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[Bug 1574758] CurrentDmesg.txt

 

apport information

** Attachment added: "CurrentDmesg.txt"
   https://bugs.launchpad.net/bugs/1574758/+attachment/4646852/+files/CurrentDmesg.txt

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Title:
  i915 HDMI display turns off during boot after upgrade to 16.04

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu 15.10 was working fine, but on upgrading to 16.04, my HDMI
  display goes into low-power mode once the kernel starts booting.

  Logging in over ssh I can see these errors in the kernel log:

  [    1.730599] i915 0000:00:02.0: No connectors reported connected with modes
  [    1.730607] [drm] Cannot find any crtc or sizes - going 1024x768

  System is an Intel NUC DN2820FYK
  00:02.0 VGA compatible controller [0300]: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display [8086:0f31] (rev 0c)

  Kernel version: linux-image-4.4.0-21-generic

  Workaround: add video=HDMI-A-1:1920x1080@60D to kernel parameters
  --- 
  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  dsd        1696 F.... pulseaudio
  CurrentDesktop: GNOME
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=e53c2a43-d5d9-4c58-9bae-a6d63b8a4fa1
  InstallationDate: Installed on 2014-08-30 (604 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 8087:07dc Intel Corp. 
   Bus 001 Device 003: ID 046d:c31d Logitech, Inc. Media Keyboard K200
   Bus 001 Device 002: ID 046d:c05a Logitech, Inc. M90/M100 Optical Mouse
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ��������������������������������� ���������������������������������
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic root=UUID=39a14ffe-9286-4cfa-9362-bf5bfef37843 ro quiet splash crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M crashkernel=384M-:128M vt.handoff=7 video=HDMI-A-1:1920x1080@60D
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-21-generic N/A
   linux-backports-modules-4.4.0-21-generic  N/A
   linux-firmware                            1.157
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: yes
   	Hard blocked: no
  Tags:  xenial
  Uname: Linux 4.4.0-21-generic x86_64
  UpgradeStatus: Upgraded to xenial on 2016-04-25 (0 days ago)
  UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo video
  _MarkForUpload: True
  dmi.bios.date: 12/12/2014
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: FYBYT10H.86A.0045.2014.1212.1150
  dmi.board.name: DN2820FYK
  dmi.board.vendor: Intel Corporation
  dmi.board.version: H24582-201
  dmi.chassis.asset.tag: ���������������������������������
  dmi.chassis.type: 3
  dmi.chassis.vendor: ���������������������������������
  dmi.chassis.version: ���������������������������������
  dmi.modalias: dmi:bvnIntelCorp.:bvrFYBYT10H.86A.0045.2014.1212.1150:bd12/12/2014:svn:pn:pvr:rvnIntelCorporation:rnDN2820FYK:rvrH24582-201:cvn:ct3:cvr:
  dmi.product.name: ���������������������������������
  dmi.product.version: ���������������������������������
  dmi.sys.vendor: ���������������������������������

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