From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762083Ab2FHKVZ (ORCPT ); Fri, 8 Jun 2012 06:21:25 -0400 Received: from mail.profihost.ag ([85.158.179.208]:42192 "EHLO mail.profihost.ag" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751276Ab2FHKVX (ORCPT ); Fri, 8 Jun 2012 06:21:23 -0400 X-Greylist: delayed 400 seconds by postgrey-1.27 at vger.kernel.org; Fri, 08 Jun 2012 06:21:22 EDT Message-ID: <4FD1D090.2060904@profihost.ag> Date: Fri, 08 Jun 2012 12:14:40 +0200 From: Philipp Herz - Profihost AG Reply-To: p.herz@profihost.ag User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: Linux Kernel Mailing List Subject: stalled CPUs after upgrading to 3.0.28 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-User-Auth: Auth by p.herz@profihost.ag through 85.158.179.66 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, after upgrading linux kernel to version 3.0.28 some systems randomly freeze, because of "rcu_sched_state" stalling CPU(s). Is there anything known to this problem? How can it be fixed? Thanks and regards, Philipp +------------------------------------------------------------------+ INFO: rcu_sched_state detected stall on CPU 3 (t=6361556 jiffies) sending NMI to all CPUs: NMI backtrace for cpu 2 CPU 2 Modules linked in: xt_tcpudp coretemp k8temp ipt_REJECT iptable_filter ip_tables x_tables ipv6 i2c_i801 i2c_core [last unloaded: scsi_wait_scan] Pid: 24170, comm: httpd Not tainted 2.6.40.28p4 #1 FUJITSU SIEMENS D2581-A5 /D2581-A5 RIP: 0010:[] [] _raw_spin_lock+0x19/0x20 RSP: 0018:ffff8801153e5dd8 EFLAGS: 00000293 RAX: 000000000000056d RBX: ffff88010d2846d0 RCX: 0000000000000000 RDX: 000000000000056a RSI: 0000000000000003 RDI: ffff88010d2846d0 RBP: ffff8801153e5dd8 R08: ffff8801153e5e58 R09: dead000000100100 R10: 0000000000000000 R11: ffffea0003e2eb28 R12: ffff8801153e5e58 R13: ffff8801153e5e70 R14: ffff880012855348 R15: ffff8801153e5e58 FS: 00007f1ea2c2a740(0000) GS:ffff88013fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1ea00ee7e5 CR3: 0000000133ed7000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process httpd (pid: 24170, threadinfo ffff8801153e4000, task ffff880132180000)Stack: ffff8801153e5df8 ffffffff8129a0f4 ffff8801153e5e18 0000000000c30003 ffff8801153e5e18 ffffffff8129a120 ffff8801153e5e18 ffff88013b2e4060 ffff8801153e5ea8 ffffffff8129c942 ffff8801395b1a40 ffff880100c30003