Public bug reported:
I have not been able to successfully create a bootable USB flash drive
for about two years using modern desktop versions of Ubuntu. This
weekend I tried again by booting from an Ubuntu Desktop 18.04 amd64
workstation and using ubuntu-18.04-desktop-amd64.iso. The qemu test run
seemed to boot, but after a while the boot splash screen just remained
open. The PC I intended to do a clean install on simply dropped down to
BusyBox. I tried various BIOS settings such as booting from UEFI,
booting from legacy etc with no success. In the past I got different
results on different workstations, but never got a USB stick booting (I
forgot which version of Ubuntu this started becoming an issue, because I
have created USB boot disks for older versions of Ubuntu many times). I
have tried UNetbootin, MultiWriter, usb-creator-gtk and even tried Rufus
on a Windows VM on KVM. None of the options worked (actually, UNetbootin
did not even start up correctly). Up to now the workstations I built up
had DVD drives, so I simply made a bootable CD - which has never let me
down. However this last workstation did not have a DVD drive so in the
end I booted Ubuntu 16.04 which it had installed on a different drive
and used grml-rescueboot to boot the ISO and perform the installation.
If you google "Ubuntu does not boot from usb" you will find that it
seems there this is an existing issue for many people. I would seriously
consider having a standard USB image with grml preinstalled and allowing
users to put whichever ISO they want to boot in a specific folder on the
USB drive. There are a number of web sites explaining how to create a
USB drive which is bootable in both UEFI and Legacy modes, and since
Windows 10 ships on a single USB pen drive it should be totally possible
to have a solution for Linux as well.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1798251
Title:
Cannot boot from USB pen drive
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