[Bug 1505370] Re: Creating a bootable CD with Ubuntu 15.10 results in "Boot error" on all non-UEFI machines

[Larry Hastings]

One more detail.   I have one computer with a sophisticated BIOS; it can
boot a USB stick in UEFI-mode or non-UEFI mode.  On that computer, the
bootable USB stick worked when booted in UEFI-mode and failed in non-
UEFI mode with the same "Boot Error" as everything else.

(To be explicit: the bootable USB stick was created by usb-creator, and
contained Ubuntu GNOME 15.10 daily from 2015/10/10, 64-bit.)

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https://bugs.launchpad.net/bugs/1505370

Title:
  Creating a bootable CD with Ubuntu 15.10 results in "Boot error" on
  all non-UEFI machines

Status in usb-creator package in Ubuntu:
  New

Bug description:
  I attempted to install "Ubuntu 15.10" and "Ubuntu GNOME 15.10" using
  usb-creator.  I tried "Beta 2" and a fresh daily (2015/10/10), both
  64-bit.  I tried it on five different computers.  The resulting USB
  stick booted correctly on all UEFI-based systems, but on non-UEFI
  systems SYSLINUX presents the error message "Boot Error".

  If I create the stick using usb-creator and an "Ubuntu 15.04" 64-bit
  ISO, the resulting USB stick boots fine on both UEFI and non-UEFI
  systems.

  I tried two different USB sticks, same results.

  I ran usb-creator on two different computers, using three different
  versions of Ubuntu (Ubuntu 14.10, Ubuntu GNOME 15.04, Ubuntu GNOME
  15.10, all 64-bit), same results.

  I used "Universal USB Installer" from PenDriveLinux.com on a Windows
  XP machine to create the Ubuntu GNOME 15.10 daily (2015/10/10)
  bootable USB stick, and *that* stick boots correctly on both UEFI-
  based and non-UEFI systems.

  So, to summarize: if I use usb-creator, with any Ubuntu 15.10 ISO, and
  attempt to boot on a non-UEFI system, it fails.  If I change any of
  those variables it works.

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