[gentoo-ppc-user] mac-fdisk: Can't read block 0 from file (Is a directory)

[Michael Hanna]

When I try:

mac-fdisk /dev/scsi/host1/bus0/target6/lun0

I get:

mac-fdisk: Can't read block 0 from file  (Is a directory)

just thought you may have seen this before


On 16-Feb-04, at 10:38 AM, Michael Stilson Jr. wrote:

> hmmm...
>
> The drives I have are IDE...I'll poke around though and see if I can
> dig anything up...
>
> - michael
>
> On Monday, February 16, 2004, at 10:32 AM, Michael Hanna wrote:
>
>> :)
>>
>> Thanks for the advice. I'm actually stuck at the point where I need
>> to mac-fdisk the SCSI HD. I can't seem to determine the /dev location
>> of it. If I go dmesg|more I don't get very useful information on the
>> SCSI bus. It has reported /dev/sdb with other kernels but there's no
>> /dev/sdb so when I try that, it says there's no such entry.
>>
>> I've also tried
>>
>> mac-fdisk /dev/scsi/host1/bus0/target6/lun0
>>
>> this has also failed. Any ideas on how I can get the device address
>> of the scsi HD at ID 6?
>>
>> On 16-Feb-04, at 9:11 AM, Michael Stilson Jr. wrote:
>>
>>> Hey,
>>>
>>> I used ext3 for my Linux partitions, well except for swap,
>>> obviously. You can get at those filesystems via OS X, but will have
>>> to emerge atalkd on the gentoo Mac and configure it for AppleTalk
>>> file sharing.
>>>
>>> You don't need a bootstrap. That's for New World machines.
>>>
>>> You can also mount your OS 9 partition using the type "hfsplus". So
>>> you can copy the Linux kernel and such you build during install over
>>> to System Folder:Linux Kernels.
>>>
>>> And, yes, you may buy me beer.
>>>
>>> : )
>>>
>>> - michael
>>>
>>>
>>> On Friday, February 13, 2004, at 03:59 PM, Michael Hanna wrote:
>>>
>>>> What filesystem did you use and which partitions did you make? I'm
>>>> not sure if I need a bootstrap or not.
>>>>
>>>> I'm thinking of using ext3, but can I still access the files on the
>>>> ext3 hard disk via appletalk from other OS X-based macs on the
>>>> network?
>>>>
>>>> Michael
>>>>
>>>> On 12-Feb-04, at 5:07 PM, Michael Stilson Jr. wrote:
>>>>
>>>>> Hey Michael,
>>>>>
>>>>> My apologies for the delayed response...
>>>>>
>>>>> I believe I have finally reconstructed how I set up gentoo on this
>>>>> "pizza box" Mac I got here...
>>>>>
>>>>> OK, first, I started up into Mac OS, after installing BootX, and I
>>>>> created a folder in my "System Folder" called "Linux Kernels".
>>>>> Then I copied all of the files (no folders) in the root of the
>>>>> LiveCD to the "Linux Kernels" folder.
>>>>>
>>>>> Rebooted.
>>>>>
>>>>> BootX pops up...now for the nitty gritty...check this page out:
>>>>> http://www.gentoo.org/doc/en/gentoo-ppc-install.xml
>>>>>
>>>>> Specifically, the content under the heading "CD flavor: kde/gnome
>>>>> livecd ", second paragraph...and also "2. Booting"
>>>>>
>>>>> BootX should have automatically found vmlinux in the "Linux
>>>>> Kernels" folder. What you need to do next is specify and initrd
>>>>> image under the "Options..." button. You can use the one that is
>>>>> in the "Linux Kernels" folder. Make sure you set the initial size
>>>>> to  11000.
>>>>>
>>>>> In the field for "Root device:", type the text "ram". Check the
>>>>> box that says "No video driver" and then put the following text in
>>>>> the "More kernel arguments" field:
>>>>>
>>>>> init=/linuxrc
>>>>>
>>>>> Optionally, you can click "Save to prefs" and then click the Linux
>>>>> button.
>>>>>
>>>>> After that you should be good to go and you should see your box
>>>>> booting Linux for the first time.
>>>>>
>>>>> Hope this helps. Good luck!
>>>>>
>>>>> - michael
>>>>>
>>>>> On Thursday, February 5, 2004, at 11:53 PM, Michael Hanna wrote:
>>>>>
>>>>>> I need to find the device address of my SCSI CD-ROM ..OK... I
>>>>>> need help decoding the output of various kernels..
>>>>>>
>>>>>> yellow dog linux 2.6:
>>>>>> http://sandcastle.cosc.brocku.ca/~mh99ao/P1010002.JPG
>>>>>>
>>>>>> I have tried /dev/scsi/host1/bus0/target6/lun0 in BootX and it
>>>>>> didn't boot gentoo from the liveCD
>>>>>>
>>>>>> linux-bk 2.4:
>>>>>> http://sandcastle.cosc.brocku.ca/~mh99ao/P1010003.JPG
>>>>>>
>>>>>> linux-bk 2.2:
>>>>>> http://sandcastle.cosc.brocku.ca/~mh99ao/P1010004.JPG
>>>>>>
>>>>>>
>>>>>> any ideas of what my scsi cd-rom could be?
>>>>>>
>>>>>> Michael
>>>>>>
>>>>>> On 3-Feb-04, at 12:43 PM, Michael Stilson Jr. wrote:
>>>>>>
>>>>>>> Hey Michael,
>>>>>>>
>>>>>>> I am thinking that /dev/sda3 would mean you are looking to
>>>>>>> utilize "s"CSI "d"evice "a", partition "3".
>>>>>>>
>>>>>>> >From my experience with hard drives, the first SCSI device is
>>>>>>> usually mounted on /dev/sda, the second on /dev/sdb, etc.
>>>>>>>
>>>>>>> Not sure if this tangent I am going off on is logical...but I am
>>>>>>> thinking that SCSI cd rom on bus ID 3, would equate to
>>>>>>> /dev/sdc...maybe? Or if it is the only SCSI device on the
>>>>>>> system, it might just be /dev/sda.
>>>>>>>
>>>>>>> Hope this helps. I have no hardware to test my hypothesis, sorry.
>>>>>>>
>>>>>>> Good luck,
>>>>>>>
>>>>>>> - michael
>>>>>>>
>>>>>>> On Tuesday, February 3, 2004, at 08:34 AM, Michael Hanna wrote:
>>>>>>>
>>>>>>>> Hi I'm trying to boot from the livecd-ppc-grp-1.4-cd1.iso that
>>>>>>>> I burned to a disc. It's in SCSI CD-ROM drive on the main SCSI
>>>>>>>> bus on ID 3.
>>>>>>>>
>>>>>>>> In bootX I need to put in a /dev/<id> parameter. I don't know
>>>>>>>> what this parameter is, so how do I find out?
>>>>>>>>
>>>>>>>> I've looked through the output of bootup procedure and I've
>>>>>>>> tried various codes such as sda3, scsi1 but to no avail.
>>>>>>>>
>>>>>>>> The bootup procedure gives me an error saying can't find device
>>>>>>>> "" or "<erroneous id here>" and root="" so will reboot in 180
>>>>>>>> seconds...I think I'm not able to enter any commands...
>>>>>>>>
>>>>>>>> Michael
>>>>>>>
>>>>>
>>>>>