mjhjmtu

On my Linux CentOS 7.5 i am seeing this strange error periodically in dmesg I am running bond0 interface with some VLAN tags and bridge configuration.

[ 4743.736322] ------------[ cut here ]------------
[ 4743.736336] WARNING: CPU: 6 PID: 0 at net/core/dev.c:2573 skb_warn_bad_offload+0xcd/0xda
[ 4743.736339] : caps=(0x00003e2007db78e9, 0x0000000000000000) len=4396 data_len=2896 gso_size=1448 gso_type=1 ip_summed=3
[ 4743.736341] Modules linked in: iptable_raw veth bonding ip6table_mangle xt_CHECKSUM sb_edac intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd vhost_net tun vhost ipmi_ssif macvtap macvlan iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_vs iTCO_wdt iptable_nat nf_conntrack_ipv4 iTCO_vendor_support nf_defrag_ipv4 nf_nat_ipv4 ipmi_si iptable_mangle iptable_filter ipt_REJECT nf_reject_ipv4 ipmi_devintf ipt_MASQUERADE pcspkr sg lpc_ich nf_nat_masquerade_ipv4 hpwdt hpilo ipmi_msghandler video nf_nat acpi_power_meter wmi ioatdma shpchp nf_conntrack pcc_cpufreq ip6table_filter ip6_tables ebtables dm_snapshot dm_bufio dm_multipath br_netfilter bridge 8021q garp mrp stp llc ip_tables xfs libcrc32c
[ 4743.736393] sd_mod crc_t10dif crct10dif_generic mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ixgbe drm crct10dif_pclmul crct10dif_common mdio crc32c_intel hpsa serio_raw ptp pps_core i2c_core scsi_transport_sas dca dm_mirror dm_region_hash dm_log dm_mod
[ 4743.736425] CPU: 6 PID: 0 Comm: swapper/6 Kdump: loaded Tainted: G W ------------ 3.10.0-862.3.3.el7.x86_64 #1
[ 4743.736429] Hardware name: HP ProLiant BL460c Gen8, BIOS I31 06/01/2015
[ 4743.736431] Call Trace:
[ 4743.736434] <IRQ> [<ffffffffa710e78e>] dump_stack+0x19/0x1b
[ 4743.736442] [<ffffffffa6a91998>] __warn+0xd8/0x100
[ 4743.736448] [<ffffffffa6a91a1f>] warn_slowpath_fmt+0x5f/0x80
[ 4743.736453] [<ffffffffa6d51dc3>] ? ___ratelimit+0x93/0x100
[ 4743.736459] [<ffffffffa7110aef>] skb_warn_bad_offload+0xcd/0xda
[ 4743.736464] [<ffffffffa6fea2e5>] skb_checksum_help+0x195/0x1b0
[ 4743.736469] [<ffffffffc07ba079>] checksum_tg+0x29/0x30 [xt_CHECKSUM]
[ 4743.736474] [<ffffffffc036a9db>] ipt_do_table+0x2eb/0x710 [ip_tables]
[ 4743.736480] [<ffffffffa6fec166>] ? dev_hard_start_xmit+0x246/0x3b0
[ 4743.736483] [<ffffffffa6a9a0b7>] ? local_bh_enable+0x17/0x20
[ 4743.736487] [<ffffffffc036aa2e>] ? ipt_do_table+0x33e/0x710 [ip_tables]
[ 4743.736492] [<ffffffffc066e043>] iptable_mangle_hook+0x43/0x130 [iptable_mangle]
[ 4743.736495] [<ffffffffa70283c8>] nf_iterate+0x98/0xe0
[ 4743.736499] [<ffffffffa70284b8>] nf_hook_slow+0xa8/0x110
[ 4743.736502] [<ffffffffa70389ce>] ip_output+0xce/0xe0
[ 4743.736506] [<ffffffffa7037ed0>] ? __ip_append_data.isra.50+0xa50/0xa50
