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[Tong Sun <1395343@xxxxxxxxxxxxxxxxxx>]

apport information

** Attachment added: "ProcCpuinfo.txt"
   https://bugs.launchpad.net/bugs/1395343/+attachment/4274884/+files/ProcCpuinfo.txt

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https://bugs.launchpad.net/bugs/1395343

Title:
  Ubuntu 14.10 Utopic suspend/resume not working for my Laptop

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  The Ubuntu 14.10 Utopic suspend/resume is not working for my Laptop. I
  first tried with the Live CD, on failing that, and thinking that
  suspend might need some disk to write to for the suspend info, I did a
  HD installation. But still, suspend/resume is still not working.

  On second attempt (after HD installation), I switched to console and
  close my Laptop lid. It suspended well, as it has always been. On
  resume, I see the repeating errors of `sda1` "soft reset failure" (or
  something like that). Minutes later, I start to see all kinds of disk
  related errors, disk sector writing error, ext4 journal error, etc.

  I thus think the reason of `resume` not working is that the HD is not
  waken up.

  This is Acer Aspire AS5536, with XUbuntu 14.10 Utopic.

  Any more info that I can provide?

  Thanks
  --- 
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  tong       2395 F.... pulseaudio
   /dev/snd/controlC1:  tong       2395 F.... pulseaudio
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 14.10
  MachineType: Acer Aspire 5536
  Package: linux (not installed)
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-23-generic initrd=/boot/initrd.img-3.16.0-23-generic root=UUID=439ff0f7-d3d2-462e-8068-c70327555171 ro
  ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-23-generic N/A
   linux-backports-modules-3.16.0-23-generic  N/A
   linux-firmware                             1.138
  Tags:  utopic utopic
  Uname: Linux 3.16.0-23-generic x86_64
  UnreportableReason: The report belongs to a package that is not installed.
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm arch audio cdrom crew dialout dip disk fax floppy games guest mail news plugdev sudo tape tty users uucp video voice www-data
  _MarkForUpload: True
  dmi.bios.date: 02/27/2009
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: V1.03
  dmi.board.name: JV50PU
  dmi.board.vendor: Acer
  dmi.board.version: Rev
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrV1.03:bd02/27/2009:svnAcer:pnAspire5536:pvr0100:rvnAcer:rnJV50PU:rvrRev:cvnAcer:ct10:cvrN/A:
  dmi.product.name: Aspire 5536
  dmi.product.version: 0100
  dmi.sys.vendor: Acer

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