I was unable to login to the host via ssh and from the console, kernel messages on the console
```
[20647450.915277] NMI watchdog: BUG: soft lockup - CPU#5 stuck for 23s! [kworker/u98:3:31950]
[20647450.924499] Modules linked in: cpuid binfmt_misc nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter xt_NFLOG xt_limit xt_tcpudp xt_pkttype nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack ip6table_filter ip6_tables nfnetlink_log nfnetlink intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp mgag200 iTCO_wdt ttm iTCO_vendor_support mxm_wmi dcdbas drm_kms_helper kvm drm irqbypass i2c_algo_bit crct10dif_pclmul crc32_pclmul sg ghash_clmulni_intel mei_me lpc_ich pcspkr evdev mfd_core mei shpchp ipmi_si wmi button ipmi_devintf ipmi_msghandler nf_conntrack ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto ecb mbcache dm_mod sd_mod ahci libahci ehci_pci aesni_intel ehci_hcd aes_x86_64 glue_helper lrw gf128mul bnx2x ablk_helper cryptd mdio libcrc32c tg3 libata crc32c_generic usbcore megaraid_sas ptp crc32c_intel usb_common pps_core libphy scsi_mod
[20647451.010391] CPU: 5 PID: 31950 Comm: kworker/u98:3 Tainted: G D W L 4.9.0-9-amd64 #1 Debian 4.9.168-1+deb9u2
[20647451.022424] Hardware name: Dell Inc. PowerEdge R730xd/072T6D, BIOS 2.5.5 08/16/2017
[20647451.031263] Workqueue: writeback wb_workfn (flush-8:96)
[20647451.037392] task: ffff94288c06e0c0 task.stack: ffffbcdb67e84000
[20647451.044286] RIP: 0010:[<ffffffff908c5b2f>] [<ffffffff908c5b2f>] native_queued_spin_lock_slowpath+0x5f/0x1a0
[20647451.055556] RSP: 0018:ffffbcdb67e87bc8 EFLAGS: 00000202
[20647451.061772] RAX: 0000000000000101 RBX: ffff941b31a105a8 RCX: ffff941c08ae81e8
[20647451.070025] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff941c08ae8270
[20647451.078278] RBP: ffff941b33a1d000 R08: ffff941b92cfc648 R09: ffff941fadb02810
[20647451.086531] R10: ffff941fadb02810 R11: 0000000000000008 R12: ffff941c08ae82d8
[20647451.094783] R13: 0000000000000000 R14: ffffbcdb67e87db0 R15: ffff941b31a10580
[20647451.103035] FS: 0000000000000000(0000) GS:ffff942b3f080000(0000) knlGS:0000000000000000
[20647451.112354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[20647451.119055] CR2: 00007f0ef2bec000 CR3: 000000152a408000 CR4: 0000000000360670
[20647451.127307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[20647451.135558] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[20647451.143809] Stack:
[20647451.146340] ffffffff90e1a79d ffffffff90a3b94e ffff941b31a105d8 ffff94288c06e0c0
[20647451.154923] ffff941b31a105b8 0000000233a97319 ffff941c08ae8270 ffff941c08ae81e8
[20647451.163503] ffff941b92cfc558 0000000000000000 0000000000000000 0000000000000000
[20647451.172086] Call Trace:
[20647451.175107] [<ffffffff90e1a79d>] ? _raw_spin_lock+0x1d/0x20
[20647451.181712] [<ffffffff90a3b94e>] ? writeback_sb_inodes+0x13e/0x4f0
