This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1734099 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 ** Tags added: artful -- 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/1734099 Title: tcp_input.c:2826 tcp_fastretrans_alert+0x7d0/0x990 Status in linux package in Ubuntu: Incomplete Bug description: Server reboot after multiple errors in dmesg: [80484.782020] ------------[ cut here ]------------ [80484.782043] WARNING: CPU: 0 PID: 0 at /build/linux-KM2a5S/linux-4.13.0/net/ipv4/tcp_input.c:2826 tcp_fastretrans_alert+0x7d0/0x990 [80484.782045] Modules linked in: ufs qnx4 hfsplus hfs minix ntfs msdos jfs vhost_net vhost tap ipt_REJECT nf_reject_ipv4 ebtable_filter ebtables iscsi_target_mod target_core_mod fcoe libfcoe libfc scsi_transport_fc hangcheck_timer xt_CHECKSUM xt_multiport ip6table_filter ip6t_MASQUERADE nf_nat_masquerade_ipv6 ip6table_nat ip6table_mangle ip6_tables xt_limit xt_NFLOG nfnetlink_log xt_physdev br_netfilter xt_comment xt_conntrack iptable_filter ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_REDIRECT nf_nat_redirect iptable_nat xt_tcpudp xt_mark 8021q garp mrp bridge xt_DSCP stp llc xt_owner iptable_mangle openvswitch nf_conntrack_ipv6 nf_nat_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_defrag_ipv6 nf_nat nf_conntrack_netlink nf_conntrack nfnetlink binfmt_misc dm_thin_pool dm_persistent_data dm_bio_prison [80484.782074] dm_bufio xfs amd64_edac_mod edac_mce_amd kvm_amd kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd zfs(PO) glue_helper cryptd zunicode(PO) zavl(PO) zcommon(PO) znvpair(PO) eeepc_wmi asus_wmi sparse_keymap video wmi_bmof uvcvideo fam15h_power k10temp videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_core videodev spl(O) media i2c_piix4 snd_usb_audio snd_usbmidi_lib snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm joydev input_leds snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore shpchp mac_hid dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua tcp_htcp cuse ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp [80484.782113] libiscsi nfsd scsi_transport_iscsi auth_rpcgss sbs sbshc nfs_acl lockd max6650 grace it87 hwmon_vid asus_atk0110 aoe sunrpc ip_tables x_tables autofs4 btrfs raid10 raid1 raid0 multipath linear raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c amdkfd amd_iommu_v2 radeon i2c_algo_bit hid_generic ttm drm_kms_helper e1000e firewire_ohci uas syscopyarea sysfillrect ptp firewire_core usbhid sysimgblt r8169 mxm_wmi usb_storage crc_itu_t fb_sys_fops mii hid pps_core drm ahci libahci wmi [80484.782142] CPU: 0 PID: 0 Comm: swapper/0 Tainted: P W O 4.13.0-17-generic #20-Ubuntu [80484.782143] Hardware name: To be filled by O.E.M. To be filled by O.E.M./SABERTOOTH 990FX, BIOS 1604 10/16/2012 [80484.782145] task: ffffffff86a10480 task.stack: ffffffff86a00000 [80484.782147] RIP: 0010:tcp_fastretrans_alert+0x7d0/0x990 [80484.782149] RSP: 0018:ffff97b23ec03940 EFLAGS: 00010202 [80484.782150] RAX: 0000000000000000 RBX: ffff97aa03b65800 RCX: ffff97b23ec039a4 [80484.782152] RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffff97aa03b65800 [80484.782153] RBP: