For us it happens running Ubuntu 16.04.2 LTS
$cat /etc/issue
Ubuntu 16.04.2 LTS \n \l
Apr 29 18:00:13 production1 kernel: [7352459.993408] huge_memory: mapcount 0
page_mapcount 1
Apr 29 18:00:13 production1 kernel: [7352459.993469] ------------[ cut here
]------------
Apr 29 18:00:13 production1 kernel: [7352459.993490] kernel BUG at
/build/linux-W6HB68/linux-4.4.0/mm/huge_memory.c:1931!
Apr 29 18:00:13 production1 kernel: [7352459.993520] invalid opcode: 0000 [#1]
SMP
Apr 29 18:00:13 production1 kernel: [7352459.993540] Modules linked in:
nfnetlink_queue nfnetlink_log nfnetlink bluetooth binfmt_misc ufs qnx4 hfsplus
hfs minix ntfs msdos jfs xfs ip6table_filter ip6_tables ipt_MASQUERADE
nf_nat_masquerade_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_tcpudp
xt_conntrack iptable_filter iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4
nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables intel_rapl
x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass joydev
input_leds sb_edac edac_core ipmi_ssif lpc_ich mei_me mei ioatdma shpchp
ipmi_si 8250_fintek ipmi_msghandler acpi_power_meter acpi_pad mac_hid ib_iser
rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp
libiscsi scsi_transport_iscsi autofs4 btrfs raid456 async_raid6_recov
async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid0 multipath
linear hid_generic ast ttm drm_kms_helper crct10dif_pclmul syscopyarea
sysfillrect raid10 crc32_pclmul raid1 ghash_
clmulni_intel aesni_intel aes_x86_64 igb lrw gf128mul sysimgblt glue_helper
ablk_helper fb_sys_fops cryptd usbhid dca mpt3sas ahci ptp drm hid raid_class
libahci pps_core i2c_algo_bit scsi_transport_sas wmi fjes
Apr 29 18:00:13 production1 kernel: [7352460.001736] CPU: 16 PID: 227 Comm:
kswapd1 Not tainted 4.4.0-62-generic #83-Ubuntu
Apr 29 18:00:13 production1 kernel: [7352460.002906] Hardware name: Supermicro
Super Server/X10DRi-LN4+, BIOS 2.0a 09/16/2016
Apr 29 18:00:13 production1 kernel: [7352460.004084] task: ffff883f65a5c600 ti:
ffff883f6227c000 task.ti: ffff883f6227c000
Apr 29 18:00:13 production1 kernel: [7352460.005276] RIP:
0010:[<ffffffff811f96ff>] [<ffffffff811f96ff>]
split_huge_page_to_list+0x74f/0x7a0
Apr 29 18:00:13 production1 kernel: [7352460.006454] RSP: 0018:ffff883f6227f9c0
EFLAGS: 00010282
Apr 29 18:00:13 production1 kernel: [7352460.007627] RAX: 0000000000000027 RBX:
ffffea013f3e0000 RCX: 0000000000000000
Apr 29 18:00:13 production1 kernel: [7352460.008771] RDX: 0000000000000000 RSI:
ffff887f7f18dd58 RDI: ffff887f7f18dd58
Apr 29 18:00:13 production1 kernel: [7352460.009966] RBP: ffff883f6227fa50 R08:
0000000000000000 R09: 0000000000012f00
Apr 29 18:00:13 production1 kernel: [7352460.011154] R10: 000000000000001c R11:
0000000000012f00 R12: 0000000000000000
Apr 29 18:00:13 production1 kernel: [7352460.012287] R13: ffff883f6227fc00 R14:
ffffea013f3e0000 R15: ffff883f6227fb28
Apr 29 18:00:13 production1 kernel: [7352460.013435] FS:
0000000000000000(0000) GS:ffff887f7f180000(0000) knlGS:0000000000000000
Apr 29 18:00:13 production1 kernel: [7352460.014563] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Apr 29 18:00:13 production1 kernel: [7352460.015676] CR2: 00000000b5ace000 CR3:
0000000001e0a000 CR4: 00000000003406e0
Apr 29 18:00:13 production1 kernel: [7352460.016792] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Apr 29 18:00:13 production1 kernel: [7352460.017928] DR3: 0000000000000000 DR6:
00000000fffe0ff0 DR7: 0000000000000400
Apr 29 18:00:13 production1 kernel: [7352460.019064] Stack:
Apr 29 18:00:13 production1 kernel: [7352460.020143] ffffffff811d6c06
0000000000000000 0000000000000001 00000001002f93f1
Apr 29 18:00:13 production1 kernel: [7352460.021262] ffff887f27dd1540
ffff883f6227fc00 ffff887f27dd1500 ffffffff81e71e80
Apr 29 18:00:13 production1 kernel: [7352460.022342] 0000000000120000
ffff883800000000 ffff883f610fe400 ffff883f6227fa50
Apr 29 18:00:13 production1 kernel: [7352460.023436] Call Trace:
Apr 29 18:00:13 production1 kernel: [7352460.024527] [<ffffffff811d6c06>] ?
