System reboots after error occurs with "be2net Unrecoverable Error detected in the adapter" in Red Hat Enterprise Linux.

Issue

• System panic occurs when Unrecoverable Error detected in the Emulex OneConnect ethernet device.

[ 1713.303438] be2net 0000:11:00.0: Unrecoverable Error detected in the adapter
[ 1713.396368] be2net 0000:11:00.0: Please reboot server to recover
[ 1713.475524] be2net 0000:11:00.0: eno112: Link down
[ 1713.475525] be2net 0000:11:00.0: UE: MPU bit set
[ 1713.536398] scsi host15: BG_134 : Error detected on the adapter
[ 1713.614414] scsi host15: BG_143 : UE_LOW MPU bit set
[ 1713.679805] scsi host14: BG_134 : Error detected on the adapter
[ 1713.757812] scsi host14: BG_143 : UE_LOW MPU bit set
[ 1714.306112] ------------[ cut here ]------------
[ 1714.366909] kernel BUG at mm/slub.c:3378!
[ 1714.419671] invalid opcode: 0000 [#1] SMP 
[ 1714.473535] Modules linked in: btrfs zlib_deflate raid6_pq xor msdos ext4 mbcache jbd2 fuse binfmt_misc ip6t_rpfilter ip6t_REJECT bonding ipt_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw iptable_filter xprtrdma ib_isert iscsi_target_mod ib_iser ib_srpt target_core_mod ib_srp scsi_transport_srp ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umad rdma_cm ib_cm iw_cm ib_sa ib_mad ocrdma ib_core ib_addr iTCO_wdt iTCO_vendor_support vfat fat intel_powerclamp coretemp intel_rapl kvm_intel kvm crc32_pclmul ghash_clmulni_intel
[ 1715.403997]  aesni_intel lrw gf128mul glue_helper ablk_helper cryptd lpc_ich pcspkr mfd_core hpilo hpwdt sg be2iscsi iscsi_boot_sysfs libiscsi scsi_transport_iscsi shpchp ipmi_ssif ipmi_si ipmi_msghandler nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables xfs libcrc32c dm_service_time sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32c_intel mgag200 syscopyarea sysfillrect sysimgblt i2c_algo_bit drm_kms_helper ttm qla2xxx be2net drm vxlan scsi_transport_fc ip6_udp_tunnel i2c_core scsi_tgt udp_tunnel dm_mirror dm_region_hash dm_log dm_multipath dm_mod
[ 1716.061658] CPU: 10 PID: 612 Comm: kworker/10:1 Not tainted 3.10.0-327.36.3.el7.x86_64 #1
[ 1716.169486] Hardware name: HP Superdome2 16s x86, BIOS Bundle: 008.005.003 SFW: 043.027.000 10/31/2016
[ 1716.292241] Workqueue: events be_err_detection_task [be2net]
[ 1716.366781] task: ffff889ea4c90000 ti: ffff889ea4c98000 task.ti: ffff889ea4c98000
[ 1716.465430] RIP: 0010:[<ffffffff811c0c53>]  [<ffffffff811c0c53>] kfree+0x133/0x140
[ 1716.565219] RSP: 0018:ffff889ea4c9bd10  EFLAGS: 00010246
[ 1716.635186] RAX: 006fffff00000000 RBX: ffff889ea39c6000 RCX: ffffffffffffff83
[ 1716.729249] RDX: 006fffff00000000 RSI: ffff889ea34009c0 RDI: ffff889ea39c6000
[ 1716.823312] RBP: ffff889ea4c9bd28 R08: 0000000000000000 R09: 0000000000000006
[ 1716.917373] R10: ffffea027a8e7180 R11: ffffffffffffff83 R12: ffff889ea3400b40
[ 1717.011436] R13: ffffffff812f2a89 R14: 000000000001c570 R15: ffff889ea3403b08
[ 1717.105499] FS:  0000000000000000(0000) GS:ffff889eff800000(0000) knlGS:0000000000000000
[ 1717.212179] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1717.287886] CR2: 00007f5143868740 CR3: 000000000194a000 CR4: 00000000003407e0
[ 1717.381949] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1717.476010] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1717.570066] Stack:
[ 1717.596436]  ffff889ea34008c0 ffff889ea3400b40 0000000000000002 ffff889ea4c9bd38
[ 1717.693871]  ffffffff812f2a89 ffff889ea4c9bd88 ffffffffa00ac1f1 ffffffff8163dd8b
[ 1717.791303]  ffff889ea3403b30 ffff889ea3403b00 ffff889ea34008c0 ffff891e71899000
[ 1717.888735] Call Trace:
[ 1717.920852]  [<ffffffff812f2a89>] free_cpumask_var+0x9/0x10
[ 1717.994265]  [<ffffffffa00ac1f1>] be_clear_queues+0x1b1/0x240 [be2net]
[ 1718.080298]  [<ffffffff8163dd8b>] ? _raw_spin_unlock_bh+0x1b/0x40
[ 1718.160594]  [<ffffffffa00ac320>] be_clear+0xa0/0x1c0 [be2net]
[ 1718.237448]  [<ffffffffa00af5cd>] be_cleanup+0x3d/0x50 [be2net]
[ 1718.315449]  [<ffffffffa00b0cf8>] be_err_detection_task+0x48/0xd0 [be2net]
[ 1718.406072]  [<ffffffff8109d69b>] process_one_work+0x17b/0x470
[ 1718.482919]  [<ffffffff8109e46b>] worker_thread+0x11b/0x400
[ 1718.556324]  [<ffffffff8109e350>] ? rescuer_thread+0x400/0x400
[ 1718.633184]  [<ffffffff810a5b8f>] kthread+0xcf/0xe0
[ 1718.697413]  [<ffffffff810a5ac0>] ? kthread_create_on_node+0x140/0x140
[ 1718.783449]  [<ffffffff81646a98>] ret_from_fork+0x58/0x90
[ 1718.854567]  [<ffffffff810a5ac0>] ? kthread_create_on_node+0x140/0x140
[ 1718.940598] Code: 49 8b 02 31 f6 f6 c4 40 74 04 41 8b 72 68 4c 89 d7 e8 d2 15 fb ff eb 8f 4c 8b 50 30 48 8b 10 80 e6 80 4c 0f 44 d0 e9 32 ff ff ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 
[ 1719.188345] RIP  [<ffffffff811c0c53>] kfree+0x133/0x140
[ 1719.257149]  RSP <ffff889ea4c9bd10>