Backtrace

NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/u96:0:5751]
Modules linked in: ip_set_hash_ipportnet ip_set_bitmap_port ip_set_hash_ipportip ip_set_hash_ipport xt_set xt_addrtype xt_multiport ip_set_hash_ip ip_set_hash_net ip_set ipip tunnel4 ip_tunnel veth rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache dummy iptable_raw xt_CT ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 xt_comment xt_mark nf_conntrack_netlink nfnetlink overlay(T) xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat xt_conntrack ipt_REJECT nf_reject_ipv4 tun ebtable_filter ebtables devlink ip6table_filter ip6_tables iptable_filter sunrpc ppdev sg virtio_balloon joydev parport_pc parport i2c_piix4 pcspkr br_netfilter bridge stp llc nf_conntrack_ipv4 nf_defrag_ipv4 ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs nf_conntrack
ip_tables xfs libcrc32c sr_mod cdrom ata_generic pata_acpi virtio_blk virtio_console virtio_scsi virtio_net cirrus drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm floppy ata_piix libata serio_raw virtio_pci drm_panel_orientation_quirks virtio_ring virtio dm_mirror dm_region_hash dm_log dm_mod
CPU: 1 PID: 5751 Comm: kworker/u96:0 Kdump: loaded Tainted: G             L ------------ T 3.10.0-957.el7.x86_64 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.1-0-g0551a4be2c-prebuilt.qemu-project.org 04/01/2014
Workqueue: writeback bdi_writeback_workfn (flush-253:2)
task: ffff9668b8bd8000 ti: ffff967214a5c000 task.ti: ffff967214a5c000
RIP: 0010:[<ffffffffa2f1173a>]  [<ffffffffa2f1173a>] smp_call_function_many+0x20a/0x270
RSP: 0018:ffff967214a5f820  EFLAGS: 00000202
RAX: 0000000000000000 RBX: 00080000a2e7a3d0 RCX: ffff96723ea1fb80
RDX: 0000000000000000 RSI: 0000000000000030 RDI: 0000000000000000
RBP: ffff967214a5f858 R08: ffff9663a9523400 R09: ffffffffa31755c9
R10: ffff96723ea5f160 R11: ffffd949fe2adc00 R12: 0000000000000286
R13: 0000000000000286 R14: ffff967214a5f7d0 R15: ffff9663bfc03300
FS:  0000000000000000(0000) GS:ffff96723ea40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb49d7aa020 CR3: 000000015a810000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
[<ffffffffa2e7a598>] native_flush_tlb_others+0xb8/0xc0
[<ffffffffa2e7a734>] flush_tlb_page+0x54/0xa0
[<ffffffffa2ffd587>] ptep_clear_flush+0x67/0xa0
[<ffffffffa2ff6b66>] page_mkclean_one+0xa6/0xe0
[<ffffffffa2ff8983>] rmap_walk+0xf3/0x360
[<ffffffffa2ff8d96>] page_mkclean+0x76/0xb0
[<ffffffffa2ff6ac0>] ? page_referenced_one+0x180/0x180
[<ffffffffa2ff6200>] ? percpu_flush_tlb_batch_pages+0x20/0x20
[<ffffffffa2fc1d60>] clear_page_dirty_for_io+0x50/0xd0
[<ffffffffa2fc200a>] write_cache_pages+0x22a/0x4e0
[<ffffffffc053a5b0>] ? xfs_aops_discard_page+0x150/0x150 [xfs]
[<ffffffffa3144f30>] ? submit_bio+0x70/0x150
[<ffffffffa2ee00bc>] ? update_curr+0x14c/0x1e0
[<ffffffffa2ee39b4>] ? update_group_power+0x174/0x280
[<ffffffffc053a3ab>] xfs_vm_writepages+0x6b/0xa0 [xfs]
[<ffffffffa2fc3181>] do_writepages+0x21/0x50
[<ffffffffa306f930>] __writeback_single_inode+0x40/0x260
[<ffffffffa30703c4>] writeback_sb_inodes+0x1c4/0x490
[<ffffffffa307072f>] __writeback_inodes_wb+0x9f/0xd0
[<ffffffffa3070f63>] wb_writeback+0x263/0x2f0
[<ffffffffa2fc2830>] ? bdi_dirty_limit+0x40/0xe0
[<ffffffffa30717ec>] bdi_writeback_workfn+0x1cc/0x460
[<ffffffffa2eb9d4f>] process_one_work+0x17f/0x440
[<ffffffffa2ebade6>] worker_thread+0x126/0x3c0
[<ffffffffa2ebacc0>] ? manage_workers.isra.25+0x2a0/0x2a0
[<ffffffffa2ec1c31>] kthread+0xd1/0xe0
[<ffffffffa2ec1b60>] ? insert_kthread_work+0x40/0x40
[<ffffffffa3574c37>] ret_from_fork_nospec_begin+0x21/0x21
[<ffffffffa2ec1b60>] ? insert_kthread_work+0x40/0x40
Code: 48 63 35 4e 83 c4 00 89 c2 39 f0 0f 8d 7d fe ff ff 48 98 49 8b 0f 48 03 0c c5 60 b9 b4 a3 f6 41 20 01 74 cd 0f 1f 44 00 00 f3 90 <f6> 41 20 01 75 f8 48 63 35 1d 83 c4 00 eb b7 0f b6 4d cc 4c 89