[20647451.188996] [<ffffffff90a3bd87>] ? __writeback_inodes_wb+0x87/0xb0
[20647451.196281] [<ffffffff90a3c0fe>] ? wb_writeback+0x27e/0x310
[20647451.202890] [<ffffffff90a2798c>] ? get_nr_inodes+0x3c/0x60
[20647451.209397] [<ffffffff90a3ca64>] ? wb_workfn+0x2b4/0x380
[20647451.215713] [<ffffffff9089460a>] ? process_one_work+0x18a/0x430
[20647451.222706] [<ffffffff908948fd>] ? worker_thread+0x4d/0x490
[20647451.229309] [<ffffffff908948b0>] ? process_one_work+0x430/0x430
[20647451.236302] [<ffffffff9089a969>] ? kthread+0xd9/0xf0
[20647451.242229] [<ffffffff90e1a9a4>] ? __switch_to_asm+0x34/0x70
[20647451.248930] [<ffffffff9089a890>] ? kthread_park+0x60/0x60
[20647451.255342] [<ffffffff90e1aa37>] ? ret_from_fork+0x57/0x70
[20647451.261847] Code: 75 42 f0 0f ba 2f 08 b8 00 01 00 00 0f 42 f0 8b 07 30 e4 09 c6 f7 c6 00 ff ff ff 75 1b 85 f6 74 0e 8b 07 84 c0 74 08 f3 90 8b 07 <84> c0 75 f8 b8 01 00 00 00 66 89 07 c3 81 e6 00 ff 00 00 75 04
[20647459.139205] NMI watchdog: BUG: soft lockup - CPU#34 stuck for 22s! [DiskHealthMonit:27744]
[20647459.148720] Modules linked in: cpuid binfmt_misc nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter xt_NFLOG xt_limit xt_tcpudp xt_pkttype nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack ip6table_filter ip6_tables nfnetlink_log nfnetlink intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp mgag200 iTCO_wdt ttm iTCO_vendor_support mxm_wmi dcdbas drm_kms_helper kvm drm irqbypass i2c_algo_bit crct10dif_pclmul crc32_pclmul sg ghash_clmulni_intel mei_me lpc_ich pcspkr evdev mfd_core mei shpchp ipmi_si wmi button ipmi_devintf ipmi_msghandler nf_conntrack ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto ecb mbcache dm_mod sd_mod ahci libahci ehci_pci aesni_intel ehci_hcd aes_x86_64 glue_helper lrw gf128mul bnx2x ablk_helper cryptd mdio libcrc32c tg3 libata crc32c_generic usbcore megaraid_sas ptp crc32c_intel usb_common pps_core libphy scsi_mod
[20647459.234565] CPU: 34 PID: 27744 Comm: DiskHealthMonit Tainted: G D W L 4.9.0-9-amd64 #1 Debian 4.9.168-1+deb9u2
[20647459.246891] Hardware name: Dell Inc. PowerEdge R730xd/072T6D, BIOS 2.5.5 08/16/2017
[20647459.255724] task: ffff940ccb71c0c0 task.stack: ffffbcdb4fc30000
[20647459.262620] RIP: 0010:[<ffffffff908c5bda>] [<ffffffff908c5bda>] native_queued_spin_lock_slowpath+0x10a/0x1a0
[20647459.273986] RSP: 0018:ffffbcdb4fc33b18 EFLAGS: 00000246
[20647459.280203] RAX: 0000000000000000 RBX: ffff941b31a10580 RCX: 0000000000000000
[20647459.288456] RDX: ffff941b3fc59480 RSI: 00000000008c0000 RDI: ffff941b31a105d8
[20647459.296708] RBP: ffff940f51a39658 R08: 0000000000000000 R09: 000000000000007c
[20647459.304961] R10: ffff942b38219000 R11: ffffeb71397193c0 R12: ffff940f51a396e0
[20647459.313214] R13: ffffffff91202e90 R14: ffff941b31a105d8 R15: 0000000000000000
[20647459.321467] FS: 00007fb2cbdd0700(0000) GS:ffff941b3fc40000(0000) knlGS:0000000000000000
