Mar 24 09:07:19 dellmaik kernel: [  171.247866] BUG: unable to handle kernel paging request at fffffffffffffffe
Mar 24 09:07:19 dellmaik kernel: [  171.248073] IP: [<ffffffff84d98737>] device_del+0x17/0x270
Mar 24 09:07:19 dellmaik kernel: [  171.248226] PGD 1d2209067 PUD 1d220b067 PMD 0 
Mar 24 09:07:19 dellmaik kernel: [  171.248364] Oops: 0000 [#1] SMP
Mar 24 09:07:19 dellmaik kernel: [  171.248445] Modules linked in: rfcomm ccm ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack x_tables nf_nat nf_conntrack br_netfilter bridge stp llc overlay bnep pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc nls_iso8859_1 arc4 snd_soc_skl snd_soc_skl_ipc snd_hda_codec_hdmi snd_soc_sst_ipc snd_soc_sst_dsp dell_laptop dell_led snd_hda_ext_core snd_soc_sst_match snd_hda_codec_realtek snd_soc_core snd_hda_codec_generic dell_wmi sparse_keymap dell_smbios dcdbas snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel dell_smm_hwmon snd_hda_codec snd_hda_core intel_rapl snd_hwdep x86_pkg_temp_thermal uvcvideo intel_powerclamp coretemp videobuf2_vmalloc videobuf2_memops cdc_mbim cdc_wdm videobuf2_v4l2 kvm_intel videobuf2_core videodev snd_pcm cdc_ncm usbnet mii media btusb iwlmvm kvm snd_seq_midi snd_seq_midi_event snd_rawmidi mac80211 snd_seq btrtl irqbypass snd_seq_device snd_timer intel_cstate intel_rapl_perf iwlwifi snd joydev input_leds rtsx_pci_ms soundcore serio_raw cfg80211 memstick shpchp intel_pch_thermal mei_me mei hci_uart btbcm btqca btintel bluetooth dell_smo8800 intel_lpss_acpi intel_lpss dell_rbtn int3403_thermal processor_thermal_device int3400_thermal acpi_pad int340x_thermal_zone acpi_thermal_rel intel_soc_dts_iosf acpi_als kfifo_buf industrialio mac_hid parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq algif_skcipher af_alg dm_crypt dm_mirror dm_region_hash dm_log rtsx_pci_sdmmc amdkfd crct10dif_pclmul crc32_pclmul amd_iommu_v2 ghash_clmulni_intel aesni_intel aes_x86_64 lrw amdgpu glue_helper ablk_helper cryptd i915 psmouse e1000e ttm i2c_algo_bit ptp drm_kms_helper pps_core syscopyarea sysfillrect sysimgblt fb_sys_fops rtsx_pci drm ahci libahci wmi i2c_hid video pinctrl_sunrisepoint hid pinctrl_intel fjes
Mar 24 09:07:19 dellmaik kernel: [  171.253226] CPU: 2 PID: 1239 Comm: kworker/2:4 Tainted: G        W  OE   4.8.0-42-generic #45~16.04.1-Ubuntu
Mar 24 09:07:19 dellmaik kernel: [  171.253378] Hardware name: Dell Inc. Latitude E5470/0XDDP2, BIOS 1.9.4 08/26/2016
Mar 24 09:07:19 dellmaik kernel: [  171.253566] Workqueue: events drm_dp_destroy_connector_work [drm_kms_helper]
Mar 24 09:07:19 dellmaik kernel: [  171.253703] task: ffff955b4b08db80 task.stack: ffff955b4f31c000
Mar 24 09:07:19 dellmaik kernel: [  171.253830] RIP: 0010:[<ffffffff84d98737>]  [<ffffffff84d98737>] device_del+0x17/0x270
Mar 24 09:07:19 dellmaik kernel: [  171.254045] RSP: 0018:ffff955b4f31fd20  EFLAGS: 00010282
Mar 24 09:07:19 dellmaik kernel: [  171.254134] RAX: ffff955b4b4a5000 RBX: fffffffffffffffe RCX: ffff955b4b4a6810


#inxi -Fxz shows
System:    Host: dellmaik Kernel: 4.8.0-42-generic x86_64 (64 bit gcc: 5.4.0)
           Desktop: Cinnamon 3.2.7 (Gtk 3.18.9-1ubuntu3.2) Distro: Linux Mint 18.1 Serena
Machine:   System: Dell (portable) product: Latitude E5470
           Mobo: Dell model: 0XDDP2 v: A00 Bios: Dell v: 1.9.4 date: 08/26/2016
CPU:       Dual core Intel Core i5-6300U (-HT-MCP-) cache: 3072 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 9984
           clock speeds: max: 3000 MHz 1: 402 MHz 2: 487 MHz 3: 500 MHz 4: 404 MHz
Graphics:  Card-1: Intel Sky Lake Integrated Graphics bus-ID: 00:02.0
           Card-2: Advanced Micro Devices [AMD/ATI] Topaz XT [Radeon R7 M260/M265] bus-ID: 01:00.0
           Display Server: X.Org 1.18.4 drivers: ati,intel,amdgpu (unloaded: fbdev,vesa,radeon)
           Resolution: 1920x1080@60.02hz
           GLX Renderer: Mesa DRI Intel HD Graphics 520 (Skylake GT2)
           GLX Version: 3.0 Mesa 11.2.0 Direct Rendering: Yes
Audio:     Card Intel Sunrise Point-LP HD Audio driver: snd_hda_intel bus-ID: 00:1f.3
           Sound: Advanced Linux Sound Architecture v: k4.8.0-42-generic
Network:   Card-1: Intel Ethernet Connection I219-LM driver: e1000e v: 3.2.6-k bus-ID: 00:1f.6
           IF: enp0s31f6 state: up speed: 1000 Mbps duplex: full mac: <filter>
           Card-2: Intel Wireless 8260 driver: iwlwifi bus-ID: 02:00.0
           IF: wlp2s0 state: up mac: <filter>
Drives:    HDD Total Size: 525.1GB (7.0% used) ID-1: /dev/sda model: Crucial_CT525MX3 size: 525.1GB
Partition: ID-1: / size: 473G used: 27G (6%) fs: ext4 dev: /dev/dm-1
           ID-2: /boot size: 473M used: 218M (49%) fs: ext2 dev: /dev/sda2
           ID-3: swap-1 size: 8.47GB used: 0.00GB (0%) fs: swap dev: /dev/dm-2
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 50.0C mobo: N/A
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 241 Uptime: 1 min Memory: 591.4/7866.4MB Init: systemd runlevel: 5 Gcc sys: 5.4.0
           Client: Shell (bash 4.3.461) inxi: 2.2.35