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[Richard Mortimer <1331654@xxxxxxxxxxxxxxxxxx>]

It looks like linux-image-3.13.0-35-generic (3.13.0-35.62) contains the
fixes for this bug.

I've done some initial testing and it seems to work for me after a few
suspend/resume cycles.

The changelog says that it includes LP: #1347088 (Linux 3.13.11.5). The
launchpad #1347088 comments state that

"drm/i915: Avoid div-by-zero when pixel_multiplier is zero"

is included as part of the 3.13.11.5 patch.

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https://bugs.launchpad.net/bugs/1331654

Title:
  [Dell Inspiron 1525] Cannot resume from suspend

Status in The Linux Kernel:
  Unknown
Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  Hello folks,

  After upgrading to Ubuntu Trusty (14.04), I cannot more resume from a
  previous suspend. All things were all right on 13.10.

  If I boot previous kernel 3.11.0-23, everything works well.

  Also I've tried these kernels:

  vanilla 3.13.0-rc1 (Bugged)
  vanilla 3.12.22 (Working)

  I also noted if I suspend from lightdm menu (on 3.13.0-rc1), I can
  resume after, but If I do this after logged with my user (not root), I
  am unable to resume from suspend.

  I cannot perform Sysrq magic keys, I can only press the power button.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-29-generic 3.13.0-29.53
  ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
  Uname: Linux 3.13.0-29-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  iuri       2137 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Jun 18 15:22:53 2014
  HibernationDevice: RESUME=UUID=5dd061d0-fd44-4034-9107-63948dcd2c16
  InstallationDate: Installed on 2014-05-01 (48 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. Inspiron 1525
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-29-generic root=UUID=a198f31e-440b-4f9b-87bb-d5e956fbe42f ro rootflags=subvol=@ locale=pt_BR quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-29-generic N/A
   linux-backports-modules-3.13.0-29-generic  N/A
   linux-firmware                             1.127.2
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/16/2008
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A16
  dmi.board.name: 0D109D
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA16:bd10/16/2008:svnDellInc.:pnInspiron1525:pvr:rvnDellInc.:rn0D109D:rvr:cvnDellInc.:ct8:cvr:
  dmi.product.name: Inspiron 1525
  dmi.sys.vendor: Dell Inc.

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