Public bug reported:
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 ]---
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Package changed: evolution (Ubuntu) => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1734099
Title:
tcp_input.c:2826 tcp_fastretrans_alert+0x7d0/0x990
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