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From: Joe Fox <jwfoxjr@gmail.com>
Date: Tue, 31 Aug 2010 15:17:33 -0400
Message-ID: <AANLkTinWZdujyQzf=TRgGxyfFuYV4sb_pkGDEakh_Hu7@mail.gmail.com>
Subject: Re: [gentoo-ppc-user] Re: New install - Unable to get my ppc Mac Mini
to boot the root partition
To: gentoo-ppc-user@lists.gentoo.org
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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@gmail.com> wrote:
> On Tue, Aug 31, 2010 at 12:07 PM, Mark Knecht <markknecht@gmail.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
>
>
--0016363b9e6e0a8034048f237072
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Mark,<br><br>Can you post your /etc/fstab?=A0 I just want to give it a once=
over.<br><br>Thanks.<br><br clear=3D"all">Joe Fox<br>Systems/Network Admin=
istrator<br><br>Mobile# (716) 846-9308<br><a href=3D"http://twitter.com/JWF=
oxJr">http://twitter.com/JWFoxJr</a><br>
<br><br><div class=3D"gmail_quote">On Tue, Aug 31, 2010 at 3:13 PM, Mark Kn=
echt <span dir=3D"ltr"><<a href=3D"mailto:markknecht@gmail.com">markknec=
ht@gmail.com</a>></span> wrote:<br><blockquote class=3D"gmail_quote" sty=
le=3D"margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204);=
padding-left: 1ex;">
<div><div></div><div class=3D"h5">On Tue, Aug 31, 2010 at 12:07 PM, Mark Kn=
echt <<a href=3D"mailto:markknecht@gmail.com">markknecht@gmail.com</a>&g=
t; wrote:<br>
> Hi all,<br>
> =A0 I have a Mac Mini that I've used for the last couple of years.=
I<br>
> was trying to get it up to date but at some point it failed with a<br>
> message about the main root partition not being an ext2 filesystem. I<=
br>
> took the opportunity to rebuild the machine from scratch, at this<br>
> point twice, but I continue to get the same message. I'm trying to=
<br>
> determine if something about the machine is completely hosed and the<b=
r>
> machine will never work again or if it's just some problem I'm=
having.<br>
><br>
> =A0 In these rebuiilds I went the direction of completely wiping the<b=
r>
> hard drive and starting from scratch. I used mac-fdisk, hit 'i'=
;, had<br>
> only the Apple partition map, and then created the next 3 partitions<b=
r>
> as per the install guide. The installs (both of them) went cleanly and=
<br>
> I didn't seem to have any problems running yabootconfig as far as =
I<br>
> can tell. No complaints from the software except for my typing a path<=
br>
> to the kernel incorrectly a couple of times. Once I got that right it<=
br>
> seemed to finish and created the yaboot.conf file below.<br>
><br>
> =A0 When I attempt to boot the system finds the kernel, does all the<b=
r>
> early boot stuff, says it finds /dev/hda and /dev/hda, then it starts<=
br>
> the init stuff with the green '*' and [OK] on the right until =
it wants<br>
> to mount the root partition. At that point it tells me the partition<b=
r>
> is wrong, not ext2, and quits.<br>
><br>
> =A0 I don't understand how the partition can be incorrect if it=
9;s good<br>
> enough to find the kernel to boot.<br>
><br>
> =A0 Can someone set me right on what I might be doing incorrectly here=
.<br>
> If the info below isn't enough let me know what you need.<br>
><br>
> Thanks,<br>
> Mark<br>
><br>
><br>
> livecd ~ # mac-fdisk /dev/hda<br>
> /dev/hda<br>
> Command (? for help): p<br>
> /dev/hda<br>
> =A0 =A0 =A0 =A0# =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0type name =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0length =A0 base<br>
> =A0 =A0( size ) =A0system<br>
> /dev/hda1 =A0 =A0 Apple_partition_map Apple =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 63 @ 1<br>
> =A0 =A0( 31.5k) =A0Partition map<br>
> /dev/hda2 =A0 =A0 =A0 =A0 Apple_Bootstrap bootstrap =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 1600 @ 64<br>
> =A0 =A0(800.0k) =A0NewWorld bootblock<br>
> /dev/hda3 =A0 =A0 =A0 =A0 Apple_UNIX_SVR2 swap =A0 =A0 =A0 =A0 =A0 =A0=
=A0 =A0 2097152 @ 1664<br>
> =A0 =A0( =A01.0G) =A0Linux swap<br>
> /dev/hda4 =A0 =A0 =A0 =A0 Apple_UNIX_SVR2 root =A0 =A0 =A0 =A0 =A0 =A0=
=A0 154202672 @<br>
> 2098816 =A0 ( 73.5G) =A0Linux native<br>
><br>
> Block size=3D512, Number of Blocks=3D156301488<br>
> DeviceType=3D0x0, DeviceId=3D0x0<br>
><br>
> Command (? for help): q<br>
> livecd ~ #<br>
><br>
> livecd ~ # mount /dev/hda4 /mnt/gentoo/<br>
> livecd ~ # mount -t proc none /mnt/gentoo/proc<br>
> livecd ~ # mount -o bind /dev /mnt/gentoo/dev<br>
> livecd ~ # chroot /mnt/gentoo /bin/bash<br>
> livecd / # env-update<br>
>>>> Regenerating /etc/ld.so.cache...<br>
> livecd / # source /etc/profile<br>
> livecd / # export PS1=3D"(chroot) $PS1"<br>
> (chroot) livecd / # ls -al /boot/<br>
> total 5064<br>
> drwxr-xr-x =A02 root root =A0 =A04096 Aug 28 16:51 .<br>
> drwxr-xr-x 19 root root =A0 =A04096 Aug 31 10:17 ..<br>
> -rw-r--r-- =A01 root root =A0 =A0 =A0 0 Aug 22 03:50 .keep<br>
> lrwxrwxrwx =A01 root root =A0 =A0 =A0 1 Aug 28 15:23 boot -> .<br>
> -rwxr-xr-x =A01 root root 5195929 Aug 31 09:31 kernel-2.6.34-gentoo-r1=
<br>
> (chroot) livecd / #<br>
><br>
> (chroot) livecd / # cat /etc/yaboot.conf<br>
> ## yaboot.conf generated by yabootconfig 1.0.8<br>
> ##<br>
> ## run: "man yaboot.conf" for details. Do not make changes u=
ntil you have!!<br>
> ##<br>
> ## For a dual-boot menu, add one or more of:<br>
> ## bsd=3D/dev/hdaX, macos=3D/dev/hdaY, macosx=3D/dev/hdaZ<br>
><br>
> boot=3D/dev/hda2<br>
> device=3D/pci@f4000000/ata-6@d/disk@0:<br>
> partition=3D4<br>
> root=3D/dev/hda4<br>
> timeout=3D30<br>
> install=3D/usr/lib/yaboot/yaboot<br>
> magicboot=3D/usr/lib/yaboot/ofboot<br>
><br>
> image=3D/boot/kernel-2.6.34-gentoo-r1<br>
> =A0 =A0 =A0 =A0label=3DLinux<br>
> =A0 =A0 =A0 =A0read-only<br>
> (chroot) livecd / #<br>
><br>
<br>
</div></div>The messages on the screen when trying to boot are:<br>
<br>
* Checking root filesystem<br>
ext2fs_check_if_mount: Can't check if filesystem is mounted due to<br>
missing mtab file while determining whether /dev/da4 is mounted.<br>
fsck.ext3: No such file or directory while trying to open /dev/hda4<br>
/dev/hda4:<br>
The superblock could not be read or does not describe a correct ext2<br>
filesystem.<br>
<snip><br>
<br>
* Filesystem couldn't be fixed. :(<br>
<font color=3D"#888888"><br>
- Mark<br>
<br>
</font></blockquote></div><br>
--0016363b9e6e0a8034048f237072--