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Crash log is:
2018-10-29T09:21:10.475881+01:00 b-an04 kernel: [ 2138.540432] LNet: HW NUMA nodes: 2, HW CPU cores: 28, npartitions: 1
2018-10-29T09:21:35.396884+01:00 b-an04 kernel: [ 2162.956139] BUG: unable to handle kernel paging request at ffffffffaaddd990
2018-10-29T09:21:35.396900+01:00 b-an04 kernel: [ 2162.963917] IP: native_queued_spin_lock_slowpath+0x16f/0x1a0
2018-10-29T09:21:35.396902+01:00 b-an04 kernel: [ 2162.970228] PGD 1c80e0e067 P4D 1c80e0e067 PUD 1c80e0f063 PMD 8000001c80a000e1
2018-10-29T09:21:35.396906+01:00 b-an04 kernel: [ 2162.978287] Oops: 0003 1 SMP PTI
2018-10-29T09:21:35.396908+01:00 b-an04 kernel: [ 2162.982177] Modules linked in: lnet(OE+) libcfs(OE) ipmi_poweroff 8021q garp mrp stp llc openafs(POE) nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_meta nft_set_bitmap nft_set_hash nft_set_rbtree rdma_ucm(OE) ib_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) ib_uverbs(OE) ib_umad(OE) mlx5_fpga_tools(OE) mlx4_en(OE) mlx4_ib(OE) mlx4_core(OE) snd_hda_codec_hdmi ipmi_ssif intel_rapl sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul snd_hda_intel ghash_clmulni_intel pcbc snd_hda_codec snd_hda_core aesni_intel nls_iso8859_1 snd_hwdep aes_x86_64 snd_pcm crypto_simd glue_helper cryptd snd_seq_midi snd_seq_midi_event snd_rawmidi intel_cstate snd_seq snd_seq_device cdc_ether snd_timer usbnet intel_rapl_perf mii snd soundcore mei_me
2018-10-29T09:21:35.396911+01:00 b-an04 kernel: [ 2163.061433] mei shpchp lpc_ich ipmi_si ipmi_devintf ipmi_msghandler acpi_power_meter acpi_pad mac_hid sch_fq_codel nfsv4 nfs lockd grace fscache knem(OE) psmouse sunrpc nf_tables_inet nf_tables_ipv6 nf_tables_ipv4 nf_tables nfnetlink ip_tables x_tables autofs4 xfs mlx5_ib(OE) ib_core(OE) nouveau video i2c_algo_bit ttm mlx5_core(OE) mlxfw(OE) drm_kms_helper syscopyarea devlink sysfillrect bnx2x sysimgblt mlx_compat(OE) tg3 fb_sys_fops ptp mxm_wmi drm pps_core megaraid_sas mdio libcrc32c wmi [last unloaded: libcfs]
2018-10-29T09:21:35.396913+01:00 b-an04 kernel: [ 2163.112273] CPU: 6 PID: 4354 Comm: modprobe Tainted: P OE 4.15.0-38-generic #41-Ubuntu
2018-10-29T09:21:35.396915+01:00 b-an04 kernel: [ 2163.122368] Hardware name: LENOVO System x3650 M5: [8871AC1]/00YJ380, BIOS [TCE136H-2.70] 06/13/2018
2018-10-29T09:21:35.396917+01:00 b-an04 kernel: [ 2163.132947] RIP: 0010:native_queued_spin_lock_slowpath+0x16f/0x1a0
2018-10-29T09:21:35.396918+01:00 b-an04 kernel: [ 2163.139841] RSP: 0018:ffff9c9c4c8739d0 EFLAGS: 00010086
2018-10-29T09:21:35.396919+01:00 b-an04 kernel: [ 2163.145668] RAX: ffffffffaaddd990 RBX: ffffffffab0ff940 RCX: ffff8d03c01a3440
2018-10-29T09:21:35.396921+01:00 b-an04 kernel: [ 2163.153629] RDX: 0000000000002ac2 RSI: 00000000ab0ff940 RDI: ffffffffab0ff940
