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[Florian Tobé <florian.tobe@xxxxxxxxx>]

apport information

** Attachment added: "WifiSyslog.txt"
   https://bugs.launchpad.net/bugs/1553659/+attachment/4596541/+files/WifiSyslog.txt

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https://bugs.launchpad.net/bugs/1553659

Title:
  Ubuntu 15.10 freezes with linux Kernel 4.2 (with intel chipset)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I started with a brand new pc with a fresh install of ubuntu 14.04. But graphics were poor :
  florian@florian-W9x0LU:~$ lspci | grep VGA
  00:02.0 VGA compatible controller: Intel Corporation Device 22b1 (rev 21)
  After some research, I found out that using Kernel 3.19 would solve the problem : it did !
  But External Monitor used to get black (detected and working : sliding windows into it was possible) suddenly after few minutes.
  So I've finally decided to upgrade to 15.10... And freeze happened as soon as login screen appeared, sometimes before at splash logo.
  I changed boot order to Kernel 3.19 to make it work again but "black screen of external monitor"'s problem were still happening.
  Then I've tried to install Intel driver for linux successfully which didn't solve the black screen external monitor problem. Lastly, I tryied one last time to boot with kernel 4.2 with big freeze again again.
  --- 
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  florian    1631 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=eca37581-7b02-477e-8847-5d1fe024f793
  InstallationDate: Installed on 2016-03-11 (0 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160307)
  MachineType: Notebook W9x0LU
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-12-generic.efi.signed root=UUID=1258a432-22b2-45c4-ad2f-009dcac1c11b ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-12.28-generic 4.4.4
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-12-generic N/A
   linux-backports-modules-4.4.0-12-generic  N/A
   linux-firmware                            1.156
  Tags:  xenial
  Uname: Linux 4.4.0-12-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 07/31/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1.05.01
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: W9x0LU
  dmi.board.vendor: NOTEBOOK
  dmi.board.version: Not Applicable
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Notebook
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.05.01:bd07/31/2015:svnNotebook:pnW9x0LU:pvrNotApplicable:rvnNOTEBOOK:rnW9x0LU:rvrNotApplicable:cvnNotebook:ct10:cvrN/A:
  dmi.product.name: W9x0LU
  dmi.product.version: Not Applicable
  dmi.sys.vendor: Notebook

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