Backtrace

NMI watchdog: BUG: soft lockup - CPU#35 stuck for 22s! [python:46527]
Modules linked in: xt_CHECKSUM iptable_mangle ipt_REJECT nf_reject_ipv4 tun devlink ebtable_filter ebtables ip6table_filter ip6_tables nfsv3 nfs_acl nfs lockd grace fscache xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink nfnetlink iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_addrtype iptable_filter br_netfilter bridge stp llc overlay(T) sunrpc iTCO_wdt iTCO_vendor_support mxm_wmi intel_powerclamp coretemp intel_rapl iosf_mbi kvm_intel kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd uas usb_storage pcspkr sg sb_edac edac_core i2c_i801 mei_me lpc_ich mei shpchp ipmi_devintf fjes ipmi_si ipmi_msghandler wmi acpi_pad acpi_power_meter ip_tables xfs libcrc32c sr_mod cdrom sd_mod
crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32c_intel ast drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm ixgbe ahci igb libahci mdio ptp libata pps_core i2c_algo_bit dca i2c_core dm_mirror dm_region_hash dm_log dm_mod
CPU: 35 PID: 46527 Comm: python Tainted: G             L ------------ T 3.10.0-514.el7.x86_64 #1
Hardware name: Supermicro X10DRi/X10DRi, BIOS 3.1a 04/16/2019
task: ffff880469084e70 ti: ffff880a5eb2c000 task.ti: ffff880a5eb2c000
RIP: 0010:[<ffffffff811a6885>]  [<ffffffff811a6885>] isolate_freepages_block+0xa5/0x2c0
RSP: 0000:ffff880a5eb2f608  EFLAGS: 00000212
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff880a5eb2f7f0
RDX: 00000000022ee000 RSI: ffff880a5eb2f848 RDI: ffff880a5eb2f7f0
RBP: ffff880a5eb2f698 R08: 0000000000000000 R09: ffff88387ffd7000
R10: 000000000379f000 R11: 0000000003880000 R12: 0000000000000003
R13: 0000000000000001 R14: ffff88387fbca9c0 R15: ffff88387ffd7000
FS:  00007f70f0d65440(0000) GS:ffff88381f040000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f701540002f CR3: 0000000bfb375000 CR4: 00000000003407e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
0000000003880000 0000000000000068 ffff880a5eb2f6e8 0000000000000068
ffff880a5eb2f7f0 ffff880a5eb2f830 ffff880a5eb2f848 ffff880a5eb2f7f0
ffff88387ffd7000 0000000000000000 00000000022ee000 0000000000000001
Call Trace:
[<ffffffff811a6cb5>] compaction_alloc+0x215/0x290
[<ffffffff811e3969>] migrate_pages+0x219/0x790
[<ffffffff811a6aa0>] ? isolate_freepages_block+0x2c0/0x2c0
[<ffffffff811a7bb9>] compact_zone+0x2d9/0x430
[<ffffffff811a7dac>] compact_zone_order+0x9c/0xf0
[<ffffffff811a8161>] try_to_compact_pages+0x121/0x1a0
[<ffffffff8168139f>] __alloc_pages_direct_compact+0xac/0x196
[<ffffffff81681873>] __alloc_pages_slowpath+0x3ea/0x725
[<ffffffff8118af55>] __alloc_pages_nodemask+0x405/0x420
[<ffffffff811d20ba>] alloc_pages_vma+0x9a/0x150
[<ffffffff811eb5e3>] do_huge_pmd_anonymous_page+0x123/0x520
[<ffffffff811b1347>] handle_mm_fault+0xc37/0xfe0
[<ffffffff81691a94>] __do_page_fault+0x154/0x450
[<ffffffff810c7d45>] ? sched_clock_cpu+0x85/0xc0
[<ffffffff81691dc5>] do_page_fault+0x35/0x90
[<ffffffff8168e088>] page_fault+0x28/0x30
[<ffffffff81207297>] ? pipe_read+0x147/0x4c0
[<ffffffff81207240>] ? pipe_read+0xf0/0x4c0
[<ffffffff811fd7ed>] do_sync_read+0x8d/0xd0
[<ffffffff811fdf9e>] vfs_read+0x9e/0x170
[<ffffffff811feb6f>] SyS_read+0x7f/0xe0
[<ffffffff816965c9>] system_call_fastpath+0x16/0x1b
Code: a0 48 89 4d 90 45 89 c5 83 f8 80 74 2e 45 84 ed 0f 85 10 01 00 00 49 83 c4 01 48 83 c3 40 4c 39 65 c0 0f 86 fe 00 00 00 8b 43 18 <41> 83 c7 01 4d 85 f6 4c 0f 44 f3 83 f8 80 75 d2 48 8b 45 a8 0f