[20647459.330785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[20647459.337487] CR2: 00007fb3085c11f8 CR3: 00000019c2736000 CR4: 0000000000360670
[20647459.345740] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[20647459.353993] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[20647459.362245] Stack:
[20647459.364777] ffffffff90e1a79d ffffffff90a3ab3a ffffbcdb4fc33cb8 0000000000000000
[20647459.373357] 0000000000000003 ffff940f51a39658 ffff940f51a396e0 0000000000000000
[20647459.381936] ffffffff90a3b10d ffff942b33bbd800 ffff940f51a39658 ffffbcdb4fc33c94
[20647459.390516] Call Trace:
[20647459.393536] [<ffffffff90e1a79d>] ? _raw_spin_lock+0x1d/0x20
[20647459.400142] [<ffffffff90a3ab3a>] ? locked_inode_to_wb_and_lock_list+0x5a/0x180
[20647459.408589] [<ffffffff90a3b10d>] ? __mark_inode_dirty+0x24d/0x360
[20647459.415790] [<ffffffffc0466b48>] ? ext4_mb_new_blocks+0xe8/0xaf0 [ext4]
[20647459.423567] [<ffffffffc04570c4>] ? ext4_find_extent+0x264/0x310 [ext4]
[20647459.431246] [<ffffffffc045bca2>] ? ext4_ext_map_blocks+0xb82/0x1320 [ext4]
[20647459.439313] [<ffffffffc045ed05>] ? __ext4_handle_dirty_metadata+0x45/0x1c0 [ext4]
[20647459.448057] [<ffffffffc0429964>] ? ext4_map_blocks+0x164/0x5d0 [ext4]
[20647459.455637] [<ffffffffc042a860>] ? ext4_getblk+0x50/0x190 [ext4]
[20647459.462733] [<ffffffffc042a9bf>] ? ext4_bread+0x1f/0xb0 [ext4]
[20647459.469635] [<ffffffffc04344e8>] ? ext4_append+0x48/0xd0 [ext4]
[20647459.476634] [<ffffffffc0439956>] ? ext4_mkdir+0x276/0x470 [ext4]
[20647459.483725] [<ffffffff90a18e0c>] ? vfs_mkdir+0x10c/0x1a0
[20647459.490037] [<ffffffff90a1d7fe>] ? SyS_mkdir+0xce/0x120
[20647459.496255] [<ffffffff90803b7d>] ? do_syscall_64+0x8d/0x100
[20647459.502860] [<ffffffff90e1a88e>] ? entry_SYSCALL_64_after_swapgs+0x58/0xc6
[20647459.510918] Code: c9 74 41 c1 e9 12 83 e0 03 83 e9 01 48 c1 e0 04 48 63 c9 48 05 80 94 01 00 48 03 04 cd e0 f3 26 91 48 89 10 8b 42 08 85 c0 75 09 <f3> 90 8b 42 08 85 c0 74 f7 4c 8b 02 4d 85 c0 74 08 41 0f 0d 08
[20647466.787140] NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [DataXceiver for:7272]
[20647466.796477] Modules linked in: cpuid binfmt_misc nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter xt_NFLOG xt_limit xt_tcpudp xt_pkttype nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack ip6table_filter ip6_tables nfnetlink_log nfnetlink intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp mgag200 iTCO_wdt ttm iTCO_vendor_support mxm_wmi dcdbas drm_kms_helper kvm drm irqbypass i2c_algo_bit crct10dif_pclmul crc32_pclmul sg ghash_clmulni_intel mei_me lpc_ich pcspkr evdev mfd_core mei shpchp ipmi_si wmi button ipmi_devintf ipmi_msghandler nf_conntrack ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto ecb mbcache dm_mod sd_mod ahci libahci ehci_pci aesni_intel ehci_hcd aes_x86_64 glue_helper lrw gf128mul bnx2x ablk_helper cryptd mdio libcrc32c tg3 libata crc32c_generic usbcore megaraid_sas ptp crc32c_intel usb_common pps_core libphy scsi_mod