2018-10-29T09:21:35.396923+01:00 b-an04 kernel: [ 2163.161589] RBP: ffff9c9c4c8739d0 R08: 00000000001c0000 R09: 0000000100400039
2018-10-29T09:21:35.396925+01:00 b-an04 kernel: [ 2163.169549] R10: ffff9c9c4c873ab0 R11: ffff8d23b285d660 R12: ffff8d03bfc07780
2018-10-29T09:21:35.396926+01:00 b-an04 kernel: [ 2163.177510] R13: ffffe985bfcbb680 R14: ffff8d03c01a70a0 R15: ffff8d03bfc07780
2018-10-29T09:21:35.396928+01:00 b-an04 kernel: [ 2163.185472] FS: 00007f3c5305d540(0000) GS:ffff8d03c0180000(0000) knlGS:0000000000000000
2018-10-29T09:21:35.396929+01:00 b-an04 kernel: [ 2163.194498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
2018-10-29T09:21:35.396930+01:00 b-an04 kernel: [ 2163.200906] CR2: ffffffffaaddd990 CR3: 0000001feda5a002 CR4: 00000000003606e0
2018-10-29T09:21:35.396932+01:00 b-an04 kernel: [ 2163.208867] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
2018-10-29T09:21:35.396933+01:00 b-an04 kernel: [ 2163.216827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
2018-10-29T09:21:35.396934+01:00 b-an04 kernel: [ 2163.224787] Call Trace:
2018-10-29T09:21:35.396936+01:00 b-an04 kernel: [ 2163.227518] _raw_spin_lock+0x21/0x30
2018-10-29T09:21:35.396938+01:00 b-an04 kernel: [ 2163.231594] get_partial_node.isra.72+0x5c/0x260
2018-10-29T09:21:35.396955+01:00 b-an04 kernel: [ 2163.236745] ? default_wake_function+0x12/0x20
2018-10-29T09:21:35.396957+01:00 b-an04 kernel: [ 2163.241701] ? __wake_up_common+0x73/0x130
2018-10-29T09:21:35.396959+01:00 b-an04 kernel: [ 2163.246268] ___slab_alloc+0x17d/0x4b0
2018-10-29T09:21:35.396960+01:00 b-an04 kernel: [ 2163.250450] ? ep_poll_callback+0x20e/0x2a0
2018-10-29T09:21:35.396962+01:00 b-an04 kernel: [ 2163.255116] ? ___slab_alloc+0x17d/0x4b0
2018-10-29T09:21:35.396964+01:00 b-an04 kernel: [ 2163.259489] ? idr_alloc_cmn+0x97/0xd0
2018-10-29T09:21:35.396965+01:00 b-an04 kernel: [ 2163.263676] ? cfs_percpt_alloc+0x202/0x430 [libcfs]
2018-10-29T09:21:35.396966+01:00 b-an04 kernel: [ 2163.269213] ? __wake_up_common+0x73/0x130
2018-10-29T09:21:35.396967+01:00 b-an04 kernel: [ 2163.273782] __slab_alloc+0x20/0x40
2018-10-29T09:21:35.396970+01:00 b-an04 kernel: [ 2163.277671] ? __slab_alloc+0x20/0x40
2018-10-29T09:21:35.396971+01:00 b-an04 kernel: [ 2163.281754] __kmalloc_node+0xbe/0x2c0
2018-10-29T09:21:35.396973+01:00 b-an04 kernel: [ 2163.285939] ? cfs_percpt_alloc+0x202/0x430 [libcfs]
2018-10-29T09:21:35.396974+01:00 b-an04 kernel: [ 2163.291481] cfs_percpt_alloc+0x202/0x430 [libcfs]
2018-10-29T09:21:35.396976+01:00 b-an04 kernel: [ 2163.296821] cfs_percpt_lock_create+0xc1/0x2b0 [libcfs]
2018-10-29T09:21:35.396978+01:00 b-an04 kernel: [ 2163.302641] ? 0xffffffffc1092000
2018-10-29T09:21:35.396979+01:00 b-an04 kernel: [ 2163.306345] lnet_lib_init+0xef/0x340 [lnet]
