From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754639AbXFDL5O (ORCPT ); Mon, 4 Jun 2007 07:57:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753688AbXFDL5A (ORCPT ); Mon, 4 Jun 2007 07:57:00 -0400 Received: from frankvm.xs4all.nl ([80.126.170.174]:55212 "EHLO janus.localdomain" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752938AbXFDL47 (ORCPT ); Mon, 4 Jun 2007 07:56:59 -0400 Date: Mon, 4 Jun 2007 13:56:57 +0200 From: Frank van Maarseveen To: linux-kernel@vger.kernel.org Subject: apic related BUG: soft lockup detected on CPU#0! Message-ID: <20070604115657.GA12941@janus> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org FYI, 2.6.21.1, tainted with ATI fglrx driver (so maybe take it with a grain of salt): When I attempted to kill -9 an unresponsive looping X server (desktop processes were gone at that time) the system locked up and reported the following: BUG: soft lockup detected on CPU#0! [] show_trace_log_lvl+0x19/0x30 [] show_trace+0x12/0x20 [] dump_stack+0x14/0x20 [] softlockup_tick+0xa2/0xc0 [] run_local_timers+0x12/0x20 [] update_process_times+0x5d/0x90 [] tick_sched_timer+0x4f/0xb0 [] hrtimer_interrupt+0x177/0x1e0 [] local_apic_timer_interrupt+0x57/0x60 [] smp_apic_timer_interrupt+0x23/0x40 [] apic_timer_interrupt+0x28/0x30 ======================= -- Frank