[20647466.882342] CPU: 0 PID: 7272 Comm: DataXceiver for Tainted: G D W L 4.9.0-9-amd64 #1 Debian 4.9.168-1+deb9u2
[20647466.894473] Hardware name: Dell Inc. PowerEdge R730xd/072T6D, BIOS 2.5.5 08/16/2017
[20647466.903307] task: ffff9414d4e7c100 task.stack: ffffbcdb6286c000
[20647466.910203] RIP: 0010:[<ffffffff908c5bf5>] [<ffffffff908c5bf5>] native_queued_spin_lock_slowpath+0x125/0x1a0
[20647466.921563] RSP: 0018:ffffbcdb6286fc98 EFLAGS: 00000202
[20647466.927779] RAX: 0000000000000000 RBX: ffff941b31a10580 RCX: 00000000008c0101
[20647466.936032] RDX: ffff941b3f819480 RSI: 0000000000040000 RDI: ffff941b31a105d8
[20647466.944284] RBP: ffff94161fbeb518 R08: 0000000000000000 R09: 000000000000007c
[20647466.952536] R10: ffff942b38219000 R11: ffff941b3326ec38 R12: ffff94161fbeb5a0
[20647466.960788] R13: ffffffff91202e90 R14: ffff941b31a105d8 R15: 0000000000000000
[20647466.969041] FS: 00007f81c032e700(0000) GS:ffff941b3f800000(0000) knlGS:0000000000000000
[20647466.978359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[20647466.985060] CR2: 00007f81c0318db8 CR3: 00000002a471a000 CR4: 0000000000360670
[20647466.993313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[20647467.001564] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[20647467.009816] Stack:
[20647467.012347] ffffffff90e1a79d ffffffff90a3ab3a ffff94161fbeb518 0000000000000000
[20647467.020928] 0000000000000001 ffff94161fbeb518 ffff94161fbeb5a0 0000000000000000
[20647467.029509] ffffffff90a3b10d ffff94161fbeb518 ffffbcdb6286fd40 0000000000000000
[20647467.038090] Call Trace:
[20647467.041110] [<ffffffff90e1a79d>] ? _raw_spin_lock+0x1d/0x20
[20647467.047719] [<ffffffff90a3ab3a>] ? locked_inode_to_wb_and_lock_list+0x5a/0x180
[20647467.056167] [<ffffffff90a3b10d>] ? __mark_inode_dirty+0x24d/0x360
[20647467.063355] [<ffffffff90a284d9>] ? generic_update_time+0x79/0xd0
[20647467.070443] [<ffffffff90a286e6>] ? current_time+0x36/0x70
[20647467.076854] [<ffffffff90a287df>] ? file_update_time+0xbf/0x110
[20647467.083750] [<ffffffff90984ef9>] ? __generic_file_write_iter+0x99/0x1b0
[20647467.091540] [<ffffffffc0423200>] ? ext4_file_write_iter+0x90/0x380 [ext4]
[20647467.099495] [<ffffffff90cf3a07>] ? sock_write_iter+0x87/0x100
[20647467.106295] [<ffffffff90a0b450>] ? new_sync_write+0xe0/0x130
[20647467.111134] NMI watchdog: BUG: soft lockup - CPU#30 stuck for 23s! [DataXceiver for:7241]
