From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754339AbaLVKeo (ORCPT ); Mon, 22 Dec 2014 05:34:44 -0500 Received: from mail-pa0-f54.google.com ([209.85.220.54]:47158 "EHLO mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754151AbaLVKem (ORCPT ); Mon, 22 Dec 2014 05:34:42 -0500 Message-ID: <5497F3C0.9000205@gmail.com> Date: Mon, 22 Dec 2014 18:34:40 +0800 From: zhuyj User-Agent: Mozilla/5.0 (X11; Linux i686; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Mike Galbraith , astx CC: linux-kernel@vger.kernel.org, netdev , zyjzyj2000@gmail.com Subject: Re: OOPS in nf_ct_unlink_expect_report using Polycom RealPresence Mobile References: <20140131120527.Horde.-3YzQu5S8WWBx7vuVVNdBA2@aws-it.at> <1391174223.6395.3.camel@marge.simpson.net> In-Reply-To: <1391174223.6395.3.camel@marge.simpson.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Please check the number of iptables rule. Maybe it results from the big number of iptables rules. Best Regards! Zhu Yanjun On 01/31/2014 09:17 PM, Mike Galbraith wrote: > (CC netdev) > > On Fri, 2014-01-31 at 12:05 +0100, astx wrote: >> Using Polycom video conferencing software my homebrew linux NAT router >> crashes with attached kernel oops message. >> This error can be reproduced also using kernel 3.2.54. Kernel 2.6.35 >> seems to be stable. >> >> Disabling nf_nat_h323 and nf_conntrack_h323 avoids crash - but video >> conferencing software is no more usable. >> >> >> =================================================================================== >> BUG: unable to handle kernel paging request at 00100104 >> IP: [] nf_ct_unlink_expect_report+0x57/0xf0 [nf_conntrack] >> *pdpt = 00000000359aa001 *pde = 0000000000000000 >> Oops: 0002 [#1] SMP >> Modules linked in: nf_conntrack_netlink nfnetlink xt_mac xt_TCPMSS >> ipt_MASQUERADE >> xt_pkttype xt_multiport xt_REDIRECT xt_nat iptable_mangle xt_LOG >> xt_limit af_packet >> act_mirred cls_u32 sch_ingress sch_hfsc ifb xt_tcpudp ip6t_REJECT ipt_REJECT >> ip6table_raw iptable_raw xt_CT iptable_filter nf_nat_pptp nf_nat_proto_gre >> nf_conntrack_proto_udplite nf_conntrack_proto_dccp ip6table_mangle >> iptable_nat >> nf_nat_ipv4 nf_nat_sip nf_nat_irc nf_nat_snmp_basic nf_conntrack_snmp >> nf_conntrack_broadcast nf_nat_h323 nf_nat_tftp nf_nat_ftp nf_nat >> nf_conntrack_h323 >> nf_conntrack_tftp nf_conntrack_proto_sctp nf_conntrack_sip nf_conntrack_irc >> nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_ftp nf_conntrack_ipv4 >> nf_defrag_ipv4 ip_tables xt_conntrack nf_conntrack ip6table_filter ip6_tables >> x_tables padlock_sha padlock_aes e_powersaver freq_table mperf via_cputemp >> hwmon_vid serio_raw pcspkr i2c_viapro ehci_pci fan thermal processor 8139too >> sg thermal_sys button shpchp 8139cp pci_hotplug mii via_agp ext4 crc16 jbd2 >> pata_via sata_via libata sd_mod scsi_mod ohci_hcd uhci_hcd ehci_hcd >> CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.10.28-9500-smp_m #1 >> Hardware name: /CN700-8237, BIOS 6.00 PG 08/30/2007 >> task: c07ce180 ti: f6408000 task.ti: c07c2000 >> EIP: 0060:[] EFLAGS: 00210206 CPU: 0 >> EIP is at nf_ct_unlink_expect_report+0x57/0xf0 [nf_conntrack] >> EAX: 00100100 EBX: eb636bc0 ECX: 00000000 EDX: eb461540 >> ESI: c0804e00 EDI: eb461544 EBP: f6409f08 ESP: f6409eec >> DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 >> CR0: 8005003b CR2: 00100104 CR3: 359d4000 CR4: 000006b0 >> DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 >> DR6: ffff0ff0 DR7: 00000400 >> Stack: >> 00000000 00200286 f6409f08 c0244bd8 eb636bc0 00100100 00000000 f6409f18 >> f8215687 f598ede8 c0804e00 f6409f28 f8211c99 f598ede8 f598ee50 f6409f5c >> f8212e5e 00000003 00000000 00000000 00000004 eb461514 f598ede8 00000000 >> Call Trace: >> [] ? del_timer+0x48/0x70 >> [] nf_ct_remove_expectations+0x47/0x60 [nf_conntrack] >> [] nf_ct_delete_from_lists+0x59/0x90 [nf_conntrack] >> [] death_by_timeout+0x14e/0x1c0 [nf_conntrack] >> [] ? nf_conntrack_set_hashsize+0x190/0x190 [nf_conntrack] >> [] call_timer_fn+0x1d/0x80 >> [] run_timer_softirq+0x18e/0x1a0 >> [] ? nf_conntrack_set_hashsize+0x190/0x190 [nf_conntrack] >> [] __do_softirq+0xa3/0x170 >> [] ? __local_bh_enable+0x70/0x70 >> >> [] ? irq_exit+0x67/0xa0 >> [] ? do_IRQ+0x46/0xb0 >> [] ? clockevents_notify+0x35/0x110 >> [] ? common_interrupt+0x2c/0x40 >> [] ? cpuidle_enter_state+0x41/0xf0 >> [] ? cpuidle_idle_call+0x8b/0x100 >> [] ? arch_cpu_idle+0x8/0x30 >> [] ? cpu_idle_loop+0x4b/0x140 >> [] ? cpu_startup_entry+0x18/0x20 >> [] ? rest_init+0x5d/0x70 >> [] ? start_kernel+0x2ec/0x2f2 >> [] ? repair_env_string+0x5b/0x5b >> [] ? i386_start_kernel+0x33/0x35 >> Code: 8b 7b 0c 8b b6 98 00 00 00 85 c0 89 07 74 03 89 78 04 c7 43 0c 00 >> 02 20 00 83 ae ec 05 00 00 01 8b 03 8b 7b 04 85 c0 89 07 74 03 <89> 78 >> 04 8b 43 7c c7 03 00 01 10 00 c7 43 04 00 02 20 00 80 6c >> EIP: [] nf_ct_unlink_expect_report+0x57/0xf0 [nf_conntrack] >> SS:ESP 0068:f6409eec >> CR2: 0000000000100104 >> ---[ end trace 79fe2e6b81f54dee ]--- >> Kernel panic - not syncing: Fatal exception in interrupt >> Rebooting in 300 seconds.. >> =================================================================================== >> >> >> Polycom Version: 3.1-44477 >> running on device: Apple iPad Mini >> using operating system: iOS Version: 7.0.4 >> >> >> Attached also my kernel config. Hopefully someone could help... >> >> BR, Toni > > -- > To unsubscribe from this list: send the line "unsubscribe netdev" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >