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Message-ID: <5497F3C0.9000205@gmail.com> Date: Mon, 22 Dec 2014 18:34:40 +0800 From: zhuyj <zyjzyj2000@...il.com> To: Mike Galbraith <bitbucket@...ine.de>, astx <astx@...-it.at> CC: linux-kernel@...r.kernel.org, netdev <netdev@...r.kernel.org>, zyjzyj2000@...il.com Subject: Re: OOPS in nf_ct_unlink_expect_report using Polycom RealPresence Mobile 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: [<f8214f07>] 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:[<f8214f07>] 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: >> [<c0244bd8>] ? del_timer+0x48/0x70 >> [<f8215687>] nf_ct_remove_expectations+0x47/0x60 [nf_conntrack] >> [<f8211c99>] nf_ct_delete_from_lists+0x59/0x90 [nf_conntrack] >> [<f8212e5e>] death_by_timeout+0x14e/0x1c0 [nf_conntrack] >> [<f8212d10>] ? nf_conntrack_set_hashsize+0x190/0x190 [nf_conntrack] >> [<c024442d>] call_timer_fn+0x1d/0x80 >> [<c024461e>] run_timer_softirq+0x18e/0x1a0 >> [<f8212d10>] ? nf_conntrack_set_hashsize+0x190/0x190 [nf_conntrack] >> [<c023e6f3>] __do_softirq+0xa3/0x170 >> [<c023e650>] ? __local_bh_enable+0x70/0x70 >> <IRQ> >> [<c023e587>] ? irq_exit+0x67/0xa0 >> [<c0202af6>] ? do_IRQ+0x46/0xb0 >> [<c027ad05>] ? clockevents_notify+0x35/0x110 >> [<c066ac6c>] ? common_interrupt+0x2c/0x40 >> [<c056e3c1>] ? cpuidle_enter_state+0x41/0xf0 >> [<c056e6fb>] ? cpuidle_idle_call+0x8b/0x100 >> [<c02085f8>] ? arch_cpu_idle+0x8/0x30 >> [<c027314b>] ? cpu_idle_loop+0x4b/0x140 >> [<c0273258>] ? cpu_startup_entry+0x18/0x20 >> [<c066056d>] ? rest_init+0x5d/0x70 >> [<c0813ac8>] ? start_kernel+0x2ec/0x2f2 >> [<c081364f>] ? repair_env_string+0x5b/0x5b >> [<c0813269>] ? 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: [<f8214f07>] 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@...r.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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