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[Launchpad Bug Tracker <1586073@xxxxxxxxxxxxxxxxxx>]

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The screen becomes black blank between BIOS screen and the login page.
The black screen never goes away. This is random not after install,
update or upgrade. Also after PC reboot it works fine, it is not
persistent problem, once PC is loaded it works.

Ubuntu 16.04 LTS, Linux pm03 4.4.0-22-generic #39-Ubuntu SMP Thu May 5
16:53:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux

lshw -C video   *-display
       description: VGA compatible controller
       product: Sky Lake Integrated Graphics
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 06
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915_bpo latency=0
       resources: irq:155 memory:de000000-deffffff memory:c0000000-cfffffff ioport:f000(size=64)

----- sample from journalctl.txt in attachement

May 26 10:03:59 pm03 kernel: BUG: unable to handle kernel paging request at 0000000000017860
May 26 10:03:59 pm03 kernel: IP: [<ffffffff810ca83e>] native_queued_spin_lock_slowpath+0xfe/0x170
May 26 10:03:59 pm03 kernel: PGD 0
May 26 10:03:59 pm03 kernel: Oops: 0002 [#1] SMP
May 26 10:03:59 pm03 kernel: Modules linked in: intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel snd_hda_intel kvm snd_hda_codec snd_hda_core snd_hwdep snd_pcm irqbypass snd_seq_midi crct10dif_pclmul snd_seq_midi_event crc32_pclmul snd_rawmidi aesni_intel aes_x86_64 lrw gf128mul glue_helper snd_seq ablk_helper cryptd snd_seq_device snd_timer snd serio_raw soundcore input_leds joydev btusb btrtl shpchp mei_me mei hci_uart btbcm btqca btintel bluetooth 8250_fintek mac_hid intel_lpss_acpi intel_lpss acpi_als kfifo_buf acpi_pad industrialio ipt_REJECT nf_reject_ipv4 xt_comment nf_log_ipv4 nf_log_common xt_LOG xt_multiport xt_limit xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp
May 26 10:03:59 pm03 kernel:  nf_conntrack iptable_filter ip_tables parport_pc x_tables ppdev lp parport autofs4 btrfs xor raid6_pq hid_generic usbhid mxm_wmi i915_bpo intel_ips i2c_algo_bit e1000e drm_kms_helper syscopyarea sysfillrect ptp psmouse sysimgblt fb_sys_fops pps_core nvme drm ahci libahci wmi pinctrl_sunrisepoint video pinctrl_intel i2c_hid hid fjes
May 26 10:03:59 pm03 kernel: CPU: 3 PID: 576 Comm: systemd-udevd Not tainted 4.4.0-22-generic #39-Ubuntu
May 26 10:03:59 pm03 kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z170 Extreme6+, BIOS P2.50 03/30/2016
May 26 10:03:59 pm03 kernel: task: ffff8804620f0ec0 ti: ffff88045faf4000 task.ti: ffff88045faf4000
....

** Affects: linux (Ubuntu)
     Importance: Medium
         Status: Incomplete


** Tags: kernel-bug latest-bios-2.50
-- 
Blank screen after boot
https://bugs.launchpad.net/bugs/1586073
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