This bug is missing log files that will aid in diagnosing the problem. >From a terminal window please run:
apport-collect 1615681 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1615681 Title: BUG: unable to handle kernel paging request at ffff820504022108 Status in linux package in Ubuntu: Incomplete Bug description: We get this kernel panic while running trusty with 3.19.0-26-generic. It seems there is a bug in nf_nat module, I got kdump, if needed, I will upload. [702076.560806] BUG: unable to handle kernel paging request at ffff820504022108 [702076.564428] IP: [<ffffffffc049e1c6>] nf_nat_setup_info+0x236/0x360 [nf_nat] [702076.567971] PGD 0 [702076.571349] Oops: 0002 [#1] SMP [702076.574656] Modules linked in: xt_nat iptable_nat nf_nat_ipv4 sch_sfq sch_htb xt_comment xt_iprange xt_physdev act_police cls_u32 sch_ingress ebt_dnat ebt_ip ebtable_nat ebt_arp veth xt_conntrack nbd nf_conntrack_netlink xt_TCPMSS xt_CT xt_set ip_set_hash_net ip_set nfnetlink iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter netconsole configfs xt_CHECKSUM xt_tcpudp iptable_mangle ip_tables x_tables bonding intel_rapl(E) iosf_mbi x86_pkg_temp_thermal(E) nf_nat intel_powerclamp(E) nf_conntrack_pptp nf_conntrack_proto_gre coretemp(E) br_netfilter crct10dif_pclmul ipmi_ssif(E) crc32_pclmul ghash_clmulni_intel aesni_intel bridge stp aes_x86_64 llc lrw ipmi_devintf(E) nf_conntrack_ipv4 gf128mul nf_defrag_ipv4 glue_helper ablk_helper cryptd mxm_wmi(E) dcdbas(E) sb_edac(E) mei_me(E) [702076.613908] nf_conntrack mei(E) lpc_ich(E) edac_core(E) drbd(OE) ipmi_si(E) ipmi_msghandler 8250_fintek(E) shpchp(E) vhost_net vhost acpi_power_meter(E) macvtap wmi(E) macvlan mac_hid(E) kvm_intel kvm lp xfs parport libcrc32c ahci megaraid_sas(E) libahci tg3(E) ixgbe(OE) dca(E) vxlan ip6_udp_tunnel udp_tunnel ptp pps_core [702076.638776] CPU: 19 PID: 0 Comm: swapper/19 Tainted: G OE 3.19.0-26-generic #28~14.04.1 [702076.649826] Hardware name: Dell Inc. PowerEdge R730/0WCJNT, BIOS 2.1.5 04/11/2016 [702076.661111] task: ffff883011c49d70 ti: ffff881812224000 task.ti: ffff881812224000 [702076.672654] RIP: 0010:[<ffffffffc049e1c6>] [<ffffffffc049e1c6>] nf_nat_setup_info+0x236/0x360 [nf_nat] [702076.684662] RSP: 0018:ffff88301eb235b8 EFLAGS: 00010286 [702076.690647] RAX: ffff882fbcd21700 RBX: ffff882f17b1bd40 RCX: ffff820504022100 [702076.702499] RDX: ffff88180fb7f038 RSI: 000000003637ced5 RDI: ffffffffc04a04a0 [702076.714455] RBP: ffff88301eb23668 R08: 0000000000000000 R09: ffff88301eb235b8 [702076.726823] R10: ffff88301eb23560 R11: ffff88300eeb8000 R12: 000000000006fe07 [702076.739167] R13: 0000000000000000 R14: ffffffff81cda040 R15: ffff88301eb23678 [702076.751481] FS: 0000000000000000(0000) GS:ffff88301eb20000(0000) knlGS:0000000000000000 [702076.763823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [702076.770007] CR2: ffff820504022108 CR3: 0000000001c16000 CR4: 00000000001427e0 [702076.782162] Stack: [702076.788035] 000000002755e673 0000000000000000 a402c68b0002259b 0000000000000000 [702076.799835] 0006500000000000 000000002755e673 0000000000000000 a402c68b0002259b [702076.811642] 0000000000000000 0006500000000000 ffff88300db05800 ffff8830001b0e70 [702076.823573] Call Trace: [702076.829377] <IRQ> [702076.829447] [702076.835069] [<ffffffffc049e342>] __nf_nat_alloc_null_binding+0x52/0x80 [nf_nat] [702076.846350] [<ffffffffc049e391>] nf_nat_alloc_null_binding+0x21/0x30 [nf_nat] [702076.857721] [<ffffffffc05d283d>] nf_nat_ipv4_fn+0x1dd/0x230 [nf_nat_ipv4] [702076.863548] [<ffffffffc05d7020>] ? iptable_nat_ipv4_fn+0x20/0x20 [iptable_nat] [702076.874933] [<ffffffffc0518580>] ? br_parse_ip_options+0x1b0/0x1b0 [br_netfilter] [702076.886328] [<ffffffffc05d2968>] nf_nat_ipv4_out+0x48/0xf0 [nf_nat_ipv4] [702076.892120] [<ffffffffc0518580>] ? br_parse_ip_options+0x1b0/0x1b0 [br_netfilter] [702076.903384] [<ffffffffc05d7085>] iptable_nat_ipv4_out+0x15/0x20 [iptable_nat] [702076.914648] [<ffffffff816dcb1a>] nf_iterate+0x9a/0xb0 [702076.920275] [<ffffffffc0518580>] ? br_parse_ip_options+0x1b0/0x1b0 [br_netfilter] [702076.931324] [<ffffffff816dcba4>] nf_hook_slow+0x74/0x130 [702076.936913] [<ffffffffc0518580>] ? br_parse_ip_options+0x1b0/0x1b0 [br_netfilter] [702076.947932] [<ffffffffc05188a3>] br_nf_post_routing+0x283/0x370 [br_netfilter] [702076.959286] [<ffffffffc0458c30>] ? deliver_clone+0x60/0x60 [bridge] [702076.965049] [<ffffffffc0458c30>] ? deliver_clone+0x60/0x60 [bridge] [702076.970612] [<ffffffff816dcb1a>] nf_iterate+0x9a/0xb0 [702076.976050] [<ffffffffc0458c30>] ? deliver_clone+0x60/0x60 [bridge] [702076.981437] [<ffffffff816dcba4>] nf_hook_slow+0x74/0x130 [702076.986715] [<ffffffffc0458c30>] ? deliver_clone+0x60/0x60 [bridge] [702076.992071] [<ffffffffc0458fc0>] ? br_flood+0x160/0x160 [bridge] [702076.997487] [<ffffffffc0459012>] br_forward_finish+0x52/0x60 [bridge] [702077.002855] [<ffffffffc0518a5b>] br_nf_forward_finish+0xcb/0x1d0 [br_netfilter] [702077.013278] [<ffffffffc0518d8c>] br_nf_forward_ip+0x22c/0x400 [br_netfilter] [702077.023700] [<ffffffffc0458fc0>] ? br_flood+0x160/0x160 [bridge] [702077.029033] [<ffffffffc0458fc0>] ? br_flood+0x160/0x160 [bridge] [702077.034166] [<ffffffff816dcb1a>] nf_iterate+0x9a/0xb0 [702077.039182] [<ffffffffc0458fc0>] ? br_flood+0x160/0x160 [bridge] [702077.044116] [<ffffffff816dcba4>] nf_hook_slow+0x74/0x130 [702077.048952] [<ffffffffc0458fc0>] ? br_flood+0x160/0x160 [bridge] [702077.053787] [<ffffffffc04591d0>] __br_forward+0xb0/0xf0 [bridge] [702077.058482] [<ffffffffc04594c3>] br_forward+0x93/0xb0 [bridge] [702077.063064] [<ffffffffc045a3cb>] br_handle_frame_finish+0x13b/0x540 [bridge] [702077.071975] [<ffffffffc0519438>] br_nf_pre_routing_finish+0x138/0x3e0 [br_netfilter] [702077.081089] [<ffffffffc0519993>] br_nf_pre_routing+0x2b3/0x67d [br_netfilter] [702077.090349] [<ffffffffc045a290>] ? br_handle_local_finish+0x90/0x90 [bridge] [702077.099691] [<ffffffff816dcb1a>] nf_iterate+0x9a/0xb0 [702077.104349] [<ffffffffc045a290>] ? br_handle_local_finish+0x90/0x90 [bridge] [702077.113680] [<ffffffff816dcba4>] nf_hook_slow+0x74/0x130 [702077.118542] [<ffffffffc045a290>] ? br_handle_local_finish+0x90/0x90 [bridge] [702077.128284] [<ffffffffc045a958>] br_handle_frame+0x188/0x250 [bridge] [702077.133363] [<ffffffffc00c36cd>] ? ixgbe_clean_rx_irq+0x84d/0x1030 [ixgbe] [702077.138488] [<ffffffff816a9e42>] __netif_receive_skb_core+0x1b2/0x790 [702077.143624] [<ffffffff816aa438>] __netif_receive_skb+0x18/0x60 [702077.148671] [<ffffffff816ab1a6>] process_backlog+0xa6/0x150 [702077.153592] [<ffffffff816aa8f9>] net_rx_action+0x159/0x340 [702077.158403] [<ffffffff81078ee4>] __do_softirq+0xe4/0x270 [702077.163088] [<ffffffff810792ad>] irq_exit+0x9d/0xb0 [702077.167676] [<ffffffff817b986a>] do_IRQ+0x5a/0xf0 [702077.172319] [<ffffffff817b766d>] common_interrupt+0x6d/0x6d [702077.176967] <EOI> [702077.177035] [702077.181593] [<ffffffff8164fed0>] ? cpuidle_enter_state+0x70/0x170 [702077.186279] [<ffffffff8164febd>] ? cpuidle_enter_state+0x5d/0x170 [702077.190914] [<ffffffff81650087>] cpuidle_enter+0x17/0x20 [702077.195573] [<ffffffff810b5404>] cpu_startup_entry+0x334/0x3d0 [702077.200246] [<ffffffff810e9d63>] ? clockevents_register_device+0xe3/0x140 [702077.204961] [<ffffffff81048cf7>] start_secondary+0x197/0x1c0 [702077.209553] Code: c0 0f 84 3e 01 00 00 48 01 d0 48 89 58 10 49 8b 96 98 0b 00 00 4a 8d 14 e2 48 8b 0a 48 89 50 08 48 89 08 48 85 c9 48 89 02 74 04 <48> 89 41 08 48 c7 c7 a0 04 4a c0 e8 5a 82 31 c1 48 81 8b 80 00 [702077.223475] RIP [<ffffffffc049e1c6>] nf_nat_setup_info+0x236/0x360 [nf_nat] [702077.228017] RSP <ffff88301eb235b8> [702077.232409] CR2: ffff820504022108 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1615681/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp