kernel-packages team mailing list archive

[Krzysztof Janowicz <1507073@xxxxxxxxxxxxxxxxxx>]

Same issue being discussed here:
http://ubuntuforums.org/showthread.php?t=2301071&page=6&p=13393733#post13393733
(with links to potential solutions ) Kernel 4.3 still has the issue for
me on a new (late 2015) XPS 15 running Nvidia's 355 driver.

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https://bugs.launchpad.net/bugs/1507073

Title:
  8086:1616 Display goes black at random times

Status in Dell Sputnik:
  New
Status in linux package in Ubuntu:
  Triaged

Bug description:
  Frequently using Ubuntu 15.04 my display blacks out.  It occurs at
  seemingly random times, many times back to back.

  I'm getting the following messages in syslog each time it happens.

  pci_bus 0000:01: Allocating resources
  pci_bus 0000:02: Allocating resources
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  pci_bus 0000:01: Allocating resources
  pci_bus 0000:02: Allocating resources
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  pci_bus 0000:01: Allocating resources
  pci_bus 0000:02: Allocating resources
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment
  i915_bpo 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus alignment

  I can restore my display by either closing my laptops lid and reopen,
  or by running

  xset dpms force off

  xset dpms force on

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: xorg 1:7.7+7ubuntu4
  ProcVersionSignature: Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6
  Uname: Linux 3.19.0-30-generic x86_64
  .tmp.unity.support.test.0:

  ApportVersion: 2.17.2-0ubuntu1.5
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Fri Oct 16 18:27:00 2015
  DistUpgraded: Fresh install
  DistroCodename: vivid
  DistroVariant: ubuntu
  EcryptfsInUse: Yes
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:0665]
  InstallationDate: Installed on 2015-10-14 (2 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. XPS 13 9343
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic.efi.signed root=UUID=edec3894-6c89-4414-9a20-8d4804f4a27e ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/14/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 0TM99H
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd07/14/2015:svnDellInc.:pnXPS139343:pvr:rvnDellInc.:rn0TM99H:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9343
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz 1:0.9.12.1+15.04.20150410.1-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.60-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.5.9-2ubuntu1~vivid2
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.5.9-2ubuntu1~vivid2
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.1-0ubuntu3.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0-1ubuntu2
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917-1~exp1ubuntu2.2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu2build1
  xserver.bootTime: Fri Oct 16 09:32:33 2015
  xserver.configfile: default
  xserver.errors: SynPS/2 Synaptics TouchPad: Read error 19
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                5153
   vendor                                     SHP
  xserver.version: 2:1.17.1-0ubuntu3.1

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