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[Mark Stosberg <mark@xxxxxxxxxxxx>]

Here's my latest test result, using:
   -  X220 i7
   - Samsung 840 Pro SSD
   - BIOS 1.39
  - Ubuntu 12.04.3
  - Kernel 3.8.0-33

Using "sudo pm-suspend", the first cycle completes normally.
On the second cycle, I see an "Unable to dock!" message as it's suspending. It resumes to show  a black screen with the "Unable to dock" message on it. 

I use can "Alt-F1" to see a screen with a login prompt, but I can't
login.

After a hard-power-off and restarting, I check /var/log/pm-suspend.log
and find that the last suspend is logged, but there is no detail at all
about resume.

The only indication of a problem I see in /var/log/pm-suspend.log is 
"Having NetworkManager put all interfaces to sleep...Failed",
but that happens on the first, successful suspend cycle as well. 

>From having looked at other variations of this issue as I've tried to
work through it, I think what's happening is that the OS is running
after resume, but I/O to the hard drive has failed. That explains why
the "resume" portion of the logging is completely missing, and why I can
get as far as the login screen, but login (presumably it's started to
load something from the drive at that point, and is failing).

In the BIOS, I tried changing the SATA connection from "AHCI" to Legacy,
but it doesn't help. (Above it's in Legacy mode still, I think).  I also
tried an Intel 520 Cherryville SSD with similar results.

Using a mechanical Hitachi drive, I was able to 10 successful
suspend/resume cycles in a row, but I want this to work with one of
these two SSDs.

As noted above, I also tried 14.04 on this laptop, and had problems with
suspend as well. My last notes on that contain a different failure mode,
though:

" Suspended via Fn-F4, Screen came back, but was very dim, and mouse was
frozen."

I'm willing to try either 12.04 or 14.04, if you have suggestions of
things to try.

12.04 is currently on the SSD, while 14.04 is on a Live USB drive.

-- 
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https://bugs.launchpad.net/bugs/1233794

Title:
  [LENOVO  ThinkPad X220] suspend/resume failure

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  It seem to me that this is a strange problem. After suspend, there is
  no resume. The strange thing is that after installing a new
  kernelpackage it work as it should for 2 or 3 times, the it start
  failing again.

  ProblemType: KernelOops
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-9-generic 3.11.0-9.16
  ProcVersionSignature: Ubuntu 3.11.0-9.16-generic 3.11.2
  Uname: Linux 3.11.0-9-generic x86_64
  Annotation: This occured during a previous suspend and prevented it from resuming properly.
  ApportVersion: 2.12.5-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  rolfc      2312 F.... pulseaudio
   /dev/snd/seq:        timidity   1375 F.... timidity
  Date: Tue Oct  1 20:24:13 2013
  ExecutablePath: /usr/share/apport/apportcheckresume
  Failure: suspend/resume
  HibernationDevice: RESUME=UUID=26a91e75-e73a-4504-831f-5088ed794e48
  InstallationDate: Installed on 2012-05-22 (497 days ago)
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  InterpreterPath: /usr/bin/python3.3
  MachineType: LENOVO 42914CG
  MarkForUpload: True
  ProcCmdline: /usr/bin/python3 /usr/share/apport/apportcheckresume
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-9-generic root=UUID=0e70b3de-2758-4c05-aee2-4955f07e0e7c ro quiet splash vt.handoff=7
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: Daemon not responding.
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-9-generic N/A
   linux-backports-modules-3.11.0-9-generic  N/A
   linux-firmware                            1.115
  SourcePackage: linux
  Title: [LENOVO 42914CG] suspend/resume failure
  UpgradeStatus: Upgraded to saucy on 2013-09-09 (21 days ago)
  UserGroups:
   
  dmi.bios.date: 02/14/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET58WW (1.28 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 42914CG
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr8DET58WW(1.28):bd02/14/2012:svnLENOVO:pn42914CG:pvrThinkPadX220:rvnLENOVO:rn42914CG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 42914CG
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO

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