[ 4743.736509] [<ffffffffa70342fc>] ip_forward_finish+0x6c/0x90
[ 4743.736512] [<ffffffffa703469c>] ip_forward+0x37c/0x490
[ 4743.736515] [<ffffffffa7028302>] ? netfilter_net_init+0x42/0x70
[ 4743.736520] [<ffffffffa7034290>] ? ip_frag_mem+0x20/0x20
[ 4743.736523] [<ffffffffa7032300>] ip_rcv_finish+0x90/0x370
[ 4743.736526] [<ffffffffa7032cb9>] ip_rcv+0x2b9/0x410
[ 4743.736529] [<ffffffffa7032270>] ? inet_del_offload+0x40/0x40
[ 4743.736532] [<ffffffffa6fec9f9>] __netif_receive_skb_core+0x729/0xa20
[ 4743.736536] [<ffffffffa6aa3243>] ? __internal_add_timer+0x113/0x130
[ 4743.736539] [<ffffffffa6fecd08>] __netif_receive_skb+0x18/0x60
[ 4743.736543] [<ffffffffa6fecd90>] netif_receive_skb_internal+0x40/0xc0
[ 4743.736546] [<ffffffffa7030237>] ? ip_route_input_slow+0x5a7/0xc80
[ 4743.736549] [<ffffffffa6fece2c>] netif_receive_skb+0x1c/0x70
[ 4743.736557] [<ffffffffc03dbdb8>] br_netif_receive_skb+0x28/0x60 [bridge]
[ 4743.736570] [<ffffffffc03dbeb0>] br_pass_frame_up+0xc0/0x150 [bridge]
[ 4743.736579] [<ffffffffc03d945a>] ? br_fdb_update+0xca/0x220 [bridge]
[ 4743.736587] [<ffffffffc03dc161>] br_handle_frame_finish+0x221/0x580 [bridge]
[ 4743.736596] [<ffffffffc049f030>] br_nf_pre_routing_finish+0x180/0x450 [br_netfilter]
[ 4743.736604] [<ffffffffc03dbf40>] ? br_pass_frame_up+0x150/0x150 [bridge]
[ 4743.736609] [<ffffffffa70283c8>] ? nf_iterate+0x98/0xe0
[ 4743.736614] [<ffffffffc049fe78>] br_nf_pre_routing+0x2e8/0x420 [br_netfilter]
[ 4743.736618] [<ffffffffc049eeb0>] ? br_nf_forward_ip+0x450/0x450 [br_netfilter]
[ 4743.736622] [<ffffffffa70283c8>] nf_iterate+0x98/0xe0
[ 4743.736626] [<ffffffffa70284b8>] nf_hook_slow+0xa8/0x110
[ 4743.736632] [<ffffffffc03dc722>] br_handle_frame+0x222/0x320 [bridge]
[ 4743.736635] [<ffffffffa705e407>] ? tcp_gro_receive+0x207/0x320
[ 4743.736641] [<ffffffffc03dbf40>] ? br_pass_frame_up+0x150/0x150 [bridge]
[ 4743.736644] [<ffffffffa6fec4ca>] __netif_receive_skb_core+0x1fa/0xa20
[ 4743.736647] [<ffffffffa6af8f8f>] ? __getnstimeofday64+0x3f/0xd0
[ 4743.736651] [<ffffffffa6fecd08>] __netif_receive_skb+0x18/0x60
[ 4743.736654] [<ffffffffa6fecd90>] netif_receive_skb_internal+0x40/0xc0
[ 4743.736658] [<ffffffffa6feceff>] napi_gro_complete+0x7f/0x100
[ 4743.736661] [<ffffffffa6fecfed>] napi_gro_flush+0x6d/0x90
[ 4743.736664] [<ffffffffa6fed040>] napi_complete_done+0x30/0x110
[ 4743.736673] [<ffffffffc04077e8>] ixgbe_poll+0x548/0x770 [ixgbe]
[ 4743.736677] [<ffffffffa6fed3af>] net_rx_action+0x26f/0x390
[ 4743.736681] [<ffffffffa6a9ac05>] __do_softirq+0xf5/0x280
[ 4743.736684] [<ffffffffa712411c>] call_softirq+0x1c/0x30
[ 4743.736687] [<ffffffffa6a2d625>] do_softirq+0x65/0xa0
[ 4743.736690] [<ffffffffa6a9af85>] irq_exit+0x105/0x110
