From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262464AbVCaA37 (ORCPT ); Wed, 30 Mar 2005 19:29:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262688AbVCaA36 (ORCPT ); Wed, 30 Mar 2005 19:29:58 -0500 Received: from viper.oldcity.dca.net ([216.158.38.4]:7890 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S262464AbVCaA3g (ORCPT ); Wed, 30 Mar 2005 19:29:36 -0500 Subject: 2.6.12-rc1-RT-V0.7.41-15: it_real_fn oops on boot in run_timer_softirq From: Lee Revell To: linux-kernel Cc: Ingo Molnar Content-Type: text/plain Date: Wed, 30 Mar 2005 19:29:30 -0500 Message-Id: <1112228970.19975.7.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.2.1.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Since 2.6.12-rc1-RT something I get this Oops on boot about 50% of the time. It's clearly some kind of race because if I just reboot again it works. Seems to happen shortly after ksoftirqd startup (maybe the first time we hit the timer softirq?). This is (lazily) hand copied and incomplete, but hopefully is enough info... EIP is at it_real_fn+0x2f/0x70 eax 0 ebx df9020f0 ecx 1 edx c0019b49 esi 0 edi " " ebp dffd5f44 esp dffd5f34 ds 7b es 7b ss 68 preempt 1 process ksoftirqd/0, pid 2, tid dffd4000, task dffd1110 call trace show_stack show_registers die do_page_fault error_code run_timer_softirq ___do_softirq _do_softirq ksoftirqd kthread kthread_helper Lee