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[eezacque <eezacque@xxxxxxxxx>]

I cannot tell whether this issue arose after an upgrade; it was not until recently that I have started to suspend on a regular basis.
The issue occurs on kernel 4.0, I will try 4.1 this week...

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https://bugs.launchpad.net/bugs/1469488

Title:
  Suspend crashes ubuntu every now and then

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Once every 5 or so suspends,  ubuntu crashes immediately: power leds
  are still indicating the hardware is running, monitor falls asleep as
  on successful suspend, cannot ctr-alt-f<n> into terminal, cannot ssh
  into ubuntu, logs show no errors...

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-21-generic 3.19.0-21.21
  ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
  Uname: Linux 3.19.0-21-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC1D0c:   izak       1957 F...m pulseaudio
   /dev/snd/pcmC1D0p:   izak       1957 F...m pulseaudio
   /dev/snd/controlC0:  izak       1957 F.... pulseaudio
   /dev/snd/controlC1:  izak       1957 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Jun 28 11:28:11 2015
  HibernationDevice: RESUME=UUID=4226b1a5-ebed-4bf9-afa2-33431caa2763
  InstallationDate: Installed on 2014-10-24 (246 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  MachineType: ASUS All Series
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-21-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-21-generic N/A
   linux-backports-modules-3.19.0-21-generic  N/A
   linux-firmware                             1.143.1
  SourcePackage: linux
  UpgradeStatus: Upgraded to vivid on 2015-05-04 (54 days ago)
  dmi.bios.date: 09/30/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2012
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z97-PRO(Wi-Fi ac)
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2012:bd09/30/2014:svnASUS:pnAllSeries:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnZ97-PRO(Wi-Fiac):rvrRev1.xx:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: All Series
  dmi.product.version: System Version
  dmi.sys.vendor: ASUS

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