From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030378AbWD1Mys (ORCPT ); Fri, 28 Apr 2006 08:54:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030377AbWD1Mys (ORCPT ); Fri, 28 Apr 2006 08:54:48 -0400 Received: from aun.it.uu.se ([130.238.12.36]:36584 "EHLO aun.it.uu.se") by vger.kernel.org with ESMTP id S1030378AbWD1Mys (ORCPT ); Fri, 28 Apr 2006 08:54:48 -0400 From: Mikael Pettersson MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17490.4240.578291.222262@alkaid.it.uu.se> Date: Fri, 28 Apr 2006 14:54:40 +0200 To: linux-kernel@vger.kernel.org Subject: [BUG] 2.6.17-rc3 broke FP exceptions on x86 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Running an FP exception using user-space application (the runtime system for the Erlang programming language in my case) on an Athlon64 with a 32-bit 2.6.17-rc3 kernel quickly results in a complete system hang: mouse is dead, keyboard is dead, the network doesn't reply to pings. Had to reboot via the power switch to get the machine back. This happended twice in a row. With 2.6.17-rc2 things work fine like they always have before. Just FYI. I'll try to debug this this weekend if noone beats me to it. /Mikael