Public bug reported:
Jan 9 20:06:30 arjun kernel: [94151.650813] ------------[ cut here
]------------
Jan 9 20:06:30 arjun kernel: [94151.650820] WARNING: CPU: 13 PID: 0 at
/build/linux-hwe-edge-Ybwf2T/linux-hwe-edge-4.13.0/net/ipv4/tcp_input.c:2826
tcp_fastretrans_alert+0x83e/0x9c0
Jan 9 20:06:30 arjun kernel: [94151.650821] Modules linked in: ipt_REJECT
nf_reject_ipv4 xt_multiport iptable_filter ip_tables x_tables intel_rapl
sb_edac gpio_ich ipmi_ssif x86_pkg_temp_thermal intel_powerclamp coretemp
kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc
aesni_intel aes_x86_64 crypto_simd glue_helper cryptd intel_cstate
intel_rapl_perf joydev input_leds ioatdma mei_me lpc_ich intel_pch_thermal mei
shpchp ipmi_si ipmi_devintf ipmi_msghandler acpi_pad mac_hid sch_fq
kyber_iosched tcp_bbr tcp_illinois tcp_westwood autofs4 btrfs raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq
libcrc32c multipath linear raid0 raid1 ast ttm drm_kms_helper ixgbe igb
syscopyarea hid_generic sysfillrect sysimgblt dca fb_sys_fops i2c_algo_bit
usbhid ahci ptp mxm_wmi drm hid
Jan 9 20:06:30 arjun kernel: [94151.650858] libahci pps_core mdio wmi
Jan 9 20:06:30 arjun kernel: [94151.650862] CPU: 13 PID: 0 Comm: swapper/13
Tainted: G W 4.13.0-24-generic #28~16.04.1-Ubuntu
Jan 9 20:06:30 arjun kernel: [94151.650863] Hardware name: Supermicro Super
Server/X10SDV-TLN4F, BIOS 1.1b 07/13/2016
Jan 9 20:06:30 arjun kernel: [94151.650863] task: ffff9d831b598000 task.stack:
ffffb42043210000
Jan 9 20:06:30 arjun kernel: [94151.650865] RIP:
0010:tcp_fastretrans_alert+0x83e/0x9c0
Jan 9 20:06:30 arjun kernel: [94151.650866] RSP: 0018:ffff9d831f543a20 EFLAGS:
00010202
Jan 9 20:06:30 arjun kernel: [94151.650867] RAX: 0000000000000000 RBX:
ffff9d82786ef800 RCX: 0000000000000000
Jan 9 20:06:30 arjun kernel: [94151.650868] RDX: 0000000000000001 RSI:
0000000000000002 RDI: ffff9d82786ef800
Jan 9 20:06:30 arjun kernel: [94151.650869] RBP: 0000000000005120 R08:
ffff9d831f543a84 R09: 0000000000000000
Jan 9 20:06:30 arjun kernel: [94151.650869] R10: 0000000000000000 R11:
ffff9d8318ddd800 R12: 0000000000000001
Jan 9 20:06:30 arjun kernel: [94151.650870] R13: ffff9d831f543a84 R14:
ffff9d831f543a7c R15: 0000000000000000
Jan 9 20:06:30 arjun kernel: [94151.650871] FS: 0000000000000000(0000)
GS:ffff9d831f540000(0000) knlGS:0000000000000000
Jan 9 20:06:30 arjun kernel: [94151.650872] CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
Jan 9 20:06:30 arjun kernel: [94151.650873] CR2: 00007f595b160000 CR3:
000000057f60a005 CR4: 00000000003606e0
Jan 9 20:06:30 arjun kernel: [94151.650874] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jan 9 20:06:30 arjun kernel: [94151.650874] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Jan 9 20:06:30 arjun kernel: [94151.650875] Call Trace:
Jan 9 20:06:30 arjun kernel: [94151.650877] <IRQ>
Jan 9 20:06:30 arjun kernel: [94151.650880] tcp_ack+0x4f2/0x850
Jan 9 20:06:30 arjun kernel: [94151.650882] tcp_rcv_established+0x1eb/0x750
Jan 9 20:06:30 arjun kernel: [94151.650885] ? sk_filter_trim_cap+0x45/0x1b0
Jan 9 20:06:30 arjun kernel: [94151.650888] tcp_v4_do_rcv+0x12f/0x1d0
Jan 9 20:06:30 arjun kernel: [94151.650890] tcp_v4_rcv+0x985/0x9e0
Jan 9 20:06:30 arjun kernel: [94151.650893] ip_local_deliver_finish+0x8c/0x1d0
Jan 9 20:06:30 arjun kernel: [94151.650895] ip_local_deliver+0x6b/0xe0
Jan 9 20:06:30 arjun kernel: [94151.650897] ? ip_rcv_finish+0x3f0/0x3f0
Jan 9 20:06:30 arjun kernel: [94151.650898] ip_rcv+0x289/0x3c0
Jan 9 20:06:30 arjun kernel: [94151.650901] ? fq_dequeue+0x1e2/0x3f0 [sch_fq]
Jan 9 20:06:30 arjun kernel: [94151.650906]
__netif_receive_skb_core+0x522/0xaa0
Jan 9 20:06:30 arjun kernel: [94151.650908] ? __dev_queue_xmit+0x276/0x690
Jan 9 20:06:30 arjun kernel: [94151.650910] ?
