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[SLOPE <lacus1aestatis@xxxxxxxxx>]

I'm sorry. I don't clearly remember that in prior Trusty release.
In EeePC 1215B, because in many cases that can’t resume after suspend, I had to not use the suspend-resume.
If Wifi off then suspend-resume is usable in stable and this problem was discovered.
If necessary, free space is in the HDD to new Ubuntu installation.

I was sampling debugging information on 3.18.0-031800rc3-generic .
"cat /proc/acpi/wakeup" is no diffrence of GRUB_CMDLINE_LINUX="acpi=noirq" and GRUB_CMDLINE_LINUX="" .


** Attachment added: "cat /proc/acpi/wakeup > wakeup"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1388310/+attachment/4252166/+files/wakeup

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https://bugs.launchpad.net/bugs/1388310

Title:
  [Asus EeePC 1215B] Doesn't  (re)boot  after suspend-resume.

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  I have this problem on Asus EeePC 1215B Ubuntu 14.04.1 LTS. How to reproduce problem.
  1. Start Ubuntu
  2. Suspend and resume.
  3. Reboot computer.
  Result is normally BIOS check screen first, next display black screen and left top blinking cursor, few minute wait display message "Reboot and Select proper Boot device". grub menu screen is not displayed.

  For nomally start Ubuntu,
  1. Unplug AC cord.
  2. Wait few seconds.
  3. Plug AC cord.
  4. Push power button.

  WORKAROUND: Adding the following to GRUB_CMDLINE_LINUX= line in file /etc/default/grub for now the problem has been resolved:
  acpi=noirq

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-39-generic 3.13.0-39.66
  ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
  Uname: Linux 3.13.0-39-generic i686
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  slope      2250 F.... pulseaudio
   /dev/snd/controlC2:  slope      2250 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sat Nov  1 12:32:40 2014
  InstallationDate: Installed on 2012-07-09 (844 days ago)
  InstallationMedia: Ubuntu 12.04 "Precise" - Build i386 LIVE Binary 20120501-03:27
  MachineType: ASUSTeK Computer INC. 1215B
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-39-generic root=UUID=ef90d0b0-f9f5-4f44-ae79-9d286346c50d ro acpi=noirq quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-39-generic N/A
   linux-backports-modules-3.13.0-39-generic  N/A
   linux-firmware                             1.127.7
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-05-04 (180 days ago)
  dmi.bios.date: 11/30/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0503
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: 1215B
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: x.xx
  dmi.chassis.asset.tag: 0x00000000
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer INC.
  dmi.chassis.version: x.x
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0503:bd11/30/2011:svnASUSTeKComputerINC.:pn1215B:pvrx.x:rvnASUSTeKComputerINC.:rn1215B:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
  dmi.product.name: 1215B
  dmi.product.version: x.x
  dmi.sys.vendor: ASUSTeK Computer INC.

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