From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756547AbcAHVBr (ORCPT ); Fri, 8 Jan 2016 16:01:47 -0500 Received: from mail-pf0-f178.google.com ([209.85.192.178]:33604 "EHLO mail-pf0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751859AbcAHVBq (ORCPT ); Fri, 8 Jan 2016 16:01:46 -0500 Date: Fri, 8 Jan 2016 13:01:39 -0800 From: Alexei Starovoitov To: Srikar Dronamraju Cc: Ingo Molnar , Arnaldo Carvalho de Melo , LKML , Linus Torvalds , Alexei Starovoitov , "David S. Miller" , Anshuman Khandual Subject: Re: perf list segfaults on the v4.4-rc8 (bisect log added) Message-ID: <20160108210138.GA12833@ast-mbp.thefacebook.com> References: <20160108203941.GA17012@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160108203941.GA17012@linux.vnet.ibm.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jan 09, 2016 at 02:09:41AM +0530, Srikar Dronamraju wrote: > With latest mainline perf, perf list results in a Segmentation fault on > a powerpc machine. > > $ ./perf list > Segmentation fault (core dumped) > $ .. > Attached is the patch that causes this issue for quick reference. > > From a43eec304259a6c637f4014a6d4767159b6a3aa3 Mon Sep 17 00:00:00 2001 > From: Alexei Starovoitov > Date: Tue, 20 Oct 2015 20:02:34 -0700 > Subject: [PATCH] bpf: introduce bpf_perf_event_output() helper https://lkml.org/lkml/2016/1/8/330 this pull req contains the fix. Pls double check.