Booting from 64-bit Live CD works in Lucid. This might be related to the fact that Maverick uses syslinux 4.x while Lucid and earlier releases use syslinux 3.x.
# lucid (utils): Bootloader for Linux/i386 using MS-DOS floppies
2:3.63+dfsg-2ubuntu3: amd64 i386
# maverick (utils): collection of boot loaders
2:4.01+dfsg-3ubuntu1: amd64 i386
Booting from 64-bit Live CD works in Lucid. This might be related to the fact that Maverick uses syslinux 4.x while Lucid and earlier releases use syslinux 3.x.
# lucid (utils): Bootloader for Linux/i386 using MS-DOS floppies dfsg-2ubuntu3: amd64 i386 dfsg-3ubuntu1: amd64 i386
2:3.63+
# maverick (utils): collection of boot loaders
2:4.01+