Gentoo Archives: gentoo-ppc-user

From: Joe Fox <jwfoxjr@×××××.com>
To: gentoo-ppc-user@l.g.o
Subject: Re: [gentoo-ppc-user] Re: New install - Unable to get my ppc Mac Mini to boot the root partition
Date: Tue, 31 Aug 2010 19:18:10
Message-Id: AANLkTinWZdujyQzf=TRgGxyfFuYV4sb_pkGDEakh_Hu7@mail.gmail.com
In Reply to: [gentoo-ppc-user] Re: New install - Unable to get my ppc Mac Mini to boot the root partition by Mark Knecht
Mark,

Can you post your /etc/fstab?  I just want to give it a once over.

Thanks.

Joe Fox
Systems/Network Administrator

Mobile# (716) 846-9308
http://twitter.com/JWFoxJr


On Tue, Aug 31, 2010 at 3:13 PM, Mark Knecht <markknecht@×××××.com> wrote:

> On Tue, Aug 31, 2010 at 12:07 PM, Mark Knecht <markknecht@×××××.com> > wrote: > > Hi all, > > I have a Mac Mini that I've used for the last couple of years. I > > was trying to get it up to date but at some point it failed with a > > message about the main root partition not being an ext2 filesystem. I > > took the opportunity to rebuild the machine from scratch, at this > > point twice, but I continue to get the same message. I'm trying to > > determine if something about the machine is completely hosed and the > > machine will never work again or if it's just some problem I'm having. > > > > In these rebuiilds I went the direction of completely wiping the > > hard drive and starting from scratch. I used mac-fdisk, hit 'i', had > > only the Apple partition map, and then created the next 3 partitions > > as per the install guide. The installs (both of them) went cleanly and > > I didn't seem to have any problems running yabootconfig as far as I > > can tell. No complaints from the software except for my typing a path > > to the kernel incorrectly a couple of times. Once I got that right it > > seemed to finish and created the yaboot.conf file below. > > > > When I attempt to boot the system finds the kernel, does all the > > early boot stuff, says it finds /dev/hda and /dev/hda, then it starts > > the init stuff with the green '*' and [OK] on the right until it wants > > to mount the root partition. At that point it tells me the partition > > is wrong, not ext2, and quits. > > > > I don't understand how the partition can be incorrect if it's good > > enough to find the kernel to boot. > > > > Can someone set me right on what I might be doing incorrectly here. > > If the info below isn't enough let me know what you need. > > > > Thanks, > > Mark > > > > > > livecd ~ # mac-fdisk /dev/hda > > /dev/hda > > Command (? for help): p > > /dev/hda > > # type name length base > > ( size ) system > > /dev/hda1 Apple_partition_map Apple 63 @ 1 > > ( 31.5k) Partition map > > /dev/hda2 Apple_Bootstrap bootstrap 1600 @ 64 > > (800.0k) NewWorld bootblock > > /dev/hda3 Apple_UNIX_SVR2 swap 2097152 @ 1664 > > ( 1.0G) Linux swap > > /dev/hda4 Apple_UNIX_SVR2 root 154202672 @ > > 2098816 ( 73.5G) Linux native > > > > Block size=512, Number of Blocks=156301488 > > DeviceType=0x0, DeviceId=0x0 > > > > Command (? for help): q > > livecd ~ # > > > > livecd ~ # mount /dev/hda4 /mnt/gentoo/ > > livecd ~ # mount -t proc none /mnt/gentoo/proc > > livecd ~ # mount -o bind /dev /mnt/gentoo/dev > > livecd ~ # chroot /mnt/gentoo /bin/bash > > livecd / # env-update > >>>> Regenerating /etc/ld.so.cache... > > livecd / # source /etc/profile > > livecd / # export PS1="(chroot) $PS1" > > (chroot) livecd / # ls -al /boot/ > > total 5064 > > drwxr-xr-x 2 root root 4096 Aug 28 16:51 . > > drwxr-xr-x 19 root root 4096 Aug 31 10:17 .. > > -rw-r--r-- 1 root root 0 Aug 22 03:50 .keep > > lrwxrwxrwx 1 root root 1 Aug 28 15:23 boot -> . > > -rwxr-xr-x 1 root root 5195929 Aug 31 09:31 kernel-2.6.34-gentoo-r1 > > (chroot) livecd / # > > > > (chroot) livecd / # cat /etc/yaboot.conf > > ## yaboot.conf generated by yabootconfig 1.0.8 > > ## > > ## run: "man yaboot.conf" for details. Do not make changes until you > have!! > > ## > > ## For a dual-boot menu, add one or more of: > > ## bsd=/dev/hdaX, macos=/dev/hdaY, macosx=/dev/hdaZ > > > > boot=/dev/hda2 > > device=/pci@f4000000/ata-6@d/disk@0: > > partition=4 > > root=/dev/hda4 > > timeout=30 > > install=/usr/lib/yaboot/yaboot > > magicboot=/usr/lib/yaboot/ofboot > > > > image=/boot/kernel-2.6.34-gentoo-r1 > > label=Linux > > read-only > > (chroot) livecd / # > > > > The messages on the screen when trying to boot are: > > * Checking root filesystem > ext2fs_check_if_mount: Can't check if filesystem is mounted due to > missing mtab file while determining whether /dev/da4 is mounted. > fsck.ext3: No such file or directory while trying to open /dev/hda4 > /dev/hda4: > The superblock could not be read or does not describe a correct ext2 > filesystem. > <snip> > > * Filesystem couldn't be fixed. :( > > - Mark > >

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