[20647467.111173] Modules linked in: cpuid binfmt_misc nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter xt_NFLOG xt_limit xt_tcpudp xt_pkttype nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack ip6table_filter ip6_tables nfnetlink_log nfnetlink intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp mgag200 iTCO_wdt ttm iTCO_vendor_support mxm_wmi dcdbas drm_kms_helper kvm drm irqbypass i2c_algo_bit crct10dif_pclmul crc32_pclmul sg ghash_clmulni_intel mei_me lpc_ich pcspkr evdev mfd_core mei shpchp ipmi_si wmi button ipmi_devintf ipmi_msghandler nf_conntrack ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto ecb mbcache dm_mod sd_mod ahci libahci ehci_pci aesni_intel ehci_hcd aes_x86_64 glue_helper lrw gf128mul bnx2x ablk_helper cryptd mdio libcrc32c tg3 libata crc32c_generic usbcore megaraid_sas
[20647467.111176] ptp crc32c_intel usb_common pps_core libphy scsi_mod
[20647467.111177] CPU: 30 PID: 7241 Comm: DataXceiver for Tainted: G D W L 4.9.0-9-amd64 #1 Debian 4.9.168-1+deb9u2
[20647467.111178] Hardware name: Dell Inc. PowerEdge R730xd/072T6D, BIOS 2.5.5 08/16/2017
[20647467.111179] task: ffff94171f8fb140 task.stack: ffffbcdb6076c000
[20647467.111182] RIP: 0010:[<ffffffff908c5b2b>] [<ffffffff908c5b2b>] native_queued_spin_lock_slowpath+0x5b/0x1a0
[20647467.111183] RSP: 0018:ffffbcdb6076fc98 EFLAGS: 00000202
[20647467.111183] RAX: 00000000008c0101 RBX: ffff941b31a10580 RCX: 0000000000000000
[20647467.111184] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff941b31a105d8
[20647467.111185] RBP: ffff9416ae0faa08 R08: 0000000000000000 R09: 000000000000007c
[20647467.111185] R10: ffff942b38219000 R11: ffff941b33bdcb38 R12: ffff9416ae0faa90
[20647467.111186] R13: ffffffff91202e90 R14: ffff941b31a105d8 R15: 0000000000000000
[20647467.111187] FS: 00007f81c204b700(0000) GS:ffff941b3fbc0000(0000) knlGS:0000000000000000
[20647467.111188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[20647467.111189] CR2: 00007f81c2035da8 CR3: 00000002a471a000 CR4: 0000000000360670
[20647467.111190] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[20647467.111191] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[20647467.111191] Stack:
[20647467.111193] ffffffff90e1a79d ffffffff90a3ab3a ffff9416ae0faa08 0000000000000000
[20647467.111195] 0000000000000001 ffff9416ae0faa08 ffff9416ae0faa90 0000000000000000
[20647467.111197] ffffffff90a3b10d ffff9416ae0faa08 ffffbcdb6076fd40 0000000000000000
[20647467.111197] Call Trace:
[20647467.111200] [<ffffffff90e1a79d>] ? _raw_spin_lock+0x1d/0x20
[20647467.111202] [<ffffffff90a3ab3a>] ? locked_inode_to_wb_and_lock_list+0x5a/0x180
[20647467.111204] [<ffffffff90a3b10d>] ? __mark_inode_dirty+0x24d/0x360
[20647467.111205] [<ffffffff90a284d9>] ? generic_update_time+0x79/0xd0
[20647467.111207] [<ffffffff90a286e6>] ? current_time+0x36/0x70
[20647467.111208] [<ffffffff90a287df>] ? file_update_time+0xbf/0x110
[20647467.111210] [<ffffffff90984ef9>] ? __generic_file_write_iter+0x99/0x1b0
[20647467.111220] [<ffffffffc0423200>] ? ext4_file_write_iter+0x90/0x380 [ext4]
[20647467.111222] [<ffffffff90cf3a07>] ? sock_write_iter+0x87/0x100
[20647467.111225] [<ffffffff90a0b450>] ? new_sync_write+0xe0/0x130
[20647467.111227] [<ffffffff90a0bc40>] ? vfs_write+0xb0/0x190
