From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752249Ab0ILK25 (ORCPT ); Sun, 12 Sep 2010 06:28:57 -0400 Received: from silver.sucs.swan.ac.uk ([137.44.10.1]:45813 "EHLO silver.sucs.swan.ac.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751201Ab0ILK24 (ORCPT ); Sun, 12 Sep 2010 06:28:56 -0400 Date: Sun, 12 Sep 2010 11:28:54 +0100 From: Sitsofe Wheeler To: linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Ingo Molnar Subject: EeePC 900 reboots/hangs when using using perf -a -f -g Message-ID: <20100912102854.GA7359@sucs.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On an EeePC 900 running 2.6.36rc3 I've been finding that the laptop immediately reboots or hangs forever if I run perf -a -f -g xset dpms force off . I've got lockdep checking and stack overflow checking on but these don't make any difference. Using only -a -f doesn't show the problem. I have also found that disabling eeepc-laptop in the kernel config also removes the problem. Any suggestions? -- Sitsofe | http://sucs.org/~sits/