From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752072AbXDDV4p (ORCPT ); Wed, 4 Apr 2007 17:56:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752016AbXDDV4o (ORCPT ); Wed, 4 Apr 2007 17:56:44 -0400 Received: from py-out-1112.google.com ([64.233.166.178]:47574 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752072AbXDDV4n (ORCPT ); Wed, 4 Apr 2007 17:56:43 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:subject:from:to:cc:in-reply-to:references:content-type:date:message-id:mime-version:x-mailer:content-transfer-encoding; b=DXFt27/cgQxMhF0XD8qqnuCPfmc2jLi7BzBw7GhEq9rObzrl6ieSQcMtVnyIcovPHGTXeKDNuk4m7Ucm111R+sXYJD6NcR5ONb2sz7WKIQ2ZqSzJAt69vC2HowPgJ39YKOn25Bsbk9UBdHQv0q7yFRRzPteHJg2K7XzfB5yKaZQ= Subject: Re: 2.6.21-rc5-mm4 From: "Antonino A. Daplas" To: Andrew Morton Cc: linux-kernel@vger.kernel.org In-Reply-To: <20070402224745.71a25af7.akpm@linux-foundation.org> References: <20070402224745.71a25af7.akpm@linux-foundation.org> Content-Type: text/plain Date: Thu, 05 Apr 2007 05:56:35 +0800 Message-Id: <1175723795.4014.6.camel@daplas> Mime-Version: 1.0 X-Mailer: Evolution 2.8.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2007-04-02 at 22:47 -0700, Andrew Morton wrote: > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc5/2.6.21-rc5-mm4/ > > - The oops in git-net.patch has been fixed, so that tree has been restored. > It is huge. > > - Added the device-mapper development tree to the -mm lineup (Alasdair > Kergon). It is a quilt tree, living at > ftp://ftp.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/. > > - Added davidel's signalfd stuff. > > > I'm getting a kernel panic intermittently, approximately 50% of boots. The tracing is not always the same, but it always dies on an atomic_bitop operation. Here are two hand-copied tracings (for the life of me, I can't make netconsole work). /---------------------------First Tracing----------------------/ Oops: 0000 [#1] last sysfs file: class/firmware/microcode Modules linked in: ... .... ... CPU: 0 EIP: ... EFLAGS:... EIP is at find_next_zero_bit ... ... ... Process set_disk_settin Call Trace: show_trace_log show_stack_log show_register die do_page_fault error_code recalc_task_prio activate_task try_to_wake_up deault_wake_function __wake_up_common __wake_up sock_def_readable soc_queue_rev_skb udp_queue_rcv_skb __udp4_libr_rcv udp_rcv ip_local_delivery ip_rcv netif_receive_skb rtl8139_poll net_rx_action __do_soft_irq do_softirq irq_exit do_IRQ common_interrupt /---------------------- Second Tracing --------------------------/ CPU: 0 EIP: ... EFLAGS:... EIP is at find_next_zero_bit ... ... ... Process sshd Call Trace: show_trace_log show_stack_log show_register die do_page_fault error_code recalc_task_prio enqueue_task activate_task try_to_wake_up wake_up_state signal_wake_up __group_complete_signal __group_send_signal group_send_sig_info send_group_sig_info it_real_fn run_hrtimer_softirq __do_softirq irq_exit smp_apic_timer_interrupt apic_timer_interrupt error_code EIP: [. find_next_zero_bit+... Tony PS: I might try use a serial console and bisection, but this might take me a few days.