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[Graeme Hewson <ghewson@xxxxxxxxxxxxxx>]

Thanks, it looks promising! After upgrading to microcode version 1801,
3.11.0-13 successfully resumed. I'll see how it goes over the next few
days.

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https://bugs.launchpad.net/bugs/1251333

Title:
  System freezes after suspend to RAM

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  After upgrading to Kubuntu Saucy with kernel 3.11.0-12 the system was
  OK, but after upgrading to kernel 3.11.0-13 I started experiencing the
  problem.

  After sleeping the system overnight, it would partially wake up but
  then be unresponsive. The previous time I had the problem I could
  enter a few letters of my password into LightDM, but then the system
  became unresponsive to the keyboard and mouse, and didn't respond to
  pings. Today (with some other Kubuntu upgrades installed in the
  meantime) there was just a black screen apart from the mouse cursor,
  and the system was unresponsive to the keyboard and mouse straight
  away after waking the system with the keyboard. It responded to pings,
  and I could open a TCP session to it on port 22, but sshd was
  unresponsive.

  If I sleep the system for only a short time, it wakes OK. I see
  messages in syslog about the TSC, so maybe that's the reason for the
  problem.

  Possibly related to bug 1241582.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-13-generic 3.11.0-13.20
  ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6
  Uname: Linux 3.11.0-13-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ghewson    2761 F.... pulseaudio
   /dev/snd/controlC0:  ghewson    2761 F.... pulseaudio
  Date: Thu Nov 14 16:34:53 2013
  InstallationDate: Installed on 2012-01-02 (682 days ago)
  InstallationMedia: Kubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: System manufacturer System Product Name
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-13-generic root=UUID=74c50ca0-562b-4669-93e3-effffb1b729f ro quiet splash
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-13-generic N/A
   linux-backports-modules-3.11.0-13-generic  N/A
   linux-firmware                             1.116
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to saucy on 2013-10-20 (25 days ago)
  dmi.bios.date: 09/08/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1701
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M4A88TD-M EVO
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1701:bd09/08/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4A88TD-MEVO:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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