[Bug 859539] Re: usb-creator-gtk fails to install bootloader: "System policy prevents installing the bootloader"

[Lex Ross]

Same thing on 14.04.2. Upon entering admin user password the script
fails with the error message, 'Failed to install boot loader' and quits.
In fact, it's getting even worse as on top of it the script now fails to
erase the USB stick as well with the error message:

org.freedesktop.DBus.Python.gi._glib.GError: Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/dbus/service.py", line 707, in _message_cb
    retval = candidate_method(self, *args, **keywords)
  File "/usr/share/usb-creator/usb-creator-helper", line 239, in Format
    block.call_format_sync('vfat', GLib.Variant('a{sv}', {'label': GLib.Variant('s', '')}), None)
gi._glib.GError: GDBus.Error:org.freedesktop.UDisks2.Error.Failed: Error synchronizing after initial wipe: Timed out waiting for object

and from that point on the erasing takes forever. Not only that but when
I finally close the USB Stick creator window, I am left with the USB
stick labelled with the chosen distribution name, and appropriate files
appear to be copied over. This is very confusing, given the instructions
on official Ubuntu site claim the process of making the bootable stick
is straightforward and is easy.

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https://bugs.launchpad.net/bugs/859539

Title:
  usb-creator-gtk fails to install bootloader: "System policy prevents
  installing the bootloader"

Status in usb-creator package in Ubuntu:
  Confirmed

Bug description:
  When creating USB stick from Ubuntu CD ISO image (or any other
  bootable CD ISO image for that matter) upon finishing copying files
  onto the USB stick I am getting an error message "System policy
  prevents installing the bootloader"followed by password prompt. When I
  enter the password, I get an error message "Failed to install
  bootloader". The result is the USB stick with all necessary files on
  it, but it is not bootable. I do have all administrative rights for
  the account I am using.

  And if I start usb-creator-gtk from a command line after "sudo -s" it
  crashes with a segmentation fault just after copying files onto the
  USB stick.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: usb-creator-gtk 0.2.28.3
  ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
  Uname: Linux 2.6.38-11-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Mon Sep 26 14:18:09 2011
  InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=ru:en
   LANG=ru_RU.UTF-8
   SHELL=/bin/bash
  SourcePackage: usb-creator
  UpgradeStatus: Upgraded to natty on 2011-04-15 (163 days ago)

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