Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754129AbdIFMwz (ORCPT ); Wed, 6 Sep 2017 08:52:55 -0400 Received: from Galois.linutronix.de ([146.0.238.70]:48666 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753828AbdIFMwy (ORCPT ); Wed, 6 Sep 2017 08:52:54 -0400 Date: Wed, 6 Sep 2017 14:52:51 +0200 (CEST) From: Thomas Gleixner To: Markus Trippelsdorf cc: Peter Zijlstra , linux-kernel@vger.kernel.org, Ingo Molnar Subject: Re: Current mainline git (24e700e291d52bd2) hangs when building e.g. perf In-Reply-To: <20170905095547.GA286@x4> Message-ID: References: <20170905072738.GA277@x4> <20170905085350.cgi7shvnillbikow@hirez.programming.kicks-ass.net> <20170905095547.GA286@x4> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 392 Lines: 14 On Tue, 5 Sep 2017, Markus Trippelsdorf wrote: > On 2017.09.05 at 10:53 +0200, Peter Zijlstra wrote: > > > Any ideas on how to debug this further? > > > > So you have a (real) serial line on that box? > > Sadly, no. But hopefully somebody else (with a proper kernel debugging > setup) will reproduce the issue soon. Does the machine respond to ping or is it entirely dead? Thanks, tglx