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["Gaston M. Tonietti" <gaston.tonietti@xxxxxxxxx>]

I've tried suspending with pm-suspend,  shutting the lid and pressing
the power button as both are set to suspend in power management
settings. And I tried resuming opening the lid and pressing the power
button.

All methods with the same result, the laptop is suspended but when I
want to resume the power light turns on but the screen is black and I
cannot connect over ssh either. So it's worse than a graphics related
issue.

Following the steps in DebuggingKernelSuspend page I was able to resume
after suspending with the command:

    `sudo sh -c "sync && echo 1 > /sys/power/pm_trace && pm-suspend"`

WiFi wasn't enable after resuming but I was able to enable it manually .

I'm attaching my *wakeup* and *dmesg* as advised by the debugging guide.

-- 
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https://bugs.launchpad.net/bugs/1495458

Title:
  Black screen when resuming after sleep

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  I have a fresh install of Kubuntu Wily Beta 1. My laptop is a Dell XPS
  15 with a Nvidia video. I tried both drivers nouveau and nvidia with
  the same result.

  I can reproduce the error ALWAYS, when I put the laptop to sleep it
  wont resume, I can see the power light and the keyboard backlight
  turning on as if it will wake up, but then just a black screen. I
  cannot even switch to a terminal (Ctr+Alt+F1), the only solution it to
  restart.

  The problem is not only when sleeping, it also happens when the screen
  is turned off by Power Management.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: xorg 1:7.7+7ubuntu4
  ProcVersionSignature: Ubuntu 4.2.0-7.7-generic 4.2.0
  Uname: Linux 4.2.0-7-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.18.1-0ubuntu1
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Mon Sep 14 20:29:21 2015
  InstallationDate: Installed on 2015-09-12 (1 days ago)
  InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150825.1)
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.18.1-0ubuntu1
  Architecture: amd64
  CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: None
  CurrentDesktop: KDE
  DistUpgraded: Fresh install
  DistroCodename: wily
  DistroRelease: Ubuntu 15.10
  DistroVariant: kubuntu
  DkmsStatus:
   bbswitch, 0.7, 4.2.0-10-generic, x86_64: installed
   bcmwl, 6.30.223.248+bdcom, 4.2.0-10-generic, x86_64: installed
   nvidia-352, 352.30, 4.2.0-10-generic, x86_64: installed
  ExtraDebuggingInterest: No
  GraphicsCard:
   Intel Corporation 4th Gen Core Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA controller])
     Subsystem: Dell Device [1028:05fe]
  InstallationDate: Installed on 2015-09-12 (7 days ago)
  InstallationMedia: Kubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150825.1)
  MachineType: Dell Inc. XPS 15 9530
  NonfreeKernelModules: wl
  Package: xorg 1:7.7+7ubuntu4
  PackageArchitecture: amd64
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-10-generic root=UUID=21f7ffd1-602b-4aec-a5a8-1db43113dc9c ro quiet splash
  ProcVersionSignature: Ubuntu 4.2.0-10.12-generic 4.2.0
  Tags:  wily kubuntu single-occurrence reproducible has-workaround
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  Uname: Linux 4.2.0-10-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 07/30/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A09
  dmi.board.name: XPS 15 9530
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A09
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvrA09:bd07/30/2015:svnDellInc.:pnXPS159530:pvrA09:rvnDellInc.:rnXPS159530:rvrA09:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: XPS 15 9530
  dmi.product.version: A09
  dmi.sys.vendor: Dell Inc.
  version.compiz: compiz N/A
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.64-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.3-1ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.3-1ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu7
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.5.0+git20150819-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150808-0ubuntu2
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11-1ubuntu3
  xserver.bootTime: Sun Sep 20 12:15:49 2015
  xserver.configfile: default
  xserver.errors:
   
  xserver.logfile: /var/log/Xorg.0.log
  xserver.outputs:
   product id                                5169 
   vendor                                     SHP
  xserver.version: 2:1.17.2-1ubuntu7

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