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[Stilmant Michael <michael.stilmant@xxxxxxxxx>]

Thanks for your follow up Christopher

$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
X200MA.504
11/13/2014

The advanced side of LP#1416849 is that the identification of the kernel
working and new not working is done there. (thanks to exercises made on
kernel-fixed-upstream tags side)

I'm not sure why you want to work on 3 bugs thread for same issue? And
also I don't understand why you don't confirm that bug? There is indeed
more that one person affected isn't?

Installing a fresh image of a LTS 14.04.2 is installing 3.16 kernel base
and that "LTS 14.04.2 3.16" is working. no black/white screen issue.

The laptop having issue reported in this thread (and other thread) are
installed from LTS 14.04.2 having kernel (point release? ) stuck to 3.13

doing an apt-get update & disp-upgrade don't update that laptop from
3.13 to 3.16.

I believe the solution for my issue is to found the best way to upgrade
my laptop(s) from 3.13 to 3.16 while staying on a real LTS 14.02.x
release.

doing: 
sudo apt-get install --install-recommends linux-generic-lts-utopic xserver-xorg-lts-utopic libgl1-mesa-glx-lts-utopic libegl1-mesa-drivers-lts-utopic
from https://wiki.ubuntu.com/Kernel/LTSEnablementStack

resolve the situation since it move to

GNU/Linux
Description:    Ubuntu 14.04.2 LTS
Release:        14.04
Codename:       trusty
Linux Lux1-Ops-LiloXX 3.16.0-36-generic #48~14.04.1-Ubuntu SMP Wed Apr 15 13:11:28 UTC 2015 x86_64 x86_64 x86_64 

But I'm not sure it is what I want/ the best option.

So, so far for me,  Ubuntu 14.04.2 LTS installed prior to 3.13.0-44 are working, the problem appeared with 3.13.0-45 update of that Ubuntu 14.04.2 LTS 
and new installation of Ubuntu 14.04.2 LTS is based on 3.16.x that is working.

I was not aware of such variation between same LTS regarding point
release. Maybe I need to understand how to move a distribution from one
point release to the next one.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1446504

Title:
  Asus X200MA Black Screen after LTS Update (3.13.0-49-generic)

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  related to
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1427646

  Description:    Ubuntu 14.04.2 LTS
  Release:        14.04
  cat /proc/version_signature := Ubuntu 3.13.0-49.83-generic 3.13.11-ckt17
  Linux Lux1-Ops-LiloXX 3.13.0-49-generic #83-Ubuntu SMP Fri Apr 10 20:11:33 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-49-generic 3.13.0-49.83
  ProcVersionSignature: Ubuntu 3.13.0-49.83-generic 3.13.11-ckt17
  Uname: Linux 3.13.0-49-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.10
  Architecture: amd64
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path', '/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/hwC0D2', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D3p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  Date: Tue Apr 21 09:45:44 2015
  HibernationDevice: RESUME=UUID=8cfe631b-97f1-4da1-b1b2-15675c32779e
  InstallationDate: Installed on 2015-01-19 (91 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 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
   Bus 001 Device 003: ID 04f2:b483 Chicony Electronics Co., Ltd 
   Bus 001 Device 002: ID 734c:5220 TBS Technologies China 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. X200MA
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-49-generic.efi.signed root=UUID=44c3a9ad-88df-4e7e-833f-257b8e54822d ro quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-49-generic N/A
   linux-backports-modules-3.13.0-49-generic  N/A
   linux-firmware                             1.127.11
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/11/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X200MA.502
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X200MA
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX200MA.502:bd09/11/2014:svnASUSTeKCOMPUTERINC.:pnX200MA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX200MA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X200MA
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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