[Bug 1724406] Re: Installation on an Acer Travelmate Spin B1 hangs during grub package

[Highskillcharly]

** This bug is no longer a duplicate of bug 1767703
   Calling 'apt-install grub-efi-amd64-signed' failed

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Title:
  Installation on an Acer Travelmate Spin B1 hangs during grub package

Status in grub-installer package in Ubuntu:
  Confirmed

Bug description:
  Attempted installation of Ubuntu 16.04.3 on an Acer Travelmate Spin
  B1. It appears to hang during installation of the grub package (it's
  difficult to tell due to the lack of a storage indicator light on the
  laptop, but after waiting quarter of an hour with no change in the
  process I figured a hang was a safe assumption). Digging into the
  process tree indicated that the grub package was attempting to run:

  cat /sys/firmware/efi/vars/OsIndicationsSupported-8be4df61-93ca-11d2
  -aa0d-00e098032b8c/data

  And this appears to hang on this platform (I attempted it manually
  from a terminal). I killed the offending command (with sudo kill
  <pid>) to see if the installer would eventually determine things had
  gone wrong and quit sensibly. It eventually did, but only after a few
  more "sudo kill" operations on various hung processes. I'd assume this
  is down to something horribly strange about Acer's UEFI setup which
  I'll spend tomorrow googling!

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: ubiquity 2.21.63.4 [modified: lib/partman/automatically_partition/question]
  ProcVersionSignature: Ubuntu 4.10.0-28.32~16.04.2-generic 4.10.17
  Uname: Linux 4.10.0-28-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  CasperVersion: 1.376.2
  Date: Wed Oct 18 00:03:23 2017
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
  ProcEnviron:
   LANGUAGE=en_GB.UTF-8
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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