Sounds like the bug is in syslinux, so retargeting to that package. I think fixing syslinux would be better than working around it in usb- creator.
** Description changed: Binary package hint: usb-creator i get this error when booting: SYSLINUX 3.63 Debian-2008-07-15 EBIOS Copyright (c) 1994-2008 H. Peter Anvin Unknown keyword in configuration file boot: apparently this is also a problem in Lucid: http://www.khattam.info /solved-syslinux-unknown-keyword-in-configuration-file-2010-09-01.html will try instructions on khattam website, but wanted to create a bug first, in case others are out there. + [Workaround] + Another solution is to open your USB flash, open filé /syslinux/syslinux.cfg, find the word ui and remove it along with it's following space. Done :-) + ProblemType: Bug Architecture: i386 Date: Wed Oct 13 01:31:03 2010 DistroRelease: Ubuntu 9.10 InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5) Package: usb-creator (not installed) ProcEnviron: - LANG=en_US.UTF-8 - SHELL=/bin/bash + LANG=en_US.UTF-8 + SHELL=/bin/bash ProcVersionSignature: Ubuntu 2.6.31-22.65-generic SourcePackage: usb-creator Uname: Linux 2.6.31-22-generic i686 ** Changed in: usb-creator (Ubuntu) Status: Fix Committed => Confirmed ** Package changed: usb-creator (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/659756 Title: Maverick usb boot stick made in karmic fails to boot -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs