[Bug 1608256] Re: 16.04.1, initial install, non-UEFI system: package shim-signed 1.18~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Mathieu Trudel-Lapierre]

This has been fixed since June in libdebian-installer[1], which is where
the magic lives that is used by archdetect to return whether or not
we're installing in EFI.

I expect that the 16.04.1 images would include these fixes, but earlier
(except dailies) would not. It would also be in effect in yakkety of
course.

Is there a chance you could try a new install, or at least tell us the
make and model of that system so we can run some further testing to make
sure it is properly fixed?

[1] https://launchpad.net/ubuntu/+source/libdebian-
installer/0.102ubuntu1.1

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Title:
  16.04.1, initial install, non-UEFI system: package shim-signed
  1.18~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess
  installed post-installation script returned error exit status 1

Status in shim-signed package in Ubuntu:
  Triaged

Bug description:
  During installation procedure error with grub was reported. No more
  action possible, although the window said 'close' and then proceed.

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: shim-signed 1.18~16.04.1+0.8-0ubuntu2
  ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
  Uname: Linux 4.4.0-31-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  BootEFIContents:
   fw
   fwupx64.efi
  Date: Sun Jul 31 18:41:49 2016
  Df:
   Dateisystem    1K-Blöcke Benutzt Verfügbar Verw% Eingehängt auf
   /dev/sda1       44541744 8507556  33748628   21% /
   /dev/sdb1        3923456 1476984   2446472   38% /cdrom
   udev             4004768       0   4004768    0% /dev
   tmpfs             803880    9460    794420    2% /run
  EFIBootMgr: Error: command ['efibootmgr', '-v'] failed with exit code 2: efibootmgr: EFI variables are not supported on this system.
  ErrorMessage: subprocess installed post-installation script returned error exit status 1
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.1
   apt  1.2.12~ubuntu16.04.1
  SourcePackage: shim-signed
  Title: package shim-signed 1.18~16.04.1+0.8-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
  UpgradeStatus: No upgrade log present (probably fresh install)

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