问题说明

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近期一台主机报以下 kernel 信息:

Jul 8 10:47:42 cztest kernel: ------------[ cut here ]------------
Jul 8 10:47:42 cztest kernel: WARNING: at net/ipv4/tcp_input.c:2269 tcp_mark_head_lost+0x113/0x290()
Jul 8 10:47:42 cztest kernel: Modules linked in: iptable_filter ip_tables binfmt_misc cdc_ether usbnet mii xt_multiport dm_mirror dm_region_hash dm_log dm_mod intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass crc32_p
clmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd ipmi_ssif ipmi_devintf ipmi_si mei_me pcspkr iTCO_wdt mxm_wmi iTCO_vendor_support dcdbas mei sg sb_edac edac_core ipmi_msghandler shpchp lpc_ich wmi acpi_p
ower_meter xfs libcrc32c sd_mod crc_t10dif crct10dif_generic mgag200 drm_kms_helper crct10dif_pclmul crct10dif_common syscopyarea crc32c_intel sysfillrect sysimgblt fb_sys_fops igb ttm ptp drm ahci pps_core libahci dca i2c_algo_bit libat
a megaraid_sas i2c_core fjes [last unloaded: ip_tables]
Jul 8 10:47:42 cztest kernel: CPU: 10 PID: 0 Comm: swapper/10 Tainted: G  W  ------------ 3.10.0-514.16.1.el7.x86_64 #1
Jul 8 10:47:42 cztest kernel: Hardware name: Dell Inc. PowerEdge R630/02C2CP, BIOS 2.3.4 11/08/2016
Jul 8 10:47:42 cztest kernel: 0000000000000000 dd79fe633eacd853 ffff88103e743880 ffffffff81686ac3
Jul 8 10:47:42 cztest kernel: ffff88103e7438b8 ffffffff81085cb0 ffff8806d5c57800 ffff88010a4e6c80
Jul 8 10:47:42 cztest kernel: 0000000000000001 00000000f90e778c 0000000000000001 ffff88103e7438c8
Jul 8 10:47:42 cztest kernel: Call Trace:
Jul 8 10:47:42 cztest kernel:  [] dump_stack+0x19/0x1b
Jul 8 10:47:42 cztest kernel: [] warn_slowpath_common+0x70/0xb0
Jul 8 10:47:42 cztest kernel: [] warn_slowpath_null+0x1a/0x20
Jul 8 10:47:42 cztest kernel: [] tcp_mark_head_lost+0x113/0x290
Jul 8 10:47:42 cztest kernel: [] tcp_update_scoreboard+0x67/0x80
Jul 8 10:47:42 cztest kernel: [] tcp_fastretrans_alert+0x6dd/0xb50
Jul 8 10:47:42 cztest kernel: [] tcp_ack+0x8dd/0x12e0
Jul 8 10:47:42 cztest kernel: [] tcp_rcv_established+0x118/0x760
Jul 8 10:47:42 cztest kernel: [] tcp_v4_do_rcv+0x10a/0x340
Jul 8 10:47:42 cztest kernel: [] ? security_sock_rcv_skb+0x16/0x20
Jul 8 10:47:42 cztest kernel: [] tcp_v4_rcv+0x799/0x9a0
Jul 8 10:47:42 cztest kernel: [] ? iptable_filter_hook+0x36/0x80 [iptable_filter]
Jul 8 10:47:42 cztest kernel: [] ip_local_deliver_finish+0xb4/0x1f0
Jul 8 10:47:42 cztest kernel: [] ip_local_deliver+0x59/0xd0
Jul 8 10:47:42 cztest kernel: [] ? ip_rcv_finish+0x350/0x350
Jul 8 10:47:42 cztest kernel: [] ip_rcv_finish+0x8a/0x350
Jul 8 10:47:42 cztest kernel: [] ip_rcv+0x2b6/0x410
Jul 8 10:47:42 cztest kernel: [] __netif_receive_skb_core+0x582/0x800
Jul 8 10:47:42 cztest kernel: [] ? tcp4_gro_receive+0x134/0x1b0
Jul 8 10:47:42 cztest kernel: [] ? __slab_free+0x81/0x2f0
Jul 8 10:47:42 cztest kernel: [] __netif_receive_skb+0x18/0x60
Jul 8 10:47:42 cztest kernel: [] netif_receive_skb_internal+0x40/0xc0
Jul 8 10:47:42 cztest kernel: [] napi_gro_receive+0xd8/0x130
Jul 8 10:47:42 cztest kernel: [] igb_clean_rx_irq+0x387/0x700 [igb]
Jul 8 10:47:42 cztest kernel: [] ? skb_release_data+0xf2/0x140
Jul 8 10:47:42 cztest kernel: [] igb_poll+0x383/0x770 [igb]
Jul 8 10:47:42 cztest kernel: [] ? tcp_write_timer_handler+0x200/0x200
Jul 8 10:47:42 cztest kernel: [] net_rx_action+0x170/0x380
Jul 8 10:47:42 cztest kernel: [] __do_softirq+0xef/0x280
Jul 8 10:47:42 cztest kernel: [] call_softirq+0x1c/0x30
Jul 8 10:47:42 cztest kernel: [] do_softirq+0x65/0xa0
Jul 8 10:47:42 cztest kernel: [] irq_exit+0x115/0x120
Jul 8 10:47:42 cztest kernel: [] do_IRQ+0x58/0xf0
Jul 8 10:47:42 cztest kernel: [] common_interrupt+0x6d/0x6d
Jul 8 10:47:42 cztest kernel:  [] ? cpuidle_enter_state+0x52/0xc0
Jul 8 10:47:42 cztest kernel: [] cpuidle_idle_call+0xd9/0x210
Jul 8 10:47:42 cztest kernel: [] arch_cpu_idle+0xe/0x30
Jul 8 10:47:42 cztest kernel: [] cpu_startup_entry+0x245/0x290
Jul 8 10:47:42 cztest kernel: [] start_secondary+0x1ba/0x230
Jul 8 10:47:42 cztest kernel: ---[ end trace 6bc65b0c591c1794 ]---

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新闻标题：linux系统报tcp_mark_head_lost错误的处理方法-创新互联
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