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apport-collect 1586073
** Tags added: latest-bios-2.50
** Package changed: xorg (Ubuntu) => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1586073
Title:
Blank screen after boot
Status in linux package in Ubuntu:
Incomplete
Bug description:
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
....
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