PowerMac 7300/200 boot problems (current)

Hi, I have just compiled and installed a GENERIC
netbsd-CURRENT kernel and I
am running into problems on boot. The machine, as stated in
the subject is an
original PowerMac 7300/200. I do not have access to a serial
cable for it,
seeings it uses the mini-din style connector; otherwise I
would provide full
boot messages. However, the last line it outputs before it
hangs is:

ofb0: 640 x 480, 8bpp

Then, a newline is outputted, and the cursor sits on the
first column of that
line, and the computer hangs.

I hope that was a descriptive enough report, if anyone
decides to help me and
needs more info I will be happy to give it.

-- 
Sampson C. Stein
b1tt3r -- You know.. like sugar?

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Hash: SHA1

Hello,

On Jul 16, 2007, at 05:39, Sampson Stein wrote:

> Hi, I have just compiled and installed a GENERIC
netbsd-CURRENT kernel 
> and I
> am running into problems on boot. The machine, as
stated in the 
> subject is an
> original PowerMac 7300/200. I do not have access to a
serial cable for 
> it,
> seeings it uses the mini-din style connector; otherwise
I would 
> provide full
> boot messages. However, the last line it outputs before
it hangs is:
>
> ofb0: 640 x 480, 8bpp
>
> Then, a newline is outputted, and the cursor sits on
the first column 
> of that
> line, and the computer hangs.
>
> I hope that was a descriptive enough report, if anyone
decides to help 
> me and
> needs more info I will be happy to give it.

Hrm, that machine has /chaos/control hardware, doesn't it?
I thought I fixed that. So the lower half of ofb finds the
framebuffer 
just fine ( or you wouldn't see any output at all ) but it
doesn't make 
it to the upper half ( which attaches to PCI ) for some
reason. 
Strange, but should be pretty easy to fix, I'll look at it
in a minute.

have fun
Michael
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Thanks man, like I said.. if theres anything I can do to
help at all I will.

+++ Michael Lorenz [16/07/07 09:40 -0400]:
>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>Hello,
>
>On Jul 16, 2007, at 05:39, Sampson Stein wrote:
>
>>Hi, I have just compiled and installed a GENERIC
netbsd-CURRENT kernel 
>>and I
>>am running into problems on boot. The machine, as
stated in the 
>>subject is an
>>original PowerMac 7300/200. I do not have access to
a serial cable for 
>>it,
>>seeings it uses the mini-din style connector;
otherwise I would 
>>provide full
>>boot messages. However, the last line it outputs
before it hangs is:
>>
>>ofb0: 640 x 480, 8bpp
>>
>>Then, a newline is outputted, and the cursor sits on
the first column 
>>of that
>>line, and the computer hangs.
>>
>>I hope that was a descriptive enough report, if
anyone decides to help 
>>me and
>>needs more info I will be happy to give it.
>
>Hrm, that machine has /chaos/control hardware, doesn't
it?
>I thought I fixed that. So the lower half of ofb finds
the framebuffer 
>just fine ( or you wouldn't see any output at all ) but
it doesn't make 
>it to the upper half ( which attaches to PCI ) for some
reason. 
>Strange, but should be pretty easy to fix, I'll look at
it in a minute.
>
>have fun
>Michael
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>

-- 
Sampson C. Stein
b1tt3r -- You know.. like sugar?

"He could be a poster child for retroactive birth
control."

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Hash: SHA1

Hello,

On Jul 16, 2007, at 15:51, Sampson Stein wrote:

> Thanks man, like I said.. if theres anything I can do
to help at all I 
> will.

That was a stupid typo I made ages ago which only bites if
the display 
device has no 'address' property. Fix is committed, sorry
about that.

have fun
Michael

> +++ Michael Lorenz [16/07/07 09:40 -0400]:

>> Hello,
>>
>> On Jul 16, 2007, at 05:39, Sampson Stein wrote:
>>
>>> Hi, I have just compiled and installed a
GENERIC netbsd-CURRENT 
>>> kernel and I
>>> am running into problems on boot. The machine,
as stated in the 
>>> subject is an
>>> original PowerMac 7300/200. I do not have
access to a serial cable 
>>> for it,
>>> seeings it uses the mini-din style connector;
otherwise I would 
>>> provide full
>>> boot messages. However, the last line it
outputs before it hangs is:
>>>
>>> ofb0: 640 x 480, 8bpp
>>>
>>> Then, a newline is outputted, and the cursor
sits on the first 
>>> column of that
>>> line, and the computer hangs.
>>>
>>> I hope that was a descriptive enough report, if
anyone decides to 
>>> help me and
>>> needs more info I will be happy to give it.
>>
>> Hrm, that machine has /chaos/control hardware,
doesn't it?
>> I thought I fixed that. So the lower half of ofb
finds the 
>> framebuffer just fine ( or you wouldn't see any
output at all ) but 
>> it doesn't make it to the upper half ( which
attaches to PCI ) for 
>> some reason. Strange, but should be pretty easy to
fix, I'll look at 
>> it in a minute.
>>
>> have fun
>> Michael
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Thanks a lot! I'll try it when I get off work, now just to
figure out what I
can do with that old clunker. xD
+++ Michael Lorenz [16/07/07 18:20 -0400]:
>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>Hello,
>
>On Jul 16, 2007, at 15:51, Sampson Stein wrote:
>
>>Thanks man, like I said.. if theres anything I can
do to help at all I 
>>will.
>
>That was a stupid typo I made ages ago which only bites
if the display 
>device has no 'address' property. Fix is committed,
sorry about that.
>
>have fun
>Michael
>
>>+++ Michael Lorenz [16/07/07 09:40 -0400]:
>
>>>Hello,
>>>
>>>On Jul 16, 2007, at 05:39, Sampson Stein wrote:
>>>
>>>>Hi, I have just compiled and installed a
GENERIC netbsd-CURRENT 
>>>>kernel and I
>>>>am running into problems on boot. The
machine, as stated in the 
>>>>subject is an
>>>>original PowerMac 7300/200. I do not have
access to a serial cable 
>>>>for it,
>>>>seeings it uses the mini-din style
connector; otherwise I would 
>>>>provide full
>>>>boot messages. However, the last line it
outputs before it hangs is:
>>>>
>>>>ofb0: 640 x 480, 8bpp
>>>>
>>>>Then, a newline is outputted, and the cursor
sits on the first 
>>>>column of that
>>>>line, and the computer hangs.
>>>>
>>>>I hope that was a descriptive enough report,
if anyone decides to 
>>>>help me and
>>>>needs more info I will be happy to give it.
>>>
>>>Hrm, that machine has /chaos/control hardware,
doesn't it?
>>>I thought I fixed that. So the lower half of ofb
finds the 
>>>framebuffer just fine ( or you wouldn't see any
output at all ) but 
>>>it doesn't make it to the upper half ( which
attaches to PCI ) for 
>>>some reason. Strange, but should be pretty easy
to fix, I'll look at 
>>>it in a minute.
>>>
>>>have fun
>>>Michael
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-- 
Sampson C. Stein
b1tt3r -- You know.. like sugar?