scan_swap_map+0x396/0x4e0
Apr 29 18:00:13 production1 kernel: [7352460.025658] [<ffffffff811d4734>]
add_to_swap+0x74/0x80
Apr 29 18:00:13 production1 kernel: [7352460.026742] [<ffffffff811a4bfd>]
shrink_page_list+0x2dd/0x7a0
Apr 29 18:00:13 production1 kernel: [7352460.027847] [<ffffffff811a5759>]
shrink_inactive_list+0x209/0x520
Apr 29 18:00:13 production1 kernel: [7352460.028914] [<ffffffff811a63e3>]
shrink_lruvec+0x583/0x740
Apr 29 18:00:13 production1 kernel: [7352460.029992] [<ffffffff811a668f>]
shrink_zone+0xef/0x2e0
Apr 29 18:00:13 production1 kernel: [7352460.031022] [<ffffffff811a794e>]
kswapd+0x51e/0x990
Apr 29 18:00:13 production1 kernel: [7352460.032041] [<ffffffff811a7430>] ?
mem_cgroup_shrink_node_zone+0x1c0/0x1c0
Apr 29 18:00:13 production1 kernel: [7352460.033102] [<ffffffff810a0ba8>]
kthread+0xd8/0xf0
Apr 29 18:00:13 production1 kernel: [7352460.034139] [<ffffffff810a0ad0>] ?
kthread_create_on_node+0x1e0/0x1e0
Apr 29 18:00:13 production1 kernel: [7352460.035144] [<ffffffff8183898f>]
ret_from_fork+0x3f/0x70
Apr 29 18:00:13 production1 kernel: [7352460.036123] [<ffffffff810a0ad0>] ?
kthread_create_on_node+0x1e0/0x1e0
Apr 29 18:00:13 production1 kernel: [7352460.037099] Code: ff 3f 00 00 0f 85 fd
fe ff ff 48 83 e1 fd e9 f4 fe ff ff 0f 0b 41 8b 56 18 8b 75 b8 48 c7 c7 08 1c
cd 81 83 c2 01 e8 e8 3d f9 ff <0f> 0b 0f 0b 31 c0 eb a9 0f 0b 8b 55 98 39 55 8c
75 21 65 48 ff
Apr 29 18:00:13 production1 kernel: [7352460.039204] RIP [<ffffffff811f96ff>]
split_huge_page_to_list+0x74f/0x7a0
Apr 29 18:00:13 production1 kernel: [7352460.040257] RSP <ffff883f6227f9c0>
Apr 29 18:00:13 production1 kernel: [7352460.044781] ---[ end trace
925b3817749d5c28 ]---
** Changed in: linux (Ubuntu)
Status: Expired => Confirmed
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https://bugs.launchpad.net/bugs/1644056
Title:
kernel BUG at /build/linux-lts-xenial-gUF4JR/linux-lts-
xenial-4.4.0/mm/huge_memory.c:1931!
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