Hi everyone, I've just now gotten back to my G5 to see if I could make some progress. I've tried out everyone's suggestions and here's where I stand:
I looked up the OpenFirmware aliases on my machine. The ones of interest are as follows: sata /ht/[EMAIL PROTECTED]/k2-sata-root hd /ht/[EMAIL PROTECTED]/k2-sata-root/[EMAIL PROTECTED]/disk0 ultra0 /ht/[EMAIL PROTECTED]/k2-sata-root/[EMAIL PROTECTED]/disk0 ultra1 /ht/[EMAIL PROTECTED]/k2-sata-root/[EMAIL PROTECTED]/disk0 sd0 /ht/[EMAIL PROTECTED]/k2-sata-root/[EMAIL PROTECTED]/disk0 sd1 /ht/[EMAIL PROTECTED]/k2-sata-root/[EMAIL PROTECTED]/disk0 sd2 /ht/[EMAIL PROTECTED]/k2-sata-root/[EMAIL PROTECTED]/disk0 sd3 /ht/[EMAIL PROTECTED]/k2-sata-root/[EMAIL PROTECTED]/disk0 k2-sata /ht/[EMAIL PROTECTED]/k2-sata-root pci0 /[EMAIL PROTECTED],f0000000 first-boot /[EMAIL PROTECTED],f2000000/[EMAIL PROTECTED]/[EMAIL PROTECTED]/k2-sata second-boot /[EMAIL PROTECTED],f2000000/[EMAIL PROTECTED]/[EMAIL PROTECTED]/disk last-boot /[EMAIL PROTECTED],f2000000/[EMAIL PROTECTED]/ethernet >From Paddy's suggestions to type in "boot sdb1:,\\yaboot" at the OF prompt, I was expecting to find an sdb1 alias, but I don't seem to have one. I'm not exactly sure which alias points to my 2nd HD, but I'd venture to guess ultra1 and sd1 both do but I'm unsure what sd2 and sd3 are. I also commented out the ofboot ine in my yaboot.conf. Here's its current state: boot=/dev/sdb2 device=/[EMAIL PROTECTED],f2000000/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]: partition=3 root=/dev/sdb3 timeout=100 install=/usr/lib/yaboot/yaboot magicboot=/usr/lib/yaboot/ofboot ##ofboot=/[EMAIL PROTECTED],f2000000/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]:2 enablecdboot enableofboot macosx=/dev/sda9 image=/boot/vmlinux label=Linux read-only initrd=/boot/initrd.img image=/boot/vmlinux.old label=old read-only initrd=/boot/initrd.img.old And the debug trace: DEBUG: ofboot set to `/[EMAIL PROTECTED]/[EMAIL PROTECTED]:2' ybin: DEBUG: macosx set to `/[EMAIL PROTECTED],f2000000/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]:9' from `/dev/sda9' ybin: DEBUG: OS=4 ybin: DEBUG: /bin/sh /usr/lib/yaboot/ofboot 4 bootyaboot 10 0 yaboot GNU l /[EMAIL PROTECTED]/[EMAIL PROTECTED]:2 ,\\yaboot macosx MacOSX x /[EMAIL PROTECTED],f2000000/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]:9 ,\\:tbxi cd CDROM c cd: ,\\:tbxi of OpenFirmware o quit now ybin: DEBUG: set magicboot to /tmp/ofboot.O3xXhS ybin: DEBUG: boot-device=/[EMAIL PROTECTED]/[EMAIL PROTECTED]:2,\\:tbxi This line in particular has changed since taking out the ofboot line: /bin/sh /usr/lib/yaboot/ofboot 4 bootyaboot 10 0 yaboot GNU l /[EMAIL PROTECTED]/[EMAIL PROTECTED]:2 ,\\yaboot macosx MacOSX x It now points to [EMAIL PROTECTED]/[EMAIL PROTECTED]:2 instead of the former /[EMAIL PROTECTED]/[EMAIL PROTECTED]/[EMAIL PROTECTED]:2. I think this is the crux of my problem. Somehow, I need to figure out the exact path of the second partition on my second hard drive where yaboot lives. I'm not sure how to do this. Also, I tried to run pdisk, but it apparentlt isn't on the Ubuntu live CD. thanks, wes