[20647467.111229] [<ffffffff90a0d082>] ? SyS_write+0x52/0xc0
[20647467.111231] [<ffffffff90803b7d>] ? do_syscall_64+0x8d/0x100
[20647467.111233] [<ffffffff90e1a88e>] ? entry_SYSCALL_64_after_swapgs+0x58/0xc6
[20647467.111254] Code: 30 f6 85 f6 75 42 f0 0f ba 2f 08 b8 00 01 00 00 0f 42 f0 8b 07 30 e4 09 c6 f7 c6 00 ff ff ff 75 1b 85 f6 74 0e 8b 07 84 c0 74 08 <f3> 90 8b 07 84 c0 75 f8 b8 01 00 00 00 66 89 07 c3 81 e6 00 ff
[20647467.488202] [<ffffffff90a0bc40>] ? vfs_write+0xb0/0x190
[20647467.494419] [<ffffffff90a0d082>] ? SyS_write+0x52/0xc0
[20647467.500538] [<ffffffff90803b7d>] ? do_syscall_64+0x8d/0x100
[20647467.507143] [<ffffffff90e1a88e>] ? entry_SYSCALL_64_after_swapgs+0x58/0xc6
[20647467.515209] Code: 04 cd e0 f3 26 91 48 89 10 8b 42 08 85 c0 75 09 f3 90 8b 42 08 85 c0 74 f7 4c 8b 02 4d 85 c0 74 08 41 0f 0d 08 eb 02 f3 90 8b 0f <66> 85 c9 75 f7 89 c8 66 31 c0 39 c6 74 50 4d 85 c0 c6 07 01 74
<snip>
[20648243.132271] NMI watchdog: BUG: soft lockup - CPU#34 stuck for 22s! [DiskHealthMonit:27744]
[20648243.141787] Modules linked in: cpuid binfmt_misc nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter xt_NFLOG xt_limit xt_tcpudp xt_pkttype nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack ip6table_filter ip6_tables nfnetlink_log nfnetlink intel_rapl sb_edac edac_core x86_pkg_temp_thermal intel_powerclamp coretemp mgag200 iTCO_wdt ttm iTCO_vendor_support mxm_wmi dcdbas drm_kms_helper kvm drm irqbypass i2c_algo_bit crct10dif_pclmul crc32_pclmul sg ghash_clmulni_intel mei_me lpc_ich pcspkr evdev mfd_core mei shpchp ipmi_si wmi button ipmi_devintf ipmi_msghandler nf_conntrack ip_tables x_tables autofs4 ext4 crc16 jbd2 fscrypto ecb mbcache dm_mod sd_mod ahci libahci ehci_pci aesni_intel ehci_hcd aes_x86_64 glue_helper lrw gf128mul bnx2x ablk_helper cryptd mdio libcrc32c tg3 libata crc32c_generic usbcore megaraid_sas ptp crc32c_intel usb_common pps_core libphy scsi_mod
[20648243.227654] CPU: 34 PID: 27744 Comm: DiskHealthMonit Tainted: G D W L 4.9.0-9-amd64 #1 Debian 4.9.168-1+deb9u2
[20648243.239979] Hardware name: Dell Inc. PowerEdge R730xd/072T6D, BIOS 2.5.5 08/16/2017
[20648243.248813] task: ffff940ccb71c0c0 task.stack: ffffbcdb4fc30000
[20648243.255708] RIP: 0010:[<ffffffff908c5bdc>] [<ffffffff908c5bdc>] native_queued_spin_lock_slowpath+0x10c/0x1a0
[20648243.267076] RSP: 0018:ffffbcdb4fc33b18 EFLAGS: 00000246
[20648243.273292] RAX: 0000000000000000 RBX: ffff941b31a10580 RCX: 0000000000000000
[20648243.281545] RDX: ffff941b3fc59480 RSI: 00000000008c0000 RDI: ffff941b31a105d8
[20648243.289798] RBP: ffff940f51a39658 R08: 0000000000000000 R09: 000000000000007c
[20648243.298051] R10: ffff942b38219000 R11: ffffeb71397193c0 R12: ffff940f51a396e0
[20648243.306303] R13: ffffffff91202e90 R14: ffff941b31a105d8 R15: 0000000000000000
[20648243.314557] FS: 00007fb2cbdd0700(0000) GS:ffff941b3fc40000(0000) knlGS:0000000000000000
