederic Weisbecker Cc: Sasha Levin , paulmck@linux.vnet.ibm.com, Linux Kernel , Josh Triplett , Peter Zijlstra Subject: Re: 4.2-rc5 rcu stalls. Message-ID: <20150805144635.GA5049@codemonkey.org.uk> Mail-Followup-To: Dave Jones , Frederic Weisbecker , Sasha Levin , paulmck@linux.vnet.ibm.com, Linux Kernel , Josh Triplett , Peter Zijlstra References: <20150803210835.GA4467@codemonkey.org.uk> <20150803213723.GN27280@linux.vnet.ibm.com> <20150803215535.GA13717@codemonkey.org.uk> <20150803220355.GO27280@linux.vnet.ibm.com> <55C0458B.6080003@oracle.com> <20150805001250.GA22259@codemonkey.org.uk> <20150805123757.GA7051@lerouge> <20150805131857.GA596@codemonkey.org.uk> <20150805143813.GF7051@lerouge> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150805143813.GF7051@lerouge> User-Agent: Mutt/1.5.23 (2014-03-12) X-Spam-Score: -2.9 (--) X-Spam-Report: Spam report generated by SpamAssassin on "arcturus.aphlor.org" Content analysis details: (-2.9 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] X-Authenticated-User: davej@codemonkey.org.uk Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 992 Lines: 28 On Wed, Aug 05, 2015 at 04:38:14PM +0200, Frederic Weisbecker wrote: > > > Also did you just launch trinity? no specific options? > > > > basically > > > > while [ 1 ]; > > do > > trinity -N 1000000 -q -l off -C256 -a64 -x fsync -x fdatasync -x syncfs -x sync -P INET --enable-fds=sockets > > sudo ipcrm -a > > done > > > > (The ipcrm thing is needed for long runs or eventually you oom, because trinity lacks the cleanup smarts) > > Ok, can I run that safely on my testbox without it eating some of my files or should > I use some special purposed guest? I wouldn't run it on anything with data I cared about (even nfs mounts) While there are some safeguards, there might be some cases I've not thought about. Dave -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/