[Bug 1798970] Re: dual Ubuntu 18.04 with Window 8.1 failed

[Willem]

+ the installer crashed when I wanna go in with the testing.

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https://bugs.launchpad.net/bugs/1798970

Title:
  dual Ubuntu 18.04 with Window 8.1 failed

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Ubuntu 18.04 failed. It's has something to do with EFI, grub-efi-
  amd64-signed and linux-generic was incorperated in boot-repair, but it
  comes again when I'm restart.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: ubiquity 18.04.14.6
  ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.15.18
  Uname: Linux 4.15.0-29-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CasperVersion: 1.394
  Date: Sat Oct 20 16:26:00 2018
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  SourcePackage: ubiquity
  UpgradeStatus: No upgrade log present (probably fresh install)

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