The divide error, that shouldn't happen, happened in find_busiest_group() on HPE ProLiant DL380 Gen9. A possilble hardware malfunction.

Issue

• The divide error, that shouldn't happen, happened in find_busiest_group() on HPE ProLiant DL380 Gen9. A possilble hardware malfunction.

[750970.734762] divide error: 0000 [#1] SMP 
[750970.736520] Modules linked in: iptable_filter ib_core mptctl mptbase bonding sunrpc sb_edac intel_powerclamp coretemp intel_rapl iosf_mbi iTCO_wdt iTCO_vendor_support kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper pcspkr cryptd joydev i2c_i801 lpc_ich hpilo hpwdt ioatdma wmi ipmi_si ipmi_devintf ipmi_msghandler pcc_cpufreq acpi_power_meter sg binfmt_misc ip_tables xfs libcrc32c dm_round_robin dm_service_time sr_mod cdrom sd_mod crc_t10dif crct10dif_generic i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm qla2xxx drm drm_panel_orientation_quirks ahci ixgbe libahci crct10dif_pclmul libata crct10dif_common crc32c_intel tg3 nvme_fc serio_raw nvme_fabrics nvme_core hpsa mdio scsi_transport_fc dca dm_multipath ptp scsi_transport_sas
[750970.767435]  pps_core scsi_tgt dm_mirror dm_region_hash dm_log dm_mod
[750970.773146] CPU: 29 PID: 33359 Comm: kworker/29:0 Kdump: loaded Not tainted 3.10.0-1062.40.1.el7.x86_64 #1
[750970.775742] Hardware name: HP ProLiant DL380 Gen9/ProLiant DL380 Gen9, BIOS P89 10/21/2019
[750970.776106] task: ffffa10ebd81b150 ti: ffffa0efc3888000 task.ti: ffffa0efc3888000
[750970.776467] RIP: 0010:[<ffffffffab8e88e1>]  [<ffffffffab8e88e1>] find_busiest_group+0x251/0x990
[750970.776897] RSP: 0018:ffffa0efc388bb08  EFLAGS: 00010046
[750970.777108] RAX: 0000000000000400 RBX: 0000000000000000 RCX: 0000000000000499
[750970.777466] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
[750970.777824] RBP: ffffa0efc388bc70 R08: 000000000000037a R09: 0000000000000002
[750970.784233] R10: 000000000000049a R11: 000000000000049a R12: ffffa0efc388bcd0
[750970.785844] R13: ffffa0efc388bb40 R14: ffffa10ebfa9ac80 R15: 0000000000000400
[750970.786200] FS:  0000000000000000(0000) GS:ffffa10ebfcc0000(0000) knlGS:0000000000000000
[750970.786559] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[750970.786771] CR2: 00000000000000b8 CR3: 000000050c810000 CR4: 00000000001607e0
[750970.787125] Call Trace:
[750970.787335]  [<ffffffffab8e9198>] load_balance+0x178/0x9a0
[750970.787545]  [<ffffffffab8e9f5d>] pick_next_task_fair+0x59d/0x870
[750970.787758]  [<ffffffffabf81b3a>] __schedule+0x10a/0x840
[750970.787970]  [<ffffffffab8be42a>] ? process_one_work+0x21a/0x440
[750970.794153]  [<ffffffffabf82299>] schedule+0x29/0x70
[750970.796470]  [<ffffffffab8bf559>] worker_thread+0x1d9/0x3c0
[750970.796686]  [<ffffffffab8bf380>] ? manage_workers.isra.26+0x2a0/0x2a0
[750970.796902]  [<ffffffffab8c6361>] kthread+0xd1/0xe0
[750970.797115]  [<ffffffffab8c6290>] ? insert_kthread_work+0x40/0x40
[750970.797330]  [<ffffffffabf8fd1d>] ret_from_fork_nospec_begin+0x7/0x21
[750970.797544]  [<ffffffffab8c6290>] ? insert_kthread_work+0x40/0x40
[750970.797756] Code: 8b 75 28 48 8b 40 10 8b 48 04 4c 89 f8 48 c1 e0 0a 48 f7 f1 85 f6 49 89 4d 20 49 89 c0 49 89 45 00 74 0f 49 8b 45 10 89 f7 31 d2 <48> f7 f7 49 89 45 18 48 8b bd a0 fe ff ff 8b 47 0c 41 89 45 34 
[750970.817617] RIP  [<ffffffffab8e88e1>] find_busiest_group+0x251/0x990
[750970.817890]  RSP <ffffa0efc388bb08>