[Bug 1497647] Re: Ubiquity crashes during OS install

[Phillip Susi]

*** This bug is a duplicate of bug 1354730 ***
    https://bugs.launchpad.net/bugs/1354730

** This bug has been marked a duplicate of bug 1354730
   14.04 grub-install failed: Wrong number of args: mapdevfs <path>

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https://bugs.launchpad.net/bugs/1497647

Title:
  Ubiquity crashes during OS install

Status in grub-installer package in Ubuntu:
  New

Bug description:
  Installing to hybrid btrfs raid.  Adaptec 51245, 4x 2 ssd raid1
  (/dev/sda-d).  mkfs.btrfs -m raid10 -d raid0 /dev/sda-e.

  Install fails at some point.  Live session is very slow.  Typing and
  mouse movements are delayed.

  Hardware:
  ASUS X99-A USB 3.1
  i7-5930K
  32GiB DDR4 RAM
  8x SAMSUNG 840 Pro 256GB
  2x AMD FirePro W5000

  Numerous devices on pci at 0000 reported as unclaimed.  This was not an
  issue prior to 15.04.  Even 14.04 with 3.19 kernel was without this
  issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: ubiquity 2.21.25
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  CasperVersion: 1.360
  Date: Sat Sep 19 17:03:27 2015
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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