[  346.221746] NMI backtrace for cpu 1
[  346.221759] udevd[4831]: timeout: killing 'scsi_id --export --whitelisted -d /dev/sdc' [4837]
[  346.221765] udevd[4831]: slow: 'scsi_id --export --whitelisted -d /dev/sdc' [4837]
[  346.316078] CPU: 1 PID: 0 Comm: swapper/1 Tainted: P           OEL  4.4.180+ #42962
[  346.352765] Hardware name: HP ProLiant MicroServer Gen8, BIOS J06 04/04/2019
[  346.386656] task: ffff8803f31c8000 ti: ffff8803f31c4000 task.ti: ffff8803f31c4000
[  346.422709] RIP: 0010:[<ffffffff8100d536>]  [<ffffffff8100d536>] mwait_idle+0xb6/0x190
[  346.460849] RSP: 0018:ffff8803f31c7eb8  EFLAGS: 00000246
[  346.486710] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  346.522576] RDX: 0000000000000000 RSI: ffff8803f31c8000 RDI: 0000000000000082
[  346.557111] RBP: ffff8803f31c7ed0 R08: 0000000000000002 R09: 0000000000000000
[  346.591510] R10: 000000000000049a R11: 0000000000005873 R12: 0000000000000001
[  346.625793] R13: ffff8803f31c8000 R14: 00000000fffffff0 R15: 0000000000000000
[  346.660290] FS:  0000000000000000(0000) GS:ffff880409640000(0000) knlGS:0000000000000000
[  346.699459] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  346.727240] CR2: 00007ff211a2e7f0 CR3: 00000003ef211000 CR4: 00000000001606f0
[  346.762131] Stack:
[  346.771745]  0000000000000000 ffffffff818d77f8 ffff8803f31c8000 ffff8803f31c7ee0
[  346.807143]  ffffffff8100e100 ffff8803f31c7ef0 ffffffff8108ac88 ffff8803f31c7f30
[  346.843087]  ffffffff8108afa1 ffffffff810b5109 0000000000000001 0000000000000000
[  346.878391] Call Trace:
[  346.890209]  [<ffffffff8100e100>] arch_cpu_idle+0x10/0x20
[  346.916233]  [<ffffffff8108ac88>] default_idle_call+0x28/0x30
[  346.944398]  [<ffffffff8108afa1>] cpu_startup_entry+0x311/0x320
[  346.973055]  [<ffffffff810b5109>] ? clockevents_config_and_register+0x29/0x30
[  347.007276]  [<ffffffff81030a2a>] start_secondary+0x10a/0x110
[  347.035022] Code: c0 ff ff 0f 01 c8 48 8b 86 08 c0 ff ff a8 08 75 1c 8b 05 06 66 9c 00 85 c0 7e 07 0f 00 2d 05 65 5f 00 31 c0 48 89 c1 fb 0f 01 c9 <eb> 01 fb 65 44 8b 25 cf fb ff 7e 8b 05 e1 22 8c 00 85 c0 0f 8e
[  347.126273] NMI backtrace for cpu 3
[  347.142993] CPU: 3 PID: 0 Comm: swapper/3 Tainted: P           OEL  4.4.180+ #42962
[  347.179960] Hardware name: HP ProLiant MicroServer Gen8, BIOS J06 04/04/2019
[  347.215018] task: ffff8803f31c9980 ti: ffff8803f31d4000 task.ti: ffff8803f31d4000
[  347.222076] udevd[4831]: timeout: killing 'scsi_id --export --whitelisted -d /dev/sdc' [4837]
[  347.222081] udevd[4831]: slow: 'scsi_id --export --whitelisted -d /dev/sdc' [4837]
[  347.328074] RIP: 0010:[<ffffffff8100d536>]  [<ffffffff8100d536>] mwait_idle+0xb6/0x190
[  347.365751] RSP: 0018:ffff8803f31d7eb8  EFLAGS: 00000246
[  347.391694] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  347.426474] RDX: 0000000000000000 RSI: ffff8803f31d8000 RDI: 0000000000000082
[  347.460983] RBP: ffff8803f31d7ed0 R08: 0000000000000002 R09: 0000000000000000
[  347.495685] R10: 000000000000049a R11: 0000000000005873 R12: 0000000000000003
[  347.530373] R13: ffff8803f31d8000 R14: 00000000fffffff0 R15: 0000000000000000
[  347.564644] FS:  0000000000000000(0000) GS:ffff8804096c0000(0000) knlGS:0000000000000000
[  347.603482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  347.631584] CR2: 00007ff17f065180 CR3: 0000000408a0a000 CR4: 00000000001606f0
[  347.667417] Stack:
[  347.676971]  0000000000000000 ffffffff818d77f8 ffff8803f31d8000 ffff8803f31d7ee0
[  347.712716]  ffffffff8100e100 ffff8803f31d7ef0 ffffffff8108ac88 ffff8803f31d7f30
[  347.748264]  ffffffff8108afa1 ffffffff810b5109 0000000000000003 0000000000000000
[  347.784122] Call Trace:
[  347.795738]  [<ffffffff8100e100>] arch_cpu_idle+0x10/0x20
[  347.821698]  [<ffffffff8108ac88>] default_idle_call+0x28/0x30
[  347.850276]  [<ffffffff8108afa1>] cpu_startup_entry+0x311/0x320
[  347.879322]  [<ffffffff810b5109>] ? clockevents_config_and_register+0x29/0x30
[  347.913071]  [<ffffffff81030a2a>] start_secondary+0x10a/0x110
[  347.940715] Code: c0 ff ff 0f 01 c8 48 8b 86 08 c0 ff ff a8 08 75 1c 8b 05 06 66 9c 00 85 c0 7e 07 0f 00 2d 05 65 5f 00 31 c0 48 89 c1 fb 0f 01 c9 <eb> 01 fb 65 44 8b 25 cf fb ff 7e 8b 05 e1 22 8c 00 85 c0 0f 8e
[  348.223052] udevd[4831]: timeout: killing 'scsi_id --export --whitelisted -d /dev/sdc' [4837]
[  348.263886] udevd[4831]: slow: 'scsi_id --export --whitelisted -d /dev/sdc' [4837]
[  349.300020] udevd[4831]: timeout: killing 'scsi_id --export --whitelisted -d /dev/sdc' [4837]
[  349.340949] udevd[4831]: slow: 'scsi_id --export --whitelisted -d /dev/sdc' [4837]