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[Lepaffe Philippe <1395343@xxxxxxxxxxxxxxxxxx>]

I have the same issue, and switching to the mainline kernel fixed it
(3.19 stable), but unfortunately my laptop overheats when using this
version of the kernel and I've had to revert back to Ubuntu kernel
(3.16.0-30-generic).

Will the issue be fixed in a later revision of the standard Ubuntu 14.10
kernel (like 3.16.0-31/2/3/...) or should I just refrain from suspending
my laptop too often Vivid Vervet's release?

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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:
  Incomplete

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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