This issue affects Lucid on G3 iMacs too. Installing Kenneth Finnegan's yaboot binary from comment #18 to the TFTP server solves the issue. Both vmlinuz and initrd load, and the kernel starts. Sizes are:
/var/lib/tftpboot$ ls -l iso-image/ubuntu-10.04-desktop-powerpc/casper/powerpc/ total 18360 -r--r--r-- 2 root root 9241444 2010-04-28 14:37 initrd -r--r--r-- 2 root root 9558100 2010-04-16 12:44 vmlinux /var/lib/tftpboot$ ls -l yaboot* -r--r--r-- 1 root root 163886 2010-05-18 06:18 yaboot -rw-r--r-- 1 root root 295 2010-05-18 05:26 yaboot.conf /var/lib/tftpboot$ cat yaboot.conf device=enet: partition=0 timeout=60 init-message="Ubuntu GNU/Linux NetBoot" default=ubuntu-10.04-desktop-powerpc image=/iso-image/ubuntu-10.04-desktop-powerpc/casper/powerpc/vmlinux label=ubuntu-10.04-desktop-powerpc initrd=/iso-image/ubuntu-10.04-desktop-powerpc/casper/powerpc/initrd This currently boots to busybox since I've not yet added the NFS root to the kernel's command-line, but hopefully it will help others. -- yaboot cannot handle kernels and/or initrds >6MB uncompressed for netbooting https://bugs.launchpad.net/bugs/26426 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs