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VMs Crashed Frequently On Exalytics with Kernel Panic: "Starting openibd: divide error: 0000 [#1] RIP: mlx4_slave_cap [mlx4_core]" (Doc ID 2193925.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle VM - Version 3.2.1 to 3.2.11 [Release OVM32]
Linux x86-64
Linux x86


Virtual machine is crashing just after being started:

Starting openibd: divide error: 0000 [#1] SMP
Modules linked in: mlx4_core(+) ext4 jbd2 video sbs sbshc hed acpi_memhotplug acpi_ipmi ipmi_msghandler lp snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss pata_acpi snd_mixer_oss parport_pc snd_pcm parport ata_piix floppy ata_generic i2c_piix4 snd_timer serio_raw snd i2c_core soundcore snd_page_alloc pcspkr dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod ahci libahci ext3 jbd mbcache sd_mod crc_t10dif xen_netfront xen_blkfront [last unloaded: microcode]

Pid: 1873, comm: modprobe Not tainted 2.6.39-400.286.2.el5uek #1 Xen HVM domU
RIP: 0010:[<ffffffffa0308805>] [<ffffffffa0308805>] mlx4_slave_cap+0x145/0x250 [mlx4_core]
RSP: 0018:ffff889c3c3b5918 EFLAGS: 00010246
RAX: ffffffa099febf01 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 000000000000000f RDI: 0000000000007fff
RBP: ffff889c3c3b5948 R08: 0000000000000000 R09: 000000000000000f
R10: ffffffff819af640 R11: 000000000000000a R12: 000000000000001c
R13: ffff889c3ad50000 R14: 0000000000000000 R15: ffffffff819af640
FS: 00007f6558d886e0(0000) GS:ffff88a00fa00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00007f84e6891020 CR3: 0000009c3be04000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process modprobe (pid: 1873, threadinfo ffff889c3c3b4000, task ffff889c383304c0)
ffff889c3c3b5938 ffff889c3ad50000 0000000000000000 ffff889c3dbdf000
ffff889c3dbdf090 00007f6558ca5010 ffff889c3c3b5c38 ffffffffa03089c9
ffff889c3a3c0b40 ffff889c3a3c0b58 ffff889c3c3b5a40 ffff889c3c3b59c8
Call Trace:
[<ffffffffa03089c9>] mlx4_init_hca+0xb9/0x420 [mlx4_core]
[<ffffffff810dd885>] ? call_rcu_sched+0x15/0x20
[<ffffffff81142993>] ? __free_vmap_area+0xd3/0x100
[<ffffffff81049c21>] ? __cpa_process_fault+0x81/0xa0
[<ffffffff8104a546>] ? __change_page_attr+0xc6/0x250
[<ffffffff8104a751>] ? __change_page_attr_set_clr+0x81/0xd0
[<ffffffff8104a8ed>] ? change_page_attr_set_clr+0x14d/0x210
[<ffffffff81254834>] ? ioremap_pte_range+0xc4/0x110
[<ffffffff812549f7>] ? ioremap_page_range+0x177/0x200
[<ffffffff810785ab>] ? iomem_map_sanity_check+0x8b/0xd0
[<ffffffff81049659>] ? __ioremap_caller+0x249/0x390
[<ffffffffa02fcc0b>] ? mlx4_multi_func_init+0x2eb/0x650 [mlx4_core]
[<ffffffffa02fa5c8>] ? sync_toggles+0x28/0xd0 [mlx4_core]
[<ffffffffa02fcc63>] ? mlx4_multi_func_init+0x343/0x650 [mlx4_core]
[<ffffffffa0309247>] __mlx4_init_one+0x377/0x8b0 [mlx4_core]
[<ffffffffa030979e>] __mlx4_init_parallel_one+0x1e/0x30 [mlx4_core]
[<ffffffffa0309870>] __mlx4_init_one_background+0xc0/0x120 [mlx4_core]
[<ffffffffa031c31c>] mlx4_init_one+0x4c/0x6e [mlx4_core]
[<ffffffff812781e1>] local_pci_probe+0x51/0xb0
[<ffffffff812782c9>] pci_call_probe+0x89/0xa0
[<ffffffff81279a64>] __pci_device_probe+0x54/0x60
[<ffffffff81279aab>] pci_device_probe+0x3b/0x60
[<ffffffff8134aee5>] really_probe+0x105/0x230
[<ffffffff8134b073>] driver_probe_device+0x63/0xc0
[<ffffffff8134b49d>] __driver_attach+0x8d/0x90
[<ffffffff8134b410>] ? device_release_driver+0x40/0x40
[<ffffffff8134a01d>] bus_for_each_dev+0x7d/0xa0
[<ffffffff8134ac51>] driver_attach+0x21/0x30
[<ffffffff81349a7a>] bus_add_driver+0xda/0x200
[<ffffffff8134ba06>] driver_register+0x56/0xf0
[<ffffffff812792fc>] __pci_register_driver+0x5c/0xb0
[<ffffffffa0335180>] ? mlx4_verify_params+0x140/0x140 [mlx4_core]
[<ffffffffa033521b>] mlx4_init+0x9b/0x111 [mlx4_core]
[<ffffffff81002168>] do_one_initcall+0xe8/0x130
[<ffffffff810b0102>] sys_init_module+0x92/0x1e0
[<ffffffff81512b22>] system_call_fastpath+0x16/0x1b
Code: 41 8b 45 20 83 c2 08 8d 04 c2 41 8b 95 0e 02 00 00 41 89 85 08 01 00 00 49 8b 85 22 02 00 00 49 2b 85 1a 02 00 00 48 89 d1 31 d2
f7 f1 41 89 85 2a 02 00 00 e9 e0 fe ff ff 48 8b 8e 78 03 00
RIP [<ffff


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