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[vaiopro <1265381@xxxxxxxxxxxxxxxxxx>]

fixed this by adding
"libata.force=noncq" to the grub config. i totally forgot that i did that with my first install. the laptop now boots in 7 seconds from the moment of the ubuntu password boot screen, to the desktop. before that it took way over one minute.
it works every time!

i also use the v3.12-saucy kernel, that fixed the haswell cpu throttling
to 800mhz.

stock 13.10 is not usable on the vaio pro. let's hope 14.04. i will stick with this stable release/system.
here's a nice list, what needed to be done to get 13.10 working on the vaio pro: http://steffankarger.nl/2013/12/10/ubuntu-13-10-on-the-sony-vaio-pro-13/

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https://bugs.launchpad.net/bugs/1265381

Title:
  [Sony VAIO SVP1321C5E] luks/lvm encrypted 13.10 installation doesn't
  reliably boot

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I re-installed ubuntu 13.10 x64 on my vaio pro, in legacy, bios mode. The installation is lvm/luks encrypted and thus asks me for the encryption password before booting. it does not reliably boot. i often have to try several times, those are the errors i get http://i.imgur.com/0ZAMCfT.jpg  :
  "... alert! /dev/mapper/ubuntu-vg-root does not exist ..."

  and sometimes it "boots" without asking me for the password and then fails with  http://i.imgur.com/Cu68SfN.jpg :
  "cryptsetup: cvms_activate is not available"

  this happened on my old install, i fully wiped the ssd and the problem
  still persists. how can i fix this? and does anyone have an idea, why
  booting takes over one minute? the pci-e samsung ssd reads with around
  800MB/s that should boot in 15 seconds or less. my macbook with a slow
  sata3 ssd boots in 20 seconds, with full disc encryption.

  edit:
  crypttab
  http://paste.ubuntu.com/6673077/
  fstab:
  http://paste.ubuntu.com/6673078/

  i didn't mention it before, but i used the defaults of the installer
  and didn't create my own partition layout. just install with internet
  and getting updates during the install, reboot into system, install
  updates and then i had the error, again, like in my previous install.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-14-generic 3.11.0-14.21
  ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
  Uname: Linux 3.11.0-14-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  m          1461 F.... pulseaudio
   /dev/snd/controlC0:  m          1461 F.... pulseaudio
  Date: Wed Jan  1 20:08:10 2014
  HibernationDevice: RESUME=UUID=74796e68-32ea-4456-b0f2-86dd90518c95
  InstallationDate: Installed on 2013-12-31 (0 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: Sony Corporation SVP1321C5E
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-14-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-14-generic N/A
   linux-backports-modules-3.11.0-14-generic  N/A
   linux-firmware                             1.116
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/09/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: R1040V7
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR1040V7:bd09/09/2013:svnSonyCorporation:pnSVP1321C5E:pvrC60C77TA:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: SVP1321C5E
  dmi.product.version: C60C77TA
  dmi.sys.vendor: Sony Corporation

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