ffff97b23ec03980 R08: 0000000000000000 R09: 0000000000000000 [80484.782154] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000005120 [80484.782156] R13: ffff97b23ec039ac R14: 0000000000000001 R15: ffff97b23ec039a4 [80484.782157] FS: 0000000000000000(0000) GS:ffff97b23ec00000(0000) knlGS:0000000000000000 [80484.782159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [80484.782160] CR2: 00007f121094e000 CR3: 00000003bb7ca000 CR4: 00000000000406f0 [80484.782162] Call Trace: [80484.782164] <IRQ> [80484.782169] ? sk_reset_timer+0x18/0x30 [80484.782171] tcp_ack+0x4ee/0x890 [80484.782173] tcp_rcv_established+0x323/0x770 [80484.782176] tcp_v4_do_rcv+0x90/0x1e0 [80484.782178] tcp_v4_rcv+0x92b/0x9d0 [80484.782181] ip_local_deliver_finish+0x5c/0x1f0 [80484.782182] ip_local_deliver+0x6f/0xe0 [80484.782184] ? ip_rcv_finish+0x410/0x410 [80484.782186] ip_rcv_finish+0x120/0x410 [80484.782188] ip_rcv+0x28c/0x3a0 [80484.782190] ? inet_del_offload+0x40/0x40 [80484.782192] __netif_receive_skb_core+0x39a/0xaa0 [80484.782195] ? find_busiest_group+0x47/0x4a0 [80484.782197] __netif_receive_skb+0x18/0x60 [80484.782199] ? __netif_receive_skb+0x18/0x60 [80484.782201] netif_receive_skb_internal+0x3f/0x3f0 [80484.782203] ? dev_gro_receive+0x2dc/0x480 [80484.782205] napi_gro_receive+0xc2/0xe0 [80484.782214] e1000_receive_skb+0x86/0xe0 [e1000e] [80484.782221] e1000_clean_rx_irq+0x1fb/0x3d0 [e1000e] [80484.782228] e1000e_poll+0x78/0x2d0 [e1000e] [80484.782230] net_rx_action+0x13b/0x380 [80484.782236] ? e1000_intr_msi+0xec/0x190 [e1000e] [80484.782239] __do_softirq+0xde/0x2a5 [80484.782242] irq_exit+0xb6/0xc0 [80484.782243] do_IRQ+0x80/0xd0 [80484.782246] common_interrupt+0x89/0x89 [80484.782249] RIP: 0010:cpuidle_enter_state+0x130/0x2d0 [80484.782251] RSP: 0018:ffffffff86a03dc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff7a [80484.782253] RAX: ffff97b23ec1c200 RBX: 0000493352d6e451 RCX: 000000000000001f [80484.782254] RDX: 0000493352d6e451 RSI: fffffff55a8640b3 RDI: 0000000000000000 [80484.782256] RBP: ffffffff86a03e08 R08: 0000000000003ccd R09: 0000000000000018 [80484.782257] R10: ffffffff86a03d98 R11: 0000000000000dbb R12: ffff97b20e8fd800 [80484.782260] R13: 0000000000000000 R14: 0000000000000002 R15: ffffffff86b85618 [80484.782262] </IRQ> [80484.782264] ? cpuidle_enter_state+0x120/0x2d0 [80484.782266] cpuidle_enter+0x17/0x20 [80484.782269] call_cpuidle+0x23/0x40 [80484.782271] do_idle+0x19a/0x200 [80484.782273] cpu_startup_entry+0x73/0x80 [80484.782276] rest_init+0xbc/0xc0 [80484.782279] start_kernel+0x4c0/0x4e1 [80484.782281] ? early_idt_handler_array+0x120/0x120 [80484.782283] x86_64_start_reservations+0x24/0x26 [80484.782285] x86_64_start_kernel+0x13e/0x161 [80484.782288] secondary_startup_64+0x9f/0x9f [80484.782289] Code: 00 3b 83 30 05 00 00 0f 88 c7 01 00 00 0f b6 83 3c 06 00 00 80 a3 cd 05 00 00 7f c0 e8 04 84 c0 0f 85 37 fb ff ff e9 28 fb ff ff <0f> ff e9 3d f9 ff ff 31 d2 48 89 df e8 1f a2 ff ff e9 f2 f9 ff [80484.782309] ---[ end trace 9e547fb81a56641c ]--- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1734099/+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