[ 4743.736692] [<ffffffffa7125466>] do_IRQ+0x56/0xf0
[ 4743.736696] [<ffffffffa711737c>] common_interrupt+0x17c/0x17c
[ 4743.736698] <EOI> [<ffffffffa6f69807>] ? cpuidle_enter_state+0x57/0xd0
[ 4743.736702] [<ffffffffa6f6995e>] cpuidle_idle_call+0xde/0x230
[ 4743.736705] [<ffffffffa6a353de>] arch_cpu_idle+0xe/0x40
[ 4743.736709] [<ffffffffa6af2e9a>] cpu_startup_entry+0x14a/0x1e0
[ 4743.736712] [<ffffffffa6a55792>] start_secondary+0x1f2/0x270
[ 4743.736715] [<ffffffffa6a000d5>] start_cpu+0x5/0x14
[ 4743.736718] ---[ end trace 80e59d47a5b261be ]---
[ 4743.736762] ------------[ cut here ]------------
[ 4743.736766] WARNING: CPU: 6 PID: 40 at net/core/dev.c:2573 skb_warn_bad_offload+0xcd/0xda
[ 4743.736768] : caps=(0x00003e2007db78e9, 0x0000000000000000) len=8072 data_len=6572 gso_size=1448 gso_type=1 ip_summed=3
[ 4743.736769] Modules linked in: iptable_raw veth bonding ip6table_mangle xt_CHECKSUM sb_edac intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd vhost_net tun vhost ipmi_ssif macvtap macvlan iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ip_vs iTCO_wdt iptable_nat nf_conntrack_ipv4 iTCO_vendor_support nf_defrag_ipv4 nf_nat_ipv4 ipmi_si iptable_mangle iptable_filter ipt_REJECT nf_reject_ipv4 ipmi_devintf ipt_MASQUERADE pcspkr sg lpc_ich nf_nat_masquerade_ipv4 hpwdt hpilo ipmi_msghandler video nf_nat acpi_power_meter wmi ioatdma shpchp nf_conntrack pcc_cpufreq ip6table_filter ip6_tables ebtables dm_snapshot dm_bufio dm_multipath br_netfilter bridge 8021q garp mrp stp llc ip_tables xfs libcrc32c
[ 4743.736800] sd_mod crc_t10dif crct10dif_generic mgag200 i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm ixgbe drm crct10dif_pclmul crct10dif_common mdio crc32c_intel hpsa serio_raw ptp pps_core i2c_core scsi_transport_sas dca dm_mirror dm_region_hash dm_log dm_mod
[ 4743.736813] CPU: 6 PID: 40 Comm: ksoftirqd/6 Kdump: loaded Tainted: G W ------------ 3.10.0-862.3.3.el7.x86_64 #1
[ 4743.736814] Hardware name: HP ProLiant BL460c Gen8, BIOS I31 06/01/2015
[ 4743.736815] Call Trace:
[ 4743.736817] <IRQ> [<ffffffffa710e78e>] dump_stack+0x19/0x1b
[ 4743.736822] [<ffffffffa6a91998>] __warn+0xd8/0x100
[ 4743.736824] [<ffffffffa6a91a1f>] warn_slowpath_fmt+0x5f/0x80
[ 4743.736827] [<ffffffffa6d51dc3>] ? ___ratelimit+0x93/0x100
[ 4743.736830] [<ffffffffa7110aef>] skb_warn_bad_offload+0xcd/0xda
[ 4743.736834] [<ffffffffa6fea2e5>] skb_checksum_help+0x195/0x1b0
[ 4743.736837] [<ffffffffc07ba079>] checksum_tg+0x29/0x30 [xt_CHECKSUM]
[ 4743.736842] [<ffffffffc036a9db>] ipt_do_table+0x2eb/0x710 [ip_tables]
[ 4743.736852] [<ffffffffc03da310>] ? br_fdb_offloaded_set+0x50/0x50 [bridge]
