Ubuntu/Kubuntu on Mac G5.
RoadTripDK at MyRealBox.Com
Wed Jan 25 08:43:51 UTC 2006
On 25. jan 2006, at 5.52, Bob Nielsen wrote:
> Just a wild thought: Did you run yabin after configure yaboot.conf?
> On Jan 24, 2006, at 8:38 PM, Larry Grover wrote:
>> Brian Durant wrote:
>>> On 24. jan 2006, at 13.49, Larry Grover wrote:
>>>> Brian Durant wrote:
>>>>> On 24. jan 2006, at 3.35, Larry Grover wrote:
>>>>>> I'm not sure why OSX won't boot, but perhaps it is related to
>>>>>> the problem in setting the correct open firmware device name?
>>>>> Wow Larry, I am impressed:-) Well OK, fairly impressed. Now I
>>>>> can boot into Ubuntu, but OS X is still a no go. Yaboot
>>>>> simply can't load OS X. it tries, and the screen flickers,
>>>>> but nothing happens. After three tries, it says something
>>>>> like booting "Mac OS X..." and nothing works, so I have to do
>>>>> a hard reboot.
>>>> Whew! Well it sounds like half your problem is sorted.
>>>> I'm quite puzzled by why OSX won't boot. I know you've posted
>>>> this before, but would you mind posting the following, from
>>>> inside Ubuntu after you boot from your hard drive using yaboot:
>>>> (1) the output from "fdisk -l" /dev/sdb (your OSX system disk)
>>> # type name length
>>> base ( size ) system
>>> /dev/sdb1 Apple_partition_map Apple 63 @
>>> 1 ( 31.5k) Partition map
>>> /dev/sdb2 Apple_Free 262144 @
>>> 64 (128.0M) Free space
>>> /dev/sdb3 Apple_HFS Untitled 319910838 @
>>> 262208 (152.5G) HFS
>>> /dev/sdb4 Apple_Free 10 @
>>> 320173046 ( 5.0k) Free space
>>> Block size=512, Number of Blocks=320173056
>>> DeviceType=0x0, DeviceId=0x0
>>>> (2) the contents of your /etc/yaboot.conf file
>>> ## yaboot.conf generated by the Ubuntu installer
>>> ## run: "man yaboot.conf" for details. Do not make changes until you
>>> ## have!!
>>> ## see also: /usr/share/doc/yaboot/examples for example
>>> ## For a dual-boot menu, add one or more of:
>>> ## bsd=/dev/hdaX, macos=/dev/hdaY, macosx=/dev/hdaZ
>>> device=/ht at 0,f2000000/pci at 3/k2-sata-root at c/k2-sata at 0/disk at 0:
>>> # to boot OSX by default
>>> # to boot linux by default, change to defaultos=linux
>>> append="quiet splash"
>>> append="quiet splash"
>> Well, this looks correct to me. The output from the fdisk command
>> indicates that your OSX system is on sdb3, and the linke "macosx=/
>> dev/sdb3" in your yaboot.conf file should be correct.
>> Re-reading the yaboot.conf man page, it says that the line
>> beginning "macosx=" should give the open firmware or unix device
>> path to the OSX boot partition. Perhaps yaboot is having trouble
>> understanding the unix path? What happens if you find the open
>> firmware path from:
>> ofpath /dev/sdb3
>> and try substituting it into the line which begins "macosx="?
>>>>> Any ideas will be appreciated. I am glad Ubuntu can boot, but
>>>>> I need to be able to boot both OS's and unplugging the hard
>>>>> drive every time I switch OS can't be an option.
>>>> Right, this is not a long-term solution. I think there is
>>>> something you can do in the interim, while you finish sorting
>>>> out the problem with yaboot and OSX.
>>>> If you hold down the "option" key while you are booting your
>>>> machine (start holding it down immediately after you power-on
>>>> the machine or immediately after you start to reboot, and
>>>> continue holding it down) you should get a graphical window
>>>> showing you icons for all the bootable devices connected to
>>>> your system (I think this is generated by OpenFirmware). It
>>>> should show you icons for both hard drives. You can use the
>>>> mouse to select your OSX or your Ubuntu drive, for booting.
>>> The thing is that still being newbieish to both Linux and OS X,
>>> I don't fully understand this. Here is what I know:
>>> 1) I can boot into the Ubuntu HD with both drives connected.
>>> 2) Holding down the command-option-o-f keys all together after
>>> pressing the power-on button does not bring up an OF prompt. If
>>> I choose "L" for the Ubuntu partition, the OF prompt will show
>>> up before Ubuntu is booted.
>>> 3) I can't bring up the graphic OF interface. I thought it was
>>> just "o" as well, but that doesn't work. The info you linked to
>>> suggests that I could get a graphical interface by holding down
>>> only the option key at boot up.
>> Let me make sure I understand you. Is the following correct?
>> (1) with both drives connected, you can boot into Ubuntu using the
>> yaboot prompts?
>> (2) with both drives connected, you can not boot into OSX using
>> (3) if you boot with with "option" key held down, and boot drives
>> connected, you can select either ubuntu or OSX (your next email
>> seemed to indicate this is true)?
>> Can you clarify what happens when you boot/power-on with the
>> command-option-o-f key combination pressed? Are you sure you are
>> getting the keys held down soon enough and that you are holding
>> them down long enough (it's a rather awkward fingering and you may
>> need to hold it for longer than you think). Anyway, unless you
>> really know what you're doing, open firmware is an unfriendly
I believe you are thinking of ybin, and yes I did run it.
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