dpdk oops.log

[83038.261427] KNI: /dev/kni closed
[83038.261451] BUG: unable to handle kernel NULL pointer dereference at 0000000000000200
[83038.261483] IP: [<ffffffffc00fe4b0>] uio_release+0x20/0x60 [uio]
[83038.261508] PGD 0
[83038.261517] Oops: 0000 [#1] SMP
[83038.261531] Modules linked in: nfnetlink_queue nfnetlink_log nfnetlink bluetooth bridge stp llc intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ppdev aesni_intel aes_x86_64 snd_hda_codec_hdmi mei_me lrw parport_pc snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd gf128mul parport mei soundcore glue_helper ablk_helper cryptd serio_raw 8250_fintek shpchp lpc_ich mac_hid rte_kni(OE) igb_uio(OE) uio autofs4 uas usb_storage i915 psmouse r8169 i2c_algo_bit mii drm_kms_helper ahci syscopyarea libahci sysfillrect e1000e sysimgblt fb_sys_fops ptp drm pps_core wmi fjes video
[83038.261804] CPU: 3 PID: 24444 Comm: border Tainted: G           OE   4.4.0-36-generic #55-Ubuntu
[83038.261832] Hardware name: LENOVO 10AU003DMZ/ , BIOS FCKT43AUS 09/25/2013
[83038.261854] task: ffff88003565b700 ti: ffff8800ce03c000 task.ti: ffff8800ce03c000
[83038.261878] RIP: 0010:[<ffffffffc00fe4b0>]  [<ffffffffc00fe4b0>] uio_release+0x20/0x60 [uio]
[83038.261908] RSP: 0018:ffff8800ce03fc18  EFLAGS: 00010246
[83038.261926] RAX: ffffffffc00fe490 RBX: ffff8802145853b0 RCX: ffffffff81f361c0
[83038.261949] RDX: 0000000000000000 RSI: ffff8802116ed200 RDI: ffff8802142d2be8
[83038.261971] RBP: ffff8800ce03fc30 R08: 0000000000000000 R09: 000000018038000c
[83038.261993] R10: ffff8800cdfa6af8 R11: ffff8802116ed210 R12: ffff8800d041a918
[83038.262016] R13: 0000000000000000 R14: ffff880211cbe320 R15: ffff8801de56a480
[83038.262039] FS:  00007f92c4195700(0000) GS:ffff88021fb80000(0000) knlGS:0000000000000000
[83038.262065] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[83038.262083] CR2: 0000000000000200 CR3: 0000000001e0a000 CR4: 00000000001406e0
[83038.262106] Stack:
[83038.262113]  ffff8802116ed200 0000000000000008 ffff8802142d2be8 ffff8800ce03fc78
[83038.262141]  ffffffff8120ef94 ffff8802142d2be8 ffff8802116ed210 ffff88003565b700
[83038.262168]  ffffffff82101a30 ffff8802116ed200 ffff880214902100 ffff88003565bd78
[83038.262195] Call Trace:
[83038.262208]  [<ffffffff8120ef94>] __fput+0xe4/0x220
[83038.262226]  [<ffffffff8120f10e>] ____fput+0xe/0x10
[83038.262245]  [<ffffffff8109ec21>] task_work_run+0x81/0xa0
[83038.262265]  [<ffffffff81083d31>] do_exit+0x2e1/0xb00
[83038.262283]  [<ffffffff810845d3>] do_group_exit+0x43/0xb0
[83038.262303]  [<ffffffff810907a2>] get_signal+0x292/0x600
[83038.262323]  [<ffffffff8102e537>] do_signal+0x37/0x6f0
[83038.262343]  [<ffffffff810f4a9a>] ? ktime_get_ts64+0x4a/0xf0
[83038.262364]  [<ffffffff812218cb>] ? poll_select_copy_remaining+0xfb/0x140
[83038.262387]  [<ffffffff8100320c>] exit_to_usermode_loop+0x8c/0xd0
[83038.262408]  [<ffffffff81003c6e>] syscall_return_slowpath+0x4e/0x60
[83038.262431]  [<ffffffff8182e110>] int_ret_from_sys_call+0x25/0x8f
[83038.262450] Code: c1 18 e8 24 1f 12 c1 5d c3 66 90 0f 1f 44 00 00 55 48 89 e5 41 55 41 54 53 48 8b 9e d0 00 00 00 45 31 ed 4c 8b 23 49 8b 54 24 38 <48> 8b 82 00 02 00 00 48 85 c0 74 0b 48 89 fe 48 89 d7 ff d0 41
[83038.262576] RIP  [<ffffffffc00fe4b0>] uio_release+0x20/0x60 [uio]
[83038.262598]  RSP <ffff8800ce03fc18>
[83038.262610] CR2: 0000000000000200
[83038.266602] ---[ end trace 4e3505c29ac06906 ]---
[83038.267408] Fixing recursive fault but reboot is needed!
[83191.170281] ptrace of pid 2982 was attempted by: strace (pid 25115)
[83215.408858] ptrace of pid 2982 was attempted by: strace (pid 25120)

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