From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754697AbXLVX7k (ORCPT ); Sat, 22 Dec 2007 18:59:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752844AbXLVX7d (ORCPT ); Sat, 22 Dec 2007 18:59:33 -0500 Received: from waste.org ([66.93.16.53]:38399 "EHLO waste.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752714AbXLVX7d (ORCPT ); Sat, 22 Dec 2007 18:59:33 -0500 Subject: ACPI or radeon: spontaneous reboot regression From: Matt Mackall To: "linux-kernel@vger.kernel.org" Cc: linux-acpi@vger.kernel.org, benh@kernel.crashing.org, rjw@sisk.pl Content-Type: text/plain Date: Sat, 22 Dec 2007 17:58:56 -0600 Message-Id: <1198367937.8260.6.camel@cinder.waste.org> Mime-Version: 1.0 X-Mailer: Evolution 2.12.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org With 2.6.24-rc2, plugging and unplugging power results in a sudden reboot. After the reboot, the machine boots normally until it switches to graphics mode, at which point the screen is scrambled. It may hang or repeatedly reboot at this point. Easily repeatable after just a few plug cycles. Switching back to 2.6.23-rc3-mm1, I can do a dozen plug cycles with no problem. Machine is a Thinkpad R51, with R250: 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon R250 [Mobility FireGL 9000] (rev 02) (starting bisection) -- Mathematics is the supreme nostalgia of our time.