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[Launchpad Bug Tracker <1514078@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1514078

Title:
  Ubuntu freezes on boot when asking for encryption password on kernels
  newer then 3.19.0-28-generic

Status in linux package in Ubuntu:
  Expired

Bug description:
  I have my main partition encrypted. When I start my computer, Ubuntu
  will prompt me to enter my disk encryption password. This works fine
  on the kernel 3.19.0-28-generic, but if I use any of the newer
  kernels, like 29, 30, 31 and 32, the system appears to freeze as soon
  as it gets to the prompt screen.

  I can't actually tell whats going on when its frozen. The only symptom is that it does not accept keyboard input anymore, so I can't actually enter my encryption password. Nothing happens when I press the keys. It might have been that
  1) the whole computer had a kernel panic, 
  2) it might be frozen in some other way,
  3) or it may be just that something went wrong when setting up my keyboard to accept input and that the computer is otherwise running fine.

  I don't really know, all I can really tell is that if I go back to an older kernel, like 28, it works absolutely fine, but anything newer and I can't boot my computer at all.
  --- 
  ApportVersion: 2.17.2-0ubuntu1.7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  bradley    1734 F.... pulseaudio
   /dev/snd/controlC0:  bradley    1734 F.... pulseaudio
  DistroRelease: Ubuntu 15.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=a56109c4-0eb7-418f-b525-2ae82c52ec32
  InstallationDate: Installed on 2015-08-31 (73 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 064e:9700 Suyin Corp. 
   Bus 001 Device 002: ID 8087:0a2a Intel Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. UX305FA
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-28-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-28.30-generic 3.19.8-ckt5
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-28-generic N/A
   linux-backports-modules-3.19.0-28-generic  N/A
   linux-firmware                             1.143.4
  Tags:  vivid
  UdevLog: Error: [Errno 2] Aucun fichier ou dossier de ce type: '/var/log/udev'
  Uname: Linux 3.19.0-28-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 03/26/2015
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: UX305FA.208
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: UX305FA
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrUX305FA.208:bd03/26/2015:svnASUSTeKCOMPUTERINC.:pnUX305FA:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX305FA:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: UX305FA
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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