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Oracle Linux 6: WARNING: CPU: Net/ipv4/tcp_input.c:2240 Tcp_mark_head_lost+0x1b6/0x290() (Doc ID 2720797.1)

Last updated on OCTOBER 21, 2020

Applies to:

Linux OS - Version Oracle Linux 6.10 with Unbreakable Enterprise Kernel [4.1.12] and later
Linux x86-64

Symptoms

An Oracle Linux 6 (OL6) UEK4 server frequently reports the following error.

Server reboot temporarily alleviates the issue, however, the message recurs some time later.

Kernel: 4.1.12-124.37.1.el6uek.x86_64

Sep 10 06:54:34 <HOSTNAME> kernel: [4231149.452712] WARNING: CPU: 7 PID: 215356 at net/ipv4/tcp_input.c:2240 tcp_mark_head_lost+0x1b6/0x290()
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.469296] Modules linked in: nls_utf8 iptable_filter ip_tables tcp_diag inet_diag mptctl mptbase 8021q mrp garp stp llc bonding be2iscsi iscsi_boot_sysfs bnx2i cnic uio cxgb4i iw_cxgb4 cxgb4 cxgb3i libcxgbi iw_cxgb3 cxgb3 ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr ipv6 iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi vfat fat ipmi_ssif ipmi_si ipmi_msghandler pcc_cpufreq acpi_cpufreq iTCO_wdt iTCO_vendor_support pcspkr sb_edac edac_core i2c_i801 lpc_ich mfd_core igb i2c_algo_bit i2c_core hpilo hpwdt ioatdma sg ixgbe dca vxlan udp_tunnel ip6_udp_tunnel mdio tg3 ptp pps_core ext4 jbd2 mbcache2 sd_mod xhci_pci xhci_hcd hpsa scsi_transport_sas wmi dm_mirror dm_region_hash dm_log dm_mod
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.577232] CPU: 7 PID: 215356 Comm: jsvc Tainted: G W L 4.1.12-124.37.1.el6uek.x86_64 #2
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.597722] Hardware name: HP ProLiant XL420 Gen9/ProLiant XL420 Gen9, BIOS U19 10/21/2019
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.616651] 0000000000000000 ffff880222ff7a68 ffffffff816ee6eb 0000000000000000
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.635721] ffffffff81a634f1 ffff880222ff7aa8 ffffffff8108707a 0000000015e6866c
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.656981] ffff88026c6a8800 ffff88026c6a8800 0000000000000001 0000000000000001
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.675510] Call Trace:
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.694171] [<ffffffff816ee6eb>] dump_stack+0x63/0x81
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.711172] [<ffffffff8108707a>] warn_slowpath_common+0x8a/0xc0
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.729295] [<ffffffff8108716a>] warn_slowpath_null+0x1a/0x20
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.747031] [<ffffffff81667086>] tcp_mark_head_lost+0x1b6/0x290
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.763647] [<ffffffff81667a61>] tcp_update_scoreboard+0x71/0x80
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.778989] [<ffffffff8166a9dd>] tcp_fastretrans_alert+0x74d/0xbf0
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.794942] [<ffffffff816f10ca>] ? __schedule+0x24a/0x810
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.810633] [<ffffffff8166eb36>] tcp_ack+0x566/0x830
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.826255] [<ffffffff816f10ca>] ? __schedule+0x24a/0x810
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.842030] [<ffffffff8166f30d>] tcp_rcv_established+0x19d/0x730
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.856192] [<ffffffff8167ab83>] tcp_v4_do_rcv+0x103/0x3e0
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.875134] [<ffffffff815fa9f3>] release_sock+0xa3/0x170
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.891834] [<ffffffff81665881>] tcp_sendmsg+0xd1/0xb50
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.907750] [<ffffffff8169306b>] inet_sendmsg+0x6b/0xb0
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.923987] [<ffffffff812b9de3>] ? selinux_socket_sendmsg+0x23/0x30
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.939631] [<ffffffff815f5f63>] sock_sendmsg+0x43/0x50
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.956827] [<ffffffff815f5feb>] sock_write_iter+0x7b/0xe0
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.972040] [<ffffffff8120dd98>] __vfs_write+0xb8/0x110
Sep 10 06:54:35 <HOSTNAME> kernel: [4231149.987596] [<ffffffff8120e469>] vfs_write+0xa9/0x1b0
Sep 10 06:54:35 <HOSTNAME> kernel: [4231150.002579] [<ffffffff8120f276>] SyS_write+0x46/0xb0
Sep 10 06:54:35 <HOSTNAME> kernel: [4231150.016435] [<ffffffff81027266>] ? syscall_trace_leave+0xd6/0x180
Sep 10 06:54:35 <HOSTNAME> kernel: [4231150.030022] [<ffffffff816f6db6>] system_call_fastpath+0x18/0xee
Sep 10 06:54:35 <HOSTNAME> kernel: [4231150.045791] ---[ end trace d138158ee536d356 ]---

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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