1 |
On Fri, Sep 3, 2010 at 3:48 PM, Mark Knecht <markknecht@×××××.com> wrote: |
2 |
> On Fri, Sep 3, 2010 at 2:42 PM, Enlightened User <linux@×××××.com> wrote: |
3 |
>> http://www.debian.org/ports/powerpc/inst/yaboot-howto/ch9.en.html |
4 |
>> Sections 9.2 and 9.3 show how to boot to the yaboot 'boot:' prompt and start |
5 |
>> the kernel with parameters. |
6 |
>> Hope that helps you get started. |
7 |
>> If you do change the yaboot.conf file don't forget to run ybin to update the |
8 |
>> boot partition. I would suggest increasing delay and timeout values (section |
9 |
>> 6.6 of the previous web document) so the default image is not automatically |
10 |
>> loaded so quickly. You should then be able to enter something like: |
11 |
>> hd:4,/vmlinux root=/dev/sda4 ro |
12 |
>> at the boot: prompt. |
13 |
>> Another thought would be to remove SCSI support from your kernel build, |
14 |
>> unless you have a mac mini with an SCSI interface, you should not need SCSI |
15 |
>> support. That should not require any changes to the yaboot configuration you |
16 |
>> are currently using. |
17 |
>> Barry |
18 |
>> |
19 |
> |
20 |
> Thanks for the info. |
21 |
> |
22 |
> OK - as a test I'm going a very different direction. As there is a |
23 |
> prebuilt Ubuntu PowerPC version I've just written a CD and it boots |
24 |
> fine. I'm right now in the process of letting it blow away my |
25 |
> non-functional Gentoo install and install Ubuntu. If that boots then I |
26 |
> can see what they did and redo Gentoo later with that knowledge. |
27 |
> |
28 |
> As for using Gentoo on this box I'm not sure it's really worth it any |
29 |
> more. My main machines now are all x86_64 - as is probably true for |
30 |
> most people - but fast ones - an i5-661, i7-920 and an i7-980x where I |
31 |
> run 5 copies of Windows 7 at the same time in different VMWare jails. |
32 |
> I found I wasn't updating this old Mac Mini because it was too slow |
33 |
> and took too much of what I call 'Gentoo effort'. If I can find a |
34 |
> prepackaged version of MythTV for this machine then likely I'd be |
35 |
> better off just to run Ubuntu. I don't really need performance for a |
36 |
> MythTV backend server. |
37 |
> |
38 |
> Anyway, I'll report back more when I know more. |
39 |
> |
40 |
> Thanks! |
41 |
> |
42 |
> Cheers, |
43 |
> Mark |
44 |
> |
45 |
|
46 |
So the Ubuntu install came up running. Boots fine, logs in OK. Dosn't |
47 |
look like they ackage the MythTV backend for PowerPC so I need to |
48 |
figure out how they did it and then get Gentoo working again. |
49 |
|
50 |
HEre is yaboot.conf and fstab. |
51 |
|
52 |
mark@MacMini:~$ cat /etc/yaboot.conf |
53 |
## yaboot.conf generated by the Ubuntu installer |
54 |
## |
55 |
## run: "man yaboot.conf" for details. Do not make changes until you have!! |
56 |
## see also: /usr/share/doc/yaboot/examples for example configurations. |
57 |
## |
58 |
## For a dual-boot menu, add one or more of: |
59 |
## bsd=/dev/hdaX, macos=/dev/hdaY, macosx=/dev/hdaZ |
60 |
|
61 |
boot=/dev/hda2 |
62 |
device=/pci@f4000000/ata-6@d/disk@0: |
63 |
partition=3 |
64 |
root=/dev/hda3 |
65 |
timeout=50 |
66 |
install=/usr/lib/yaboot/yaboot |
67 |
magicboot=/usr/lib/yaboot/ofboot |
68 |
enablecdboot |
69 |
|
70 |
image=/boot/vmlinux |
71 |
label=Linux |
72 |
read-only |
73 |
initrd=/boot/initrd.img |
74 |
append="quiet splash" |
75 |
|
76 |
image=/boot/vmlinux.old |
77 |
label=old |
78 |
read-only |
79 |
initrd=/boot/initrd.img.old |
80 |
append="quiet splash" |
81 |
mark@MacMini:~$ |
82 |
|
83 |
# /etc/fstab: static file system information. |
84 |
# |
85 |
# Use 'blkid -o value -s UUID' to print the universally unique identifier |
86 |
# for a device; this may be used with UUID= as a more robust way to name |
87 |
# devices that works even if disks are added and removed. See fstab(5). |
88 |
# |
89 |
# <file system> <mount point> <type> <options> <dump> <pass> |
90 |
proc /proc proc nodev,noexec,nosuid 0 0 |
91 |
/dev/hda3 / ext4 errors=remount-ro 0 1 |
92 |
/dev/hda4 none swap sw 0 0 |
93 |
mark@MacMini:~$ |
94 |
|
95 |
|
96 |
So, whatever was wrong with my Gentoo install it wasn't apparently hda vs sda... |
97 |
|
98 |
Ubuntu sure seems weird. No root password? Everything done through |
99 |
sudo? Strange... I'm sure I just don't understand after so many years |
100 |
running Gentoo. |
101 |
|
102 |
- Mark |