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[James Page <james.page@xxxxxxxxxx>]

*** This bug is a duplicate of bug 602049 ***
    https://bugs.launchpad.net/bugs/602049

** This bug has been marked a duplicate of bug 602049
   Suspend to RAM fails due to tpm_tis kernel module (regression)

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https://bugs.launchpad.net/bugs/874315

Title:
  Lenovo X200T cannot suspend or hibernate

Status in “pm-utils” package in Ubuntu:
  New

Bug description:
  The laptop doesn't get to sleep anymore, but it did around 3 months
  ago, so it might be a kernel-related bug. Here is the syslog extract
  after running "sudo pm-suspend":

  Oct 14 11:01:33 cherry kernel: [ 3387.516767] Freezing user space processes ... (elapsed 0.01 seconds) done.
  Oct 14 11:01:33 cherry kernel: [ 3387.532119] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
  Oct 14 11:01:33 cherry kernel: [ 3387.548124] PM: Entering mem sleep
  Oct 14 11:01:33 cherry kernel: [ 3387.548216] Suspending console(s) (use no_console_suspend to debug)
  Oct 14 11:01:33 cherry kernel: [ 3387.550699] sd 2:0:0:0: [sda] Synchronizing SCSI cache
  Oct 14 11:01:33 cherry kernel: [ 3387.552484] sd 2:0:0:0: [sda] Stopping disk
  Oct 14 11:01:33 cherry kernel: [ 3387.600155] legacy_suspend(): pnp_bus_suspend+0x0/0xa0 returns 28
  Oct 14 11:01:33 cherry kernel: [ 3387.600160] PM: Device 00:0b failed to suspend: error 28
  Oct 14 11:01:33 cherry kernel: [ 3387.665811] PM: suspend of drv:sd dev:2:0:0:0 complete after 115.120 msecs
  Oct 14 11:01:33 cherry kernel: [ 3387.665936] PM: Some devices failed to suspend
  Oct 14 11:01:33 cherry kernel: [ 3387.670350] sd 2:0:0:0: [sda] Starting disk

  The important line here seems to be

  Oct 14 11:01:33 cherry kernel: [ 3387.600155] legacy_suspend():
  pnp_bus_suspend+0x0/0xa0 returns 28

  Thanks!

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: pm-utils 1.4.1-8ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  Date: Fri Oct 14 10:58:55 2011
  EcryptfsInUse: Yes
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  PackageArchitecture: all
  SourcePackage: pm-utils
  UpgradeStatus: No upgrade log present (probably fresh install)

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