[Bug 1744357] Re: Bionic 32 bit iso fails to boot

[Launchpad Bug Tracker]

*** This bug is a duplicate of bug 1745118 ***
    https://bugs.launchpad.net/bugs/1745118

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: syslinux (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1744357

Title:
  Bionic 32 bit iso fails to boot

Status in syslinux package in Ubuntu:
  Confirmed

Bug description:
  Noticed a comment in #ubuntu+1 about an issue booting 32 bit Kubuntu
  early UK 19th January, followed up with some testing of various
  flavour 32 bit iso's.

  First checked with 4.13.0-30 (which I installed from bionic-proposed),
  also tested with 4.13.0-25

  Tested all using gnome-disks and dd.

  These tests were all done with ISO's available from the iso tracker
  for Bionic at 06:30 UTC 19th January.

  These flavours fail to boot 32 bit iso with no comment - all I get is
  a reboot of the machine, time to reboot depending on waiting for
  human/kbd or using Try 'flavour' from the boot menu.

  Kubuntu Bionic 32 bit failed to boot using either gnome-disks and dd.
  Lubuntu Bionic 32 bit failed to boot using either gnome-disks and dd.
  Xubuntu Bionic 32 bit failed to boot using either gnome-disks and dd.

  The following 2 flavours were only checked using 4.13.0-30 and iso's
  were downloaded ~16:30 UTC and dd.

  Ubuntu Mate 32 bit failed to boot using dd.
  Ubuntu Budgie 32 bit failed to boot using dd.

  To test that this wasn't an issue locally I also tested Xubuntu
  17.10.1 32 bit ISO - this booted when created on either bionic kernel
  either with gnome-disks or dd.

  In addition I have grub stanza's (see below) set up for ease of
  booting the Xubuntu Bionic ISO's, these are updated at the same time
  as I zsync Xubuntu ISO's.

  Xubuntu 64 bit from GRUB - booted
  Xubuntu 32 bit from GRUB - failed to boot

  menuentry "XUBUNTU 18.04 32B Daily ISO" {
          set isofile="/boot/grubiso/xubuntu-bionic-desktop-i386.iso"
          loopback loop (hd0,6)$isofile
          linux (loop)/casper/vmlinuz boot=casper iso-scan/filename=$isofile noprompt noswap noeject
          initrd (loop)/casper/initrd.lz
  }

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