(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
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