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[Nils Sabelstrom <nilssab@xxxxxxxxx>]

I can confirm successful booting using a Acer v5-171 with bios version 2.21
tested media is 14.04 liveUSB and installed ubuntu 14.04

All with secure boot enabled.

If you update to V2.21, this needs to be done from win8 and the
EFI/ubuntu folder was removed for me, so please make sure to back up
your boot files and copy them back using a liveCD after upgrading.

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https://bugs.launchpad.net/bugs/1123403

Title:
  [Acer V5-171] Installer is blocked by UEFI Secure Boot

Status in “linux” package in Ubuntu:
  Incomplete
Status in “linux” source package in Saucy:
  Confirmed

Bug description:
  The release notes for Ubuntu 12.10 claim [1] that UEFI Secure Boot is supported and suggest that I should expect an "it just works" experience on new hardware. However, when I try to boot an Ubuntu 12.10 64-bit bootable USB stick [2] on a brand-new Acer Aspire V5-171, the following message appears:
      2. USB HDD: Memorex TD Classic 003C has been blocked by the current security policy.
      [Ok]

  [1]: https://wiki.ubuntu.com/QuantalQuetzal/ReleaseNotes/UbuntuDesktop#QuantalQuetzal.2BAC8-ReleaseNotes.2BAC8-CommonInfrastructure.Secure_Boot
  [2]: http://www.ubuntu.com/download/help/create-a-usb-stick-on-windows

  WORKAROUND: Enable legacy BIOS boot mode.

  ---
  ApportVersion: 2.10.2-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     2977 F.... pulseaudio
  CasperVersion: 1.335
  DistroRelease: Ubuntu 13.10
  LiveMediaBuild: Ubuntu 13.10 "Saucy Salamander" - Alpha amd64 (20130627)
  MachineType: Acer V5-171
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/username.seed boot=casper quiet splash --
  ProcVersionSignature: Ubuntu 3.9.0-7.15-generic 3.9.7
  RelatedPackageVersions:
   linux-restricted-modules-3.9.0-7-generic N/A
   linux-backports-modules-3.9.0-7-generic  N/A
   linux-firmware                           1.109
  Tags:  saucy
  Uname: Linux 3.9.0-7-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 12/12/2012
  dmi.bios.vendor: Acer
  dmi.bios.version: V2.09
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: Mimic
  dmi.board.vendor: Acer
  dmi.board.version: Type2 - Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V2.09
  dmi.modalias: dmi:bvnAcer:bvrV2.09:bd12/12/2012:svnAcer:pnV5-171:pvrV2.09:rvnAcer:rnMimic:rvrType2-BoardVersion:cvnAcer:ct10:cvrV2.09:
  dmi.product.name: V5-171
  dmi.product.version: V2.09
  dmi.sys.vendor: Acer

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