2018-10-29T09:21:35.396981+01:00 b-an04 kernel: [ 2163.311115] lnet_init+0x81/0x1000 [lnet]
2018-10-29T09:21:35.396983+01:00 b-an04 kernel: [ 2163.315587] do_one_initcall+0x52/0x19f
2018-10-29T09:21:35.396985+01:00 b-an04 kernel: [ 2163.319866] ? __vunmap+0x81/0xb0
2018-10-29T09:21:35.396986+01:00 b-an04 kernel: [ 2163.323560] ? _cond_resched+0x19/0x40
2018-10-29T09:21:35.396987+01:00 b-an04 kernel: [ 2163.327740] ? kmem_cache_alloc_trace+0xa6/0x1b0
2018-10-29T09:21:35.396988+01:00 b-an04 kernel: [ 2163.332891] ? do_init_module+0x27/0x209
2018-10-29T09:21:35.396989+01:00 b-an04 kernel: [ 2163.337265] do_init_module+0x5f/0x209
2018-10-29T09:21:35.396991+01:00 b-an04 kernel: [ 2163.341446] load_module+0x191e/0x1f10
2018-10-29T09:21:35.396993+01:00 b-an04 kernel: [ 2163.345627] ? ima_post_read_file+0x96/0xa0
2018-10-29T09:21:35.396994+01:00 b-an04 kernel: [ 2163.350292] SYSC_finit_module+0xfc/0x120
2018-10-29T09:21:35.396996+01:00 b-an04 kernel: [ 2163.354763] ? SYSC_finit_module+0xfc/0x120
2018-10-29T09:21:35.396997+01:00 b-an04 kernel: [ 2163.359430] SyS_finit_module+0xe/0x10
2018-10-29T09:21:35.396998+01:00 b-an04 kernel: [ 2163.363611] do_syscall_64+0x73/0x130
2018-10-29T09:21:35.397000+01:00 b-an04 kernel: [ 2163.367693] entry_SYSCALL_64_after_hwframe+0x3d/0xa2
2018-10-29T09:21:35.397001+01:00 b-an04 kernel: [ 2163.373326] RIP: 0033:0x7f3c52b88839
2018-10-29T09:21:35.397002+01:00 b-an04 kernel: [ 2163.377310] RSP: 002b:00007ffca81283c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
2018-10-29T09:21:35.397003+01:00 b-an04 kernel: [ 2163.385757] RAX: ffffffffffffffda RBX: 000055b1be249ee0 RCX: 00007f3c52b88839
2018-10-29T09:21:35.397005+01:00 b-an04 kernel: [ 2163.393718] RDX: 0000000000000000 RSI: 000055b1be242a90 RDI: 0000000000000003
2018-10-29T09:21:35.397007+01:00 b-an04 kernel: [ 2163.401679] RBP: 000055b1be242a90 R08: 0000000000000000 R09: 0000000000000000
2018-10-29T09:21:35.397008+01:00 b-an04 kernel: [ 2163.409639] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
2018-10-29T09:21:35.397010+01:00 b-an04 kernel: [ 2163.417599] R13: 000055b1be249ff0 R14: 0000000000040000 R15: 0000000000000000
2018-10-29T09:21:35.397012+01:00 b-an04 kernel: [ 2163.425561] Code: c3 f3 90 4c 8b 09 4d 85 c9 74 f6 eb c9 c1 ea 12 83 e0 03 83 ea 01 48 c1 e0 04 48 63 d2 48 05 40 34 02 00 48 03 04 d5 c0 96 da aa <48> 89 08 8b 41 08 85 c0 75 09 f3 90 8b 41 08 85 c0 74 f7 4c 8b
2018-10-29T09:21:35.397013+01:00 b-an04 kernel: [ 2163.446638] RIP: native_queued_spin_lock_slowpath+0x16f/0x1a0 RSP: ffff9c9c4c8739d0
2018-10-29T09:21:35.397014+01:00 b-an04 kernel: [ 2163.455181] CR2: ffffffffaaddd990
2018-10-29T09:21:35.397015+01:00 b-an04 kernel: [ 2163.458876] --[ end trace 762c34a38ab0c36f ]--
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