Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752193AbdDCJEI (ORCPT ); Mon, 3 Apr 2017 05:04:08 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:57929 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751403AbdDCJEG (ORCPT ); Mon, 3 Apr 2017 05:04:06 -0400 Subject: Re: [PowerPC][next-20170324][kselftest] kernel Oops when running tm/tm-signal-context-chk-vsx From: Abdul Haleem To: Michael Ellerman Cc: Stephen Rothwell , linuxppc-dev , linux-kernel , Cyril Bur Date: Mon, 03 Apr 2017 14:33:51 +0530 In-Reply-To: <1491209923.7788.9.camel@abdul.in.ibm.com> References: <1490612559.8344.15.camel@abdul.in.ibm.com> <871sthbu12.fsf@concordia.ellerman.id.au> <1491209923.7788.9.camel@abdul.in.ibm.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-TM-AS-MML: disable x-cbid: 17040309-0012-0000-0000-000003DA7F93 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17040309-0013-0000-0000-00001B60A90A Message-Id: <1491210231.7788.12.camel@abdul.in.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-04-03_05:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1702020001 definitions=main-1704030082 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 969 Lines: 38 On Mon, 2017-04-03 at 14:28 +0530, Abdul Haleem wrote: > On Tue, 2017-03-28 at 21:00 +1100, Michael Ellerman wrote: > > Abdul Haleem writes: > > > > > Hi, > > > > > > While running kernel self tests on ppc64, tm/tm-signal-context-chk-vsx > > > tests fails with Oops message. > > > > > > I was able to reproduce only twice out of 20 runs on next-20170324 only. > > > so it is difficult to bisect the commit causing the issue. > > > > Can you try mainline as of this commit: > > > > 605df8d674ac ("selftests/powerpc: Replace stxvx and lxvx with stxvd2x/lxvd2x") > > > > https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=605df8d674ac65e044a0bf4998b28c2f350b7f9e > > > > cheers > > > > > Trace is not reproducible on mainline with above commit. > > Cyril was able to reproduce it and is working on it. > > > > cc Cyril Bur -- Regard's Abdul Haleem IBM Linux Technology Centre