Neil, closing out for now. If it's reproducible with a supported release/stack, please feel free to reopen.
** Changed in: linux (Ubuntu) Status: Incomplete => Invalid -- 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: Invalid 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