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[Aurélien MANCA <1265544@xxxxxxxxxxxxxxxxxx>]

Alberto Aguirre :

I submitted the ticket
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1274425

With kernel 3.13.0-5.20 (Ubuntu 14.04), the command "sudo xrandr --output eDP1 --mode 1680x1050" does nothing.
With kernels drm-intel-nightly/2014-01-23-trusty and drm-intel-nightly/2014-01-29-trusty, I am able to use xrandr without any problem. For example, I have the following script on login which works perfectly :

xrandr --newmode "1600x900"  118.25  1600 1696 1856 2112  900 903 908 934 -hsync +vsync
xrandr --addmode eDP1 1600x900
xrandr --output HDMI2 --mode 1920x1080 --pos 1600x0 --rotate normal --output HDMI1 --off --output DP1 --off --output eDP1 --mode 1600x900 --pos 0x180 --rotate normal --output VIRTUAL1 --off

I'm also able to use suspend/resume which was not working with kernel
3.13.0-5.20

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https://bugs.launchpad.net/bugs/1265544

Title:
  8086:0a16 [UX302LG] black screen on boot 3.12.0-7

Status in The Linux Kernel:
  Incomplete
Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  Same description/workaround as
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1263015

  I tried both Enable CSM and non-CSM boot.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.12.0-7-generic 3.12.0-7.15
  ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4
  Uname: Linux 3.12.0-7-generic x86_64
  ApportVersion: 2.12.7-0ubuntu3
  Architecture: amd64
  Date: Thu Jan  2 09:59:33 2014
  HibernationDevice: RESUME=UUID=e6458b44-fdb9-4db5-8cac-40ee0bbf9cf6
  InstallationDate: Installed on 2013-12-31 (1 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131231)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 03eb:8a03 Atmel Corp.
   Bus 001 Device 003: ID 1bcf:2987 Sunplus Innovation Technology Inc.
   Bus 001 Device 002: ID 8087:07dc Intel Corp.
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. UX302LG
  ProcFB: 0 simple
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.12.0-7-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro recovery nomodeset
  RelatedPackageVersions:
   linux-restricted-modules-3.12.0-7-generic N/A
   linux-backports-modules-3.12.0-7-generic  N/A
   linux-firmware                            1.117
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/30/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: UX302LG.207
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: UX302LG
  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.:bvrUX302LG.207:bd10/30/2013:svnASUSTeKCOMPUTERINC.:pnUX302LG:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX302LG:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: UX302LG
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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