According to http://iso.qa.ubuntu.com/, problems encountered while booting the ISO image should be reported against "syslinux".
** Package changed: ubuntu => syslinux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1764932 Title: Xubuntu 18.04 i386 beta 2: After splash screen, installation hangs on black screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/syslinux/+bug/1764932/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs