Current report is as follows...
Changing the Fireball from id 1 to 0 made Mac OS boot from the device
so I can get into BootX. I tried to rewrite the partition table with
fdisk again, and this time got:
Kernel panic: Exception in kernel pc c0205a90 signal 4
Rebooting in 180 seconds
Has this problem got anything to do with the disagreement between the
kernel and fdisk over the number of blocks on the drive?
The kernel (on startup) always reports that the drive has one more
block than fdisk does. I decided to believe the lower count... I will
try again with the higher, but would really appreciate some help here
(I'm a stuck newbie!)
No joke, I have been trying for 3 months to get Debian on my Mac...
When I keep the Apple partition map and driver partitions I get SCSI
errors all the time which end up eating my system (as stuff goes to
lost+found).
Without, I cannot even write the partition table.
The drive is ok under mac OS. I have checked for errors a million and
one times.
Bruce McIntyre wrote:
I am continuing to have frustration with my internal hard disk (7300,
Quantum Fireball 2.1) I decided to this time mash Apple OS
altogether, and so gave mac-fdisk the 'i' command to write a new
patition map. I was suspecting that the apple patch and driver 43
patitions were causing the scsi error 80000000 that I was getting
with my previous installs. The initialisation went fine (fdisk
prompts you to enter the block size of the disk, which I got from
first giving it the 'p' command---it returns a size 1 block less than
that given by dmesg). I wrote in some partitions. 32M Root, 32M swap,
100M var, 500M home and the rest usr. when I gave mac-fdisk the 'w'
command (to write the new patition table) it freaked out and gave me
something like (copied by hand from screen):
Kernel access of bad area pc c0206808 lr c0205a70 address 4 task
mac-fdisk 44
it then panicked and all consoles froze as it attempted reboot (which
never eventuated).
Now I cannot reinstall a working Mac system on the disk to start the
debian tranistion--- it formats ok with the apple Drive Setup
utillity, but refuses to make the disk bootable with the startup disk
control panel (system writes to it ok in the install program).
while the startup control panel indicates it is the boot disk, at
boot i dont get anything, only grey... not even the disk icon.
to boot again from cd, i have to erase the pram, and then reboot with
c and d held down. after a minute or two of indecision it boots, and
mounts the drive fine, with the system on it and still indicating
that it is the boot disk.
The drive is on the mesh bus at id 1. (I have been trying different
ids to get debian without scsi errors to no avail)
Is my computer cursed?
Probably not.
I have a 7300 and it's a good machine, but it's hard drive is
starting to go bad
on one sector. I'm going to have to get a new drive. You might
try that too.
Would love to but am starving musician! (I have checked out the
sectors with 3 different progs: they _seem_ fine)
Here's some other things to try:
Remove and reinstall the memory modules and cpu board
the potential for me breaking it worse is huge here...
Unplug each connector and reinstall them; like the scsi cables, power cables,
etc)
Have done with scsi--- strange thing is that the drive is always
found and usable when booting from cd.... I don't think it's a
simple intermittent problem (contradiction in terms?!) perhaps open
firmware is not looking on mace at id 1 for boot (is that id
reserved for external bus or somthing wierd like that ? I'm going to
put the drive back on 0 (time to get screwdriver) and i'll report on
progress again.
Check the power output of the power supply with a voltage meter (buy a power
extender and cut and strip the cable to attach the meter clips) Sorry, don't
know which wires to check...
Kicking it a couple times might help... ;)
didn't someone make a cushion in the shape of a mac plus for that
purpose once :-)
Hope this helps,
Mike
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