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[Carla Sella <1247654@xxxxxxxxxxxxxxxxxx>]

I tested suspension on Saucy (kernel 3.11.0-12) and it works.
So I tested various Tahr kernels and found that kernel 3.12.0-031200rc7 works, not completly, but my PC resumes from suspension, not immedialty, but like after a minute (more or less), I am asked to insert my password, but when I am logged on all the programs that were opened before suspension are now closed, network connection is missing, have to input "sudo service network-manager restart" to get network connection back.
The same happens with kernel 3.12.0-031200rc6 instead 3.12.0-031200rc5 and rc4 do not work.

At this point do I still have to report the bug upstream ?
Let me know and I will do it if I need to, thanks.

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https://bugs.launchpad.net/bugs/1247654

Title:
  PC freezes after resuming from suspension

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I select "Suspend" from the ghear icon on the top left hand side of the indicators bar, wait from a fiew secons (20-30) to half an hour, press the power button again.
  My PC does not resume correclty from suspension, it looks like it is resuming, hard disk starts working and it sounds it is resuming but everything on the video freezes, I get just a black screen, have to reboot manually by pressing the power button.
  I am currently running Trust Tahr with all updates.
  This is my hardware: http://phillw.net/hardware/kuDwMTTb.
  I have updated my BIOS firmware and followed the instructions here: https://wiki.ubuntu.com/DebuggingKernelSuspend.
  I am attaching dmesg file and /proc/acpi/wakeup file.
  --- 
  ApportVersion: 2.12.6-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  letozaf    2771 F.... pulseaudio
   /dev/snd/controlC1:  letozaf    2771 F.... pulseaudio
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=aa591f66-2a28-435e-8570-155157c9a301
  InstallationDate: Installed on 2012-03-02 (610 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
   
   virbr0    no wireless extensions.
  MachineType: System manufacturer System Product Name
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.12.0-1-generic root=UUID=85f8c649-a0b7-4899-8b56-cf85fbe7f8e5 ro crashkernel=384M-2G:64M,2G-:128M quiet splash
  ProcVersionSignature: Ubuntu 3.12.0-1.3-generic 3.12.0-rc7
  RelatedPackageVersions:
   linux-restricted-modules-3.12.0-1-generic N/A
   linux-backports-modules-3.12.0-1-generic  N/A
   linux-firmware                            1.117
  RfKill:
   
  Tags:  trusty
  Uname: Linux 3.12.0-1-generic x86_64
  UpgradeStatus: Upgraded to trusty on 2013-10-25 (8 days ago)
  UserGroups: adm admin autopilot cdrom dip libvirtd lpadmin plugdev sambashare sudo vboxusers
  dmi.bios.date: 03/27/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0808
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M2N
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0808:bd03/27/2008:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2N:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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