Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757925AbZDLJAq (ORCPT ); Sun, 12 Apr 2009 05:00:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757391AbZDLJAg (ORCPT ); Sun, 12 Apr 2009 05:00:36 -0400 Received: from fg-out-1718.google.com ([72.14.220.158]:20501 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755673AbZDLJAe (ORCPT ); Sun, 12 Apr 2009 05:00:34 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; b=lQ4/al3RmNPrLcYaWeGnJ4IpThA/2BRCDIOlg8RbvBTY48Zp8rQB23Ua5HanZvHh7C ljAe907Fk3abpUs8ddH7hwoYsk7Q2U2nDuYsIwBh+Tfp6Ia5BGoQqTeZm1J+lmmlg85I ZKFcD6AnZOVIbDjrga80tA4N8n/EHrJrR81Zg= Message-ID: <49E1ADAE.2030103@tuffmail.co.uk> Date: Sun, 12 Apr 2009 10:00:30 +0100 From: Alan Jenkins User-Agent: Thunderbird 2.0.0.21 (X11/20090318) MIME-Version: 1.0 To: Tzy-Jye Daniel Lin CC: linux-acpi@vger.kernel.org, linux-kernel , Kernel Testers List Subject: Re: Regression: EEE PC hangs when booting off battery References: <49E065CF.6040408@tuffmail.co.uk> <66dc75180904111107q645fbb77i3cf927ffab7a7ef0@mail.gmail.com> In-Reply-To: <66dc75180904111107q645fbb77i3cf927ffab7a7ef0@mail.gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1683 Lines: 53 Tzy-Jye Daniel Lin wrote: > On Sat, Apr 11, 2009 at 5:41 AM, Alan Jenkins > wrote: > >> Regression #6 on latest git! (last known good is 2.6.29-rc8) >> >> Magic SysRQ keys work though. Unfortunately, SysRq-W / SysRq-T generate >> too much output, so the useful bits immediately scroll off the top of >> the screen. I can't press SysRq-P (even if that would help), because >> the SysRQ key on my laptop is accessed using a Fn modifier key, which >> also turns the left hand side of the keyboard into a numeric pad. >> > > I don't own an Eee, but having played with one, the key sequence > > Alt down > Fn down > SysRq down, up > Fn up > P down, up > Alt up > > should work just fine. As long as you keep holding Alt, you don't > need to continue holding SysRq after the initial keypress. > > >> Magic SysRQs on my USB keyboard generate no response. (Sometimes the >> numlock key seems to work though. I can't tell on the laptop keyboard >> because the laptop doesn't have a numlock led). >> > > SysRq over USB has never worked. On PC hardware, Magic SysRq depends > on features of the built-in i8042 controller, which only handles PS/2 > input. > Great, thanks a lot! I was able to run SysRq-P, and found the following backtrace - Pid: 0 EIP is at acpi_idle_enter_bm+0x1df/0x208 [processor] cpud_idle_call cpu_idle rest_init start_kernel i386_start_kernel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/