Why logs are full of traces like "WARNING: at net/core/dev.c:1760 skb_gso_segment" in Red Hat Enterprise Linux 6 ?

Solution Verified - Updated -

Issue

  • Can see /var/log/dmesg and /var/log/messages full of traces like shown below.
  • Have configure bonding and not see issue till now, need to know the reason for these messages and how to get rid of it.
May 23 11:12:21 hostname kernel: WARNING: at net/core/dev.c:1760 skb_gso_segment+0x1df/0x2b0() (Tainted: G        W  ---------------   )
May 23 11:12:21 hostname kernel: Hardware name: ProLiant DL585 G7
May 23 11:12:21 hostname kernel: netxen_nic: caps=(0x9b0, 0x1113b9) len=4420 data_len=4380 ip_summed=0
May 23 11:12:21 hostname kernel: Modules linked in: ses enclosure sunrpc bonding 8021q garp stp llc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 ext2 power_meter hpilo hpwdt sg netxen_nic serio_raw k10temp amd64_edac_mod edac_core edac_mce_amd i2c_piix4 shpchp ext4 mbcache jbd2 dm_round_robin sd_mod crc_t10dif hpsa qla2xxx(U) scsi_transport_fc scsi_tgt pata_acpi ata_generic pata_atiixp ahci radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core dm_multipath dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
May 23 11:12:21 hostname kernel: Pid: 39288, comm: scxcimserver Tainted: G        W  ---------------    2.6.32-358.6.2.el6.x86_64 #1
May 23 11:12:21 hostname kernel: Call Trace:
May 23 11:12:21 hostname kernel: [<ffffffff8106e2e7>] ? warn_slowpath_common+0x87/0xc0
May 23 11:12:21 hostname kernel: [<ffffffff8106e3d6>] ? warn_slowpath_fmt+0x46/0x50
May 23 11:12:21 hostname kernel: [<ffffffffa0322e80>] ? netxen_nic_get_drvinfo+0xc0/0xf0 [netxen_nic]
May 23 11:12:21 hostname kernel: [<ffffffff81448aef>] ? skb_gso_segment+0x1df/0x2b0
May 23 11:12:21 hostname kernel: [<ffffffff8143f3b4>] ? pskb_expand_head+0x64/0x270
May 23 11:12:21 hostname kernel: [<ffffffff81448ed0>] ? dev_hard_start_xmit+0x1b0/0x530
May 23 11:12:21 hostname kernel: [<ffffffff814672c8>] ? sch_direct_xmit+0x78/0x1c0
May 23 11:12:21 hostname kernel: [<ffffffff8113b489>] ? zone_statistics+0x99/0xc0
May 23 11:12:21 hostname kernel: [<ffffffff814673aa>] ? sch_direct_xmit+0x15a/0x1c0
May 23 11:12:21 hostname kernel: [<ffffffff8144cd30>] ? dev_queue_xmit+0x3b0/0x550
May 23 11:12:21 hostname kernel: [<ffffffffa03e9ed7>] ? bond_dev_queue_xmit+0x67/0x200 [bonding]
May 23 11:12:21 hostname kernel: [<ffffffffa03ea361>] ? bond_start_xmit+0x2f1/0x5d0 [bonding]
May 23 11:12:21 hostname kernel: [<ffffffff81449028>] ? dev_hard_start_xmit+0x308/0x530
May 23 11:12:21 hostname kernel: [<ffffffff8144caec>] ? dev_queue_xmit+0x16c/0x550
May 23 11:12:21 hostname kernel: [<ffffffff8100bb8e>] ? apic_timer_interrupt+0xe/0x20
May 23 11:12:21 hostname kernel: [<ffffffff8144cb85>] ? dev_queue_xmit+0x205/0x550
May 23 11:12:21 hostname kernel: [<ffffffff8148545c>] ? ip_finish_output+0x13c/0x310
May 23 11:12:21 hostname kernel: [<ffffffff814856e8>] ? ip_output+0xb8/0xc0
May 23 11:12:21 hostname kernel: [<ffffffff814849e5>] ? ip_local_out+0x25/0x30
May 23 11:12:21 hostname kernel: [<ffffffff81484ec0>] ? ip_queue_xmit+0x190/0x420
May 23 11:12:21 hostname kernel: [<ffffffff81499bee>] ? tcp_transmit_skb+0x3fe/0x7b0
May 23 11:12:21 hostname kernel: [<ffffffff8149bfab>] ? tcp_write_xmit+0x1fb/0xa20
May 23 11:12:21 hostname kernel: [<ffffffff8149c960>] ? __tcp_push_pending_frames+0x30/0xe0
May 23 11:12:21 hostname kernel: [<ffffffff8148c19e>] ? tcp_push+0x6e/0x90
May 23 11:12:21 hostname kernel: [<ffffffff8148d19c>] ? tcp_sendmsg+0x64c/0xa20
May 23 11:12:21 hostname kernel: [<ffffffff81437f1b>] ? sock_aio_write+0x19b/0x1c0
May 23 11:12:21 hostname kernel: [<ffffffff81180d7a>] ? do_sync_write+0xfa/0x140
May 23 11:12:21 hostname kernel: [<ffffffff81096ca0>] ? autoremove_wake_function+0x0/0x40
May 23 11:12:21 hostname kernel: [<ffffffff8100bbce>] ? invalidate_interrupt0+0xe/0x20
May 23 11:12:21 hostname kernel: [<ffffffff8121bc36>] ? security_file_permission+0x16/0x20
May 23 11:12:21 hostname kernel: [<ffffffff81181144>] ? vfs_write+0x184/0x1a0
May 23 11:12:21 hostname kernel: [<ffffffff81181971>] ? sys_write+0x51/0x90
May 23 11:12:21 hostname kernel: [<ffffffff8100b072>] ? system_call_fastpath+0x16/0x1b
May 23 11:12:21 hostname kernel: ---[ end trace 2a5404c08da8bb3d ]---
May 23 11:12:21 hostname kernel: ------------[ cut here ]------------

Environment

  • Red Hat Enterprise Linux 6.4
  • kernel-2.6.32-358.6.2.el6.x86_64
  • netxen_nic, bnx2x, tg3, and/or other network drivers

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content