NMI watchdog: BUG: soft lockup - CPU#30 stuck for 23s! [systemd:1]
Modules linked in: xt_connmark ip6table_mangle iptable_mangle ip6t_MASQUERADE nf_nat_masquerade_ipv6 xt_mark tun nf_tables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_filter ip6_tables veth xt_nat xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_addrtype br_netfilter bridge stp llc overlay(T) binfmt_misc iptable_filter nvidia_uvm(OE) nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) ipmi_devintf ipmi_msghandler udp_diag tcp_diag inet_diag dm_mirror dm_region_hash dm_log dm_mod ext4 mbcache jbd2 ppdev cirrus ttm nfit libnvdimm drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops virtio_balloon joydev iosf_mbi drm crc32_pclmul parport_pc sg ghash_clmulni_intel
parport aesni_intel i2c_piix4 drm_panel_orientation_quirks lrw gf128mul glue_helper pcspkr ablk_helper cryptd ip_tables xfs libcrc32c sr_mod cdrom ata_generic pata_acpi virtio_net net_failover virtio_console virtio_blk failover ata_piix libata crct10dif_pclmul virtio_pci crct10dif_common virtio_ring crc32c_intel floppy serio_raw virtio [last unloaded: vfio]
CPU: 30 PID: 1 Comm: systemd Kdump: loaded Tainted: P           OEL ------------ T 3.10.0-1160.76.1.el7.x86_64 #1
Hardware name: OpenStack Foundation OpenStack Nova, BIOS 1.11.0-2.el7 04/01/2014
task: ffff991ef36a8000 ti: ffff991ef3720000 task.ti: ffff991ef3720000
RIP: 0010:[<ffffffff9cd8e4db>]  [<ffffffff9cd8e4db>] native_safe_halt+0xb/0x20
RSP: 0018:ffff991ef3723ba0  EFLAGS: 00000242
RAX: 0000000000000005 RBX: ffff991ef3723e60 RCX: 0000000000000000
RDX: 0000000000000005 RSI: 0000000000000005 RDI: ffff992449198418
RBP: ffff991ef3723ba0 R08: 0000000000000000 R09: 0000000000000050
R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff9c98d91d
R13: ffff991ef3723b40 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f1d8c99a940(0000) GS:ffff993d7f180000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d8c9af000 CR3: 000000142ee54000 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
[<ffffffff9c66caf5>] kvm_wait+0x65/0x70
[<ffffffff9c7179ee>] __pv_queued_spin_lock_slowpath+0x29e/0x2e0
[<ffffffff9cd80d83>] queued_spin_lock_slowpath+0xb/0xf
[<ffffffff9cd8ed20>] _raw_spin_lock+0x20/0x30
[<ffffffff9c9988fa>] lockref_get_not_dead+0x4a/0x90
[<ffffffff9c859734>] unlazy_walk+0x54/0x140
[<ffffffff9c85a49b>] lookup_fast+0x16b/0x230
[<ffffffff9c85e24e>] do_last+0x3de/0x1340
[<ffffffff9c85f27d>] path_openat+0xcd/0x5a0
[<ffffffff9c7f0177>] ? arch_tlb_finish_mmu+0x47/0x80
[<ffffffff9c7f9a84>] ? unmap_region+0xf4/0x140
[<ffffffff9c8614cd>] do_filp_open+0x4d/0xb0
[<ffffffff9c86f692>] ? __alloc_fd+0xc2/0x170
[<ffffffff9c84d3a4>] do_sys_open+0x124/0x220
[<ffffffff9c84d4d4>] SyS_openat+0x14/0x20
[<ffffffff9cd99f92>] system_call_fastpath+0x25/0x2a
Code: ff ff 66 0f 1f 44 00 00 0f 00 2d 5d a0 07 00 e9 14 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 e9 07 00 00 00 fb f4 <5d> c3 0f 1f 00 0f 00 2d 89 b0 07 00 eb f0 0f 1f 80 00 00 00 00