[20648243.323875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[20648243.330575] CR2: 00007fb3085c11f8 CR3: 00000019c2736000 CR4: 0000000000360670
[20648243.338826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[20648243.347079] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[20648243.355331] Stack:
[20648243.357863] ffffffff90e1a79d ffffffff90a3ab3a ffffbcdb4fc33cb8 0000000000000000
[20648243.366444] 0000000000000003 ffff940f51a39658 ffff940f51a396e0 0000000000000000
[20648243.375025] ffffffff90a3b10d ffff942b33bbd800 ffff940f51a39658 ffffbcdb4fc33c94
[20648243.383606] Call Trace:
[20648243.386628] [<ffffffff90e1a79d>] ? _raw_spin_lock+0x1d/0x20
[20648243.393227] [<ffffffff90a3ab3a>] ? locked_inode_to_wb_and_lock_list+0x5a/0x180
[20648243.401675] [<ffffffff90a3b10d>] ? __mark_inode_dirty+0x24d/0x360
[20648243.408884] [<ffffffffc0466b48>] ? ext4_mb_new_blocks+0xe8/0xaf0 [ext4]
[20648243.416662] [<ffffffffc04570c4>] ? ext4_find_extent+0x264/0x310 [ext4]
[20648243.424340] [<ffffffffc045bca2>] ? ext4_ext_map_blocks+0xb82/0x1320 [ext4]
[20648243.432406] [<ffffffffc045ed05>] ? __ext4_handle_dirty_metadata+0x45/0x1c0 [ext4]
[20648243.441149] [<ffffffffc0429964>] ? ext4_map_blocks+0x164/0x5d0 [ext4]
[20648243.448728] [<ffffffffc042a860>] ? ext4_getblk+0x50/0x190 [ext4]
[20648243.455824] [<ffffffffc042a9bf>] ? ext4_bread+0x1f/0xb0 [ext4]
[20648243.462726] [<ffffffffc04344e8>] ? ext4_append+0x48/0xd0 [ext4]
[20648243.469726] [<ffffffffc0439956>] ? ext4_mkdir+0x276/0x470 [ext4]
[20648243.476815] [<ffffffff90a18e0c>] ? vfs_mkdir+0x10c/0x1a0
[20648243.483129] [<ffffffff90a1d7fe>] ? SyS_mkdir+0xce/0x120
[20648243.489348] [<ffffffff90803b7d>] ? do_syscall_64+0x8d/0x100
[20648243.495953] [<ffffffff90e1a88e>] ? entry_SYSCALL_64_after_swapgs+0x58/0xc6
[20648243.504010] Code: 41 c1 e9 12 83 e0 03 83 e9 01 48 c1 e0 04 48 63 c9 48 05 80 94 01 00 48 03 04 cd e0 f3 26 91 48 89 10 8b 42 08 85 c0 75 09 f3 90 <8b> 42 08 85 c0 74 f7 4c 8b 02 4d 85 c0 74 08 41 0f 0d 08 eb 02
[20648245.096252] INFO: rcu_sched self-detected stall on CPU[20648245.100292] INFO: rcu_sched detected stalls on CPUs/tasks:
[20648245.100301] 5-...: (314314 ticks this GP) idle=765/140000000000001/0 softirq=932844528/932844528 fqs=155780
[20648245.100303]
[20648245.100307] (detected by 15, t=320352 jiffies, g=1017466716, c=1017466715, q=2398236)
[20648245.100308] Task dump for CPU 5:
[20648245.100309] kworker/u98:3 R
[20648245.100310] running task 0 31950 2 0x00000008
[20648245.100321] Workqueue: writeback wb_workfn
[20648245.100322] (flush-8:96) 0000000000000000
[20648245.100325] 0000000000000000 0000000000000000 d6a7379563f3a6bd ffff941b31a10708
[20648245.100329] ffff942b38184840 ffff942b3ed2e000 ffff942b37fced00 0000000000000000
[20648245.100333] ffff941b31a10710 ffffffff9089460a 000000008c06e0c0Call Trace:
[20648245.100343] [<ffffffff9089460a>] ? process_one_work+0x18a/0x430