[ 4743.736857] [<ffffffffa6a9a0b7>] ? local_bh_enable+0x17/0x20
[ 4743.736867] [<ffffffffc036aa2e>] ? ipt_do_table+0x33e/0x710 [ip_tables]
[ 4743.736873] [<ffffffffc066e043>] iptable_mangle_hook+0x43/0x130 [iptable_mangle]
[ 4743.736878] [<ffffffffa70283c8>] nf_iterate+0x98/0xe0
[ 4743.736880] [<ffffffffa70284b8>] nf_hook_slow+0xa8/0x110
[ 4743.736883] [<ffffffffa70389ce>] ip_output+0xce/0xe0
[ 4743.736886] [<ffffffffa7037ed0>] ? __ip_append_data.isra.50+0xa50/0xa50
[ 4743.736888] [<ffffffffa70342fc>] ip_forward_finish+0x6c/0x90
[ 4743.736891] [<ffffffffa703469c>] ip_forward+0x37c/0x490
[ 4743.736893] [<ffffffffa7028302>] ? netfilter_net_init+0x42/0x70
[ 4743.736896] [<ffffffffa7034290>] ? ip_frag_mem+0x20/0x20
[ 4743.736898] [<ffffffffa7032300>] ip_rcv_finish+0x90/0x370
[ 4743.736902] [<ffffffffa7032cb9>] ip_rcv+0x2b9/0x410
[ 4743.736904] [<ffffffffa7032270>] ? inet_del_offload+0x40/0x40
[ 4743.736907] [<ffffffffa6fec9f9>] __netif_receive_skb_core+0x729/0xa20
[ 4743.736910] [<ffffffffa6aa3243>] ? __internal_add_timer+0x113/0x130
[ 4743.736912] [<ffffffffa6fecd08>] __netif_receive_skb+0x18/0x60
[ 4743.736915] [<ffffffffa6fecd90>] netif_receive_skb_internal+0x40/0xc0
[ 4743.736918] [<ffffffffa7030237>] ? ip_route_input_slow+0x5a7/0xc80
[ 4743.736920] [<ffffffffa6fece2c>] netif_receive_skb+0x1c/0x70
[ 4743.736925] [<ffffffffc03dbdb8>] br_netif_receive_skb+0x28/0x60 [bridge]
[ 4743.736930] [<ffffffffc03dbeb0>] br_pass_frame_up+0xc0/0x150 [bridge]
[ 4743.736935] [<ffffffffc03d945a>] ? br_fdb_update+0xca/0x220 [bridge]
[ 4743.736940] [<ffffffffc03dc161>] br_handle_frame_finish+0x221/0x580 [bridge]
[ 4743.736945] [<ffffffffc049f030>] br_nf_pre_routing_finish+0x180/0x450 [br_netfilter]
[ 4743.736950] [<ffffffffc03dbf40>] ? br_pass_frame_up+0x150/0x150 [bridge]
[ 4743.736954] [<ffffffffa70283c8>] ? nf_iterate+0x98/0xe0
[ 4743.736961] [<ffffffffc049fe78>] br_nf_pre_routing+0x2e8/0x420 [br_netfilter]
[ 4743.736968] [<ffffffffc049eeb0>] ? br_nf_forward_ip+0x450/0x450 [br_netfilter]
[ 4743.736973] [<ffffffffa70283c8>] nf_iterate+0x98/0xe0
[ 4743.736980] [<ffffffffa70284b8>] nf_hook_slow+0xa8/0x110
[ 4743.736991] [<ffffffffc03dc722>] br_handle_frame+0x222/0x320 [bridge]
[ 4743.736999] [<ffffffffc03dbf40>] ? br_pass_frame_up+0x150/0x150 [bridge]
[ 4743.737005] [<ffffffffa6fec4ca>] __netif_receive_skb_core+0x1fa/0xa20
[ 4743.737009] [<ffffffffa6fd8500>] ? skb_gro_receive+0x210/0x350
[ 4743.737012] [<ffffffffa6fecd08>] __netif_receive_skb+0x18/0x60
[ 4743.737015] [<ffffffffa6fecd90>] netif_receive_skb_internal+0x40/0xc0
[ 4743.737017] [<ffffffffa6feceff>] napi_gro_complete+0x7f/0x100
[ 4743.737020] [<ffffffffa6fed7b3>] dev_gro_receive+0x2e3/0x410
