From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from merlin.infradead.org ([205.233.59.134]:43544 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757693Ab3GWPQE (ORCPT ); Tue, 23 Jul 2013 11:16:04 -0400 Message-ID: <51EE9E1C.3040708@kernel.dk> Date: Tue, 23 Jul 2013 09:15:40 -0600 From: Jens Axboe MIME-Version: 1.0 Subject: Re: segmentation fault on power system References: <20130723101359.GC2152@localhost.localdomain> <51EE5997.6070804@enovance.com> In-Reply-To: <51EE5997.6070804@enovance.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: Erwan Velu Cc: Han Pingtian , fio@vger.kernel.org On 07/23/2013 04:23 AM, Erwan Velu wrote: > On 23/07/2013 12:13, Han Pingtian wrote: >> Hey there, >> >> When trying to run fio on one of our power system, segmentation fault >> > Can you give us the kind of cpu you are using ? (/proc/cpuinfo) > I'm not used with PPC but maybe your processor doesn't support ATBU call > on mfspr. That is definitely the problem, so CPU info would help. In the mean time, you can use clocksource=clock_gettime to get rid of the illegal instruction. -- Jens Axboe