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[Alberto Salvia Novella <es20490446e@xxxxxxxxx>]

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1457447

Title:
  Ubuntu freezes when suspending (to RAM)

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I installed Ubuntu 15.04 on a DELL XPS 13 notebook (2015 edition,
  model 9343, bios A03, dual boot w/ Windows). I am having an annoying
  problem. Oftentimes Ubuntu crashes/freezes when I try to suspend (to
  RAM). I have already reinstalled Ubuntu (fresh reinstall) but the
  problem persists. I ran the bios diagnostic check (even the extended
  one) and no hardware problems were detected. I also ran a memory check
  via Windows and again no memory problems were detected.

  The problem: Sometimes when I try to suspend the computer freezes: the
  screen turns blank and the CAPS LOCK key indicator blinks. I am unable
  to ssh into the machine. The problem also happened with previous
  kernels.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-18-generic 3.19.0-18.18
  ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
  Uname: Linux 3.19.0-18-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  cribari    1698 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Thu May 21 08:49:19 2015
  HibernationDevice: RESUME=UUID=cd3c9665-089d-424b-8ebb-991b8698fbcd
  InstallationDate: Installed on 2015-05-19 (2 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. XPS 13 9343
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-18-generic.efi.signed root=UUID=f64987a0-2ebc-4767-a391-6c3deae6c764 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-18-generic N/A
   linux-backports-modules-3.19.0-18-generic  N/A
   linux-firmware                             1.143.1
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/25/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A03
  dmi.board.name: 0310JH
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA03:bd03/25/2015:svnDellInc.:pnXPS139343:pvr01:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9343
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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