[20648245.100346] [<ffffffff908948fd>] ? worker_thread+0x4d/0x490
[20648245.100349] [<ffffffff908948b0>] ? process_one_work+0x430/0x430
[20648245.100353] [<ffffffff9089a969>] ? kthread+0xd9/0xf0
[20648245.100357] [<ffffffff90e1a9a4>] ? __switch_to_asm+0x34/0x70
[20648245.100361] [<ffffffff9089a890>] ? kthread_park+0x60/0x60
[20648245.100364] [<ffffffff90e1aa37>] ? ret_from_fork+0x57/0x70
[20648245.225904] 5-...: (314314 ticks this GP) idle=765/140000000000001/0 softirq=932844528/932844528 fqs=155796
[20648245.237258] (t=320386 jiffies g=1017466716 c=1017466715 q=2398236)
[20648245.244648] Task dump for CPU 5:
[20648245.248537] kworker/u98:3 R running task 0 31950 2 0x00000008
[20648245.256716] Workqueue: writeback wb_workfn (flush-8:96)
[20648245.262853] ffffffff915198c0 ffffffff908a822b 0000000000000005 ffffffff915198c0
[20648245.271435] ffffffff90981a3e ffff942b3f0996c0 ffffffff9144fd40 0000000000000000
[20648245.280018] ffffffff915198c0 00000000ffffffff ffffffff908e3cba 0000000000000001
[20648245.288598] Call Trace:
[20648245.291615] <IRQ> [20648245.294051] [<ffffffff908a822b>] ? sched_show_task+0xcb/0x130
[20648245.300857] [<ffffffff90981a3e>] ? rcu_dump_cpu_stacks+0x92/0xb2
[20648245.307949] [<ffffffff908e3cba>] ? rcu_check_callbacks+0x75a/0x8b0
[20648245.315233] [<ffffffff908fa260>] ? tick_sched_do_timer+0x30/0x30
[20648245.322322] [<ffffffff908ea8a8>] ? update_process_times+0x28/0x50
[20648245.329509] [<ffffffff908f9c60>] ? tick_sched_handle.isra.12+0x20/0x50
[20648245.337180] [<ffffffff908fa298>] ? tick_sched_timer+0x38/0x70
[20648245.343978] [<ffffffff908eb37e>] ? __hrtimer_run_queues+0xde/0x250
[20648245.351260] [<ffffffff908eba5c>] ? hrtimer_interrupt+0x9c/0x1a0
[20648245.358255] [<ffffffff90e1de17>] ? smp_apic_timer_interrupt+0x47/0x60
[20648245.365830] [<ffffffff90e1c6a6>] ? apic_timer_interrupt+0x96/0xa0
[20648245.373015] <EOI> [20648245.375450] [<ffffffff908c5b2f>] ? native_queued_spin_lock_slowpath+0x5f/0x1a0
[20648245.383903] [<ffffffff90e1a79d>] ? _raw_spin_lock+0x1d/0x20
[20648245.390507] [<ffffffff90a3b94e>] ? writeback_sb_inodes+0x13e/0x4f0
[20648245.397791] [<ffffffff90a3bd87>] ? __writeback_inodes_wb+0x87/0xb0
[20648245.405076] [<ffffffff90a3c0fe>] ? wb_writeback+0x27e/0x310
[20648245.411684] [<ffffffff90a2798c>] ? get_nr_inodes+0x3c/0x60
[20648245.418191] [<ffffffff90a3ca64>] ? wb_workfn+0x2b4/0x380
[20648245.424506] [<ffffffff9089460a>] ? process_one_work+0x18a/0x430
[20648245.431498] [<ffffffff908948fd>] ? worker_thread+0x4d/0x490
[20648245.438103] [<ffffffff908948b0>] ? process_one_work+0x430/0x430
[20648245.445096] [<ffffffff9089a969>] ? kthread+0xd9/0xf0
[20648245.451023] [<ffffffff90e1a9a4>] ? __switch_to_asm+0x34/0x70
[20648245.457724] [<ffffffff9089a890>] ? kthread_park+0x60/0x60
[20648245.464136] [<ffffffff90e1aa37>] ? ret_from_fork+0x57/0x70
```
Host was shutdown for further investigation.