netif_receive_skb_internal+0x3d/0x3f0
Jan 9 20:06:30 arjun kernel: [94151.650911]
netif_receive_skb_internal+0x3d/0x3f0
Jan 9 20:06:30 arjun kernel: [94151.650913] ? dev_gro_receive+0x23f/0x440
Jan 9 20:06:30 arjun kernel: [94151.650915] napi_gro_receive+0xbc/0xe0
Jan 9 20:06:30 arjun kernel: [94151.650927] ixgbe_clean_rx_irq+0x481/0xea0
[ixgbe]
Jan 9 20:06:30 arjun kernel: [94151.650932] ixgbe_poll+0x27d/0x770 [ixgbe]
Jan 9 20:06:30 arjun kernel: [94151.650934] net_rx_action+0x261/0x3a0
Jan 9 20:06:30 arjun kernel: [94151.650938] __do_softirq+0xef/0x285
Jan 9 20:06:30 arjun kernel: [94151.650942] irq_exit+0xae/0xb0
Jan 9 20:06:30 arjun kernel: [94151.650944] do_IRQ+0x4a/0xc0
Jan 9 20:06:30 arjun kernel: [94151.650947] common_interrupt+0x98/0x98
Jan 9 20:06:30 arjun kernel: [94151.650948] </IRQ>
Jan 9 20:06:30 arjun kernel: [94151.650951] RIP:
0010:cpuidle_enter_state+0x12b/0x2d0
Jan 9 20:06:30 arjun kernel: [94151.650951] RSP: 0018:ffffb42043213ea8 EFLAGS:
00000246 ORIG_RAX: ffffffffffffff81
Jan 9 20:06:30 arjun kernel: [94151.650952] RAX: 0000000000000000 RBX:
0000000000000004 RCX: 000000000000001f
Jan 9 20:06:30 arjun kernel: [94151.650953] RDX: 0000000000000000 RSI:
000000003cf3d30b RDI: 0000000000000000
Jan 9 20:06:30 arjun kernel: [94151.650954] RBP: 000055a163b2ade8 R08:
ffff9d831f55e924 R09: 0000000000000018
Jan 9 20:06:30 arjun kernel: [94151.650954] R10: 0000000000000427 R11:
0000000000000bca R12: ffff9d831f56d700
Jan 9 20:06:30 arjun kernel: [94151.650955] R13: ffffffffb9f7a138 R14:
000055a1639ae936 R15: 0000000000000000
Jan 9 20:06:30 arjun kernel: [94151.650957] ? cpuidle_enter_state+0x118/0x2d0
Jan 9 20:06:30 arjun kernel: [94151.650960] do_idle+0x185/0x1e0
Jan 9 20:06:30 arjun kernel: [94151.650961] cpu_startup_entry+0x6f/0x80
Jan 9 20:06:30 arjun kernel: [94151.650964] start_secondary+0x171/0x1b0
Jan 9 20:06:30 arjun kernel: [94151.650967] secondary_startup_64+0x9f/0xa0
Jan 9 20:06:30 arjun kernel: [94151.650968] Code: 37 f9 ff ff e9 a6 f9 ff ff
31 f6 48 89 df e8 ba 9a ff ff 48 8b 43 30 48 8b 80 80 01 00 00 65 48 ff 80 30
01 00 00 e9 6d fa ff ff <0f> ff e9 c1 f8 ff ff c0 e8 04 84 c0 75 73 8b 83 a4 06
00 00 8d
Jan 9 20:06:30 arjun kernel: [94151.650989] ---[ end trace abe99696861e7e94
]---
Jan 9 20:06:33 arjun kernel: [94154.851373] ------------[ cut here
]------------
** Affects: kernel-package (Ubuntu)
Importance: Undecided
Status: New
** Package changed: cpufrequtils (Ubuntu) => kernel-package (Ubuntu)
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https://bugs.launchpad.net/bugs/1742341
Title:
WARNING: CPU: 13 PID: 0 at /build/linux-hwe-edge-Ybwf2T/linux-hwe-
edge-4.13.0/net/ipv4/tcp_input.c:2826
tcp_fastretrans_alert+0x83e/0x9c0
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