From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030434AbWGMWP7 (ORCPT ); Thu, 13 Jul 2006 18:15:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030438AbWGMWP6 (ORCPT ); Thu, 13 Jul 2006 18:15:58 -0400 Received: from e31.co.us.ibm.com ([32.97.110.149]:12162 "EHLO e31.co.us.ibm.com") by vger.kernel.org with ESMTP id S1030434AbWGMWPq (ORCPT ); Thu, 13 Jul 2006 18:15:46 -0400 Subject: Re: 18rc1 soft lockup From: john stultz To: Dave Jones Cc: Linux Kernel , Roman Zippel In-Reply-To: <20060713220722.GA3371@redhat.com> References: <20060711190346.GK5362@redhat.com> <1152645227.760.9.camel@cog.beaverton.ibm.com> <20060711191658.GM5362@redhat.com> <20060713220722.GA3371@redhat.com> Content-Type: text/plain Date: Thu, 13 Jul 2006 15:15:43 -0700 Message-Id: <1152828943.6845.107.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2006-07-13 at 18:07 -0400, Dave Jones wrote: > On Tue, Jul 11, 2006 at 03:16:58PM -0400, Dave Jones wrote: > > On Tue, Jul 11, 2006 at 12:13:47PM -0700, john stultz wrote: > > > On Tue, 2006-07-11 at 15:03 -0400, Dave Jones wrote: > > > > Just saw this during boot of a HT P4 box. > > > > > > > > BUG: soft lockup detected on CPU#0! > > > > [] show_trace_log_lvl+0x54/0xfd > > > > [] show_trace+0xd/0x10 > > > > [] dump_stack+0x19/0x1b > > > > [] softlockup_tick+0xa5/0xb9 > > > > [] run_local_timers+0x12/0x14 > > > > [] update_process_times+0x3c/0x61 > > > > [] smp_apic_timer_interrupt+0x6d/0x75 > > > > [] apic_timer_interrupt+0x2a/0x30 > > > > > > That's clocksource_adjust/lost tick bug. Roman's fix landed in Linus' > > > -git yesterday. > > > > Ah, that was actually a .18rc1-git3 tree. I notice a git4 just appeared, > > I'll try and reproduce with that. > > Just when I thought it had gotten fixed.. > 2.6.18rc1-git6 this time on x86-64.. > > BUG: soft lockup detected on CPU#3! > > Call Trace: > [] show_trace+0xaa/0x23d > [] dump_stack+0x15/0x17 > [] softlockup_tick+0xd5/0xea > [] run_local_timers+0x13/0x15 > [] update_process_times+0x4c/0x79 > [] smp_local_timer_interrupt+0x2b/0x50 > [] smp_apic_timer_interrupt+0x58/0x62 > [] apic_timer_interrupt+0x6a/0x70 Hmmm.. grumble. Was this on bootup, or after some time period? I'm looking into it. thanks for the report -john