[ 4743.737024] [<ffffffffa6fed918>] napi_gro_receive+0x38/0x100
[ 4743.737030] [<ffffffffc0406360>] ixgbe_clean_rx_irq+0x420/0xb50 [ixgbe]
[ 4743.737037] [<ffffffffc040760e>] ixgbe_poll+0x36e/0x770 [ixgbe]
[ 4743.737040] [<ffffffffa6fed3af>] net_rx_action+0x26f/0x390
[ 4743.737042] [<ffffffffa6a9ac05>] __do_softirq+0xf5/0x280
[ 4743.737044] [<ffffffffa712411c>] call_softirq+0x1c/0x30
[ 4743.737047] [<ffffffffa6a2d625>] do_softirq+0x65/0xa0
[ 4743.737049] [<ffffffffa6a9af85>] irq_exit+0x105/0x110
[ 4743.737051] [<ffffffffa7125466>] do_IRQ+0x56/0xf0
[ 4743.737054] [<ffffffffa711737c>] common_interrupt+0x17c/0x17c
[ 4743.737055] <EOI> [<ffffffffa6ac9997>] ? finish_task_switch+0x57/0x170
[ 4743.737060] [<ffffffffa711394c>] __schedule+0x41c/0xa20
[ 4743.737063] [<ffffffffa7113f79>] schedule+0x29/0x70
[ 4743.737068] [<ffffffffa6ac38b2>] smpboot_thread_fn+0xe2/0x1a0
[ 4743.737070] [<ffffffffa6ac37d0>] ? lg_double_unlock+0x40/0x40
[ 4743.737072] [<ffffffffa6abb161>] kthread+0xd1/0xe0
[ 4743.737076] [<ffffffffa6abb090>] ? insert_kthread_work+0x40/0x40
[ 4743.737079] [<ffffffffa7120677>] ret_from_fork_nospec_begin+0x21/0x21
[ 4743.737082] [<ffffffffa6abb090>] ? insert_kthread_work+0x40/0x40
[ 4743.737083] ---[ end trace 80e59d47a5b261bf ]---

My Network setting:

[root@01 lxc]# ethtool -k bond0
Features for bond0:
rx-checksumming: off [fixed]
tx-checksumming: on
 tx-checksum-ipv4: off [fixed]
 tx-checksum-ip-generic: on
 tx-checksum-ipv6: off [fixed]
 tx-checksum-fcoe-crc: off [fixed]
 tx-checksum-sctp: off [fixed]
scatter-gather: on
 tx-scatter-gather: on
 tx-scatter-gather-fraglist: off [requested on]
tcp-segmentation-offload: on
 tx-tcp-segmentation: on
 tx-tcp-ecn-segmentation: on
 tx-tcp6-segmentation: on
 tx-tcp-mangleid-segmentation: on
udp-fragmentation-offload: off [fixed]
generic-segmentation-offload: on
generic-receive-offload: on
large-receive-offload: off
rx-vlan-offload: on
tx-vlan-offload: on
ntuple-filters: off [fixed]
receive-hashing: off [fixed]
highdma: on
rx-vlan-filter: on
vlan-challenged: off [fixed]
tx-lockless: on [fixed]
netns-local: on [fixed]
tx-gso-robust: off [fixed]
tx-fcoe-segmentation: off [fixed]
tx-gre-segmentation: on
tx-ipip-segmentation: on
tx-sit-segmentation: on
tx-udp_tnl-segmentation: on
fcoe-mtu: off [fixed]
tx-nocache-copy: off
loopback: off [fixed]
rx-fcs: off [fixed]
rx-all: off [fixed]
tx-vlan-stag-hw-insert: off [fixed]
rx-vlan-stag-hw-parse: off [fixed]
rx-vlan-stag-filter: off [fixed]
busy-poll: off [fixed]
tx-gre-csum-segmentation: on
tx-udp_tnl-csum-segmentation: on
tx-gso-partial: off [fixed]
tx-sctp-segmentation: off [fixed]
l2-fwd-offload: off [fixed]
hw-tc-offload: off [fixed]
rx-udp_tunnel-port-offload: off [fixed]