BUG: soft lockup - CPU#0 stuck for 21s! [ksmtuned:678]
Modules linked in: xt_CHECKSUM ipt_MASQUERADE nf_nat_masquerade_ipv4 tun ip6t_rpfilter ipt_REJECT ip6t_REJECT xt_conntrack ip_set nfnetlink ebtable_nat ebtable_broute bridge stp llc ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter vmw_vsock_vmci_transport vsock coretemp crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd ppdev pcspkr vmw_balloon sg parport_pc vmw_vmci shpchp parport i2c_piix4 ip_tables xfs libcrc32c sd_mod crc_t10dif crct10dif_generic sr_mod cdrom ata_generic pata_acpi crct10dif_pclmul crct10dif_common
crc32c_intel vmwgfx serio_raw drm_kms_helper mptspi ttm scsi_transport_spi mptscsih ata_piix mptbase vmxnet3 drm i2c_core libata floppy dm_mirror dm_region_hash dm_log dm_mod
CPU: 0 PID: 678 Comm: ksmtuned Tainted: G             L ------------   3.10.0-327.18.2.el7.x86_64 #1
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 09/30/2014
task: ffff8800bba0dc00 ti: ffff8800bba40000 task.ti: ffff8800bba40000
RIP: 0010:[<ffffffff811954b0>]  [<ffffffff811954b0>] copy_pte_range+0x210/0x500
RSP: 0000:ffff8800bba43c60  EFLAGS: 00010286
RAX: ffffea0006005500 RBX: ffff8800bb941098 RCX: 0000000006005500
RDX: ffffea0006005500 RSI: 0000000002671000 RDI: 8000000180154045
RBP: ffff8800bba43d08 R08: ffff8800bb944ca8 R09: 0000000000017c00
R10: ffff88023ffd5000 R11: 0000000000000000 R12: 00000000bba0dc00
R13: 0000000000000000 R14: ffffffff811b46b9 R15: ffff8800bba43c00
FS:  00007f5e89099740(0000) GS:ffff88023fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00007f9038900e50 CR3: 00000000bb946000 CR4: 00000000000407f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Stack:
ffff880035ef5358 ffff8800b421f298 ffff8800bba0dc00 ffff8800bb941098
ffff880035ef52c0 ffffea0002ee4ff0 ffffea0008a59e70 ffff88016c1f1098
ffff880229679328 ffff8800b421f200 ffff8800bba43fd8 ffff8800bb944ca8
Call Trace:
[<ffffffff811966cf>] copy_page_range+0x2ff/0x480
[<ffffffff810788d2>] dup_mm+0x362/0x670
[<ffffffff81079cf9>] copy_process.part.25+0x10e9/0x1610
[<ffffffff8107a401>] do_fork+0xe1/0x320
[<ffffffff81090731>] ? __set_task_blocked+0x41/0xa0
[<ffffffff8107a6c6>] SyS_clone+0x16/0x20
[<ffffffff81646519>] stub_clone+0x69/0x90
[<ffffffff816461c9>] ? system_call_fastpath+0x16/0x1b
Code: 89 d8 48 8b 7d b0 4c 89 f6 48 25 bf f7 ff ff f6 45 b8 08 48 0f 45 d8 48 83 e3 df 48 89 da e8 f8 e8 ff ff 48 85 c0 48 89 c2 74 1e <48> 8b 00 f6 c4 80 0f 85 a4 01 00 00 3e ff 42 1c 3e ff 42 18 f6