Jesus was killed by a Moral Majority.

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Hash: SHA1

Hello,

On Jul 16, 2007, at 18:42, Sampson Stein wrote:

> Thanks a lot! I'll try it when I get off work, now just
to figure out 
> what I
> can do with that old clunker. xD

Depends - the onboard graphics chip sucks but you can always
get a PCI 
graphics board with the right firmware ( PCI Voodoo3s can be
flashed 
with freely available Mac firmware for instance ), the CPU
can be 
upgraded ( even a 300MHz G3 with 1MB cache isn't all that
slow ) and 
the machine can take up to 1GB RAM. OHCI cards go for about
$10 these 
days.
More modern desktops like KDE3 aren't all that CPU hungry, a
300MHz G3 
is fine, even for most of the eye candy - they only want a
lot of RAM.

have fun
Michael
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I have an ATI Mach64 PCI video card, it doesnt seem to see
it from
openfirmware, but when I boot with -CURRENT, there is a
machfb IIRC, does
that mean I can use it?

+++ Michael Lorenz [freebsd] [16/07/07 20:37 -0400]:
>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>Hello,
>
>On Jul 16, 2007, at 18:42, Sampson Stein wrote:
>
>>Thanks a lot! I'll try it when I get off work, now
just to figure out 
>>what I
>>can do with that old clunker. xD
>
>Depends - the onboard graphics chip sucks but you can
always get a PCI 
>graphics board with the right firmware ( PCI Voodoo3s
can be flashed 
>with freely available Mac firmware for instance ), the
CPU can be 
>upgraded ( even a 300MHz G3 with 1MB cache isn't all
that slow ) and 
>the machine can take up to 1GB RAM. OHCI cards go for
about $10 these 
>days.
>More modern desktops like KDE3 aren't all that CPU
hungry, a 300MHz G3 
>is fine, even for most of the eye candy - they only want
a lot of RAM.
>
>have fun
>Michael
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>=Jkel
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-- 
Sampson C. Stein
b1tt3r -- You know.. like sugar?

Why is it that there are so many more horses' asses than
there are
horses?
		-- G. Gordon Liddy

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Hash: SHA1

Hello,

On Jul 16, 2007, at 21:12, Sampson Stein wrote:

> I have an ATI Mach64 PCI video card, it doesnt seem to
see it from
> openfirmware, but when I boot with -CURRENT, there is a
machfb IIRC, 
> does
> that mean I can use it?

Maybe, if it has an OF ROM it's likely you can use it.
Machfb supports 
most mach64, notable exceptions are ancient ones ( which map
only one 
BAR, no idea what exactly is wrong there since these cards
seem to be 
pretty rare and I don't have one. Those were retroactively
renamed to 
Mach64 before ATI came up with the Rage name, the number on
the chip 
would be something like 88xxx and it would have 2MB VRAM or
less ), 
some mobile variants ( Rage LT ) and some Rage XL ( again,
no idea 
what's wrong - no hardware ). If yours is a (3D) Rage I, II
or Pro it 
should Just Work. If the card works in MacOS then we'll
likely be able 
to use it, either with machfb ( exceptions above ) or ofb
for the rest.
OpenFirmware should see the card - there should be an entry
named 
ATY,Mach64 or something similar under /bandit. Let
output-device point 
at it and OF should wake up with console on the ATI card.

have fun
Michael

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Hello,

On Jul 16, 2007, at 21:16, Sampson Stein wrote:

> I'm mostly a PC user as well, so I dont have any 5v
DIMMS, and I'm sure
> they're quite expensive. this was just something to
mess with.

Depends, those modules sometimes show up on ebay or your
local flea 
market for cheap. IBM and others used them as well - what
you need are 
unbuffered 5v Fast Page DIMMs.

have fun
Michael
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> I'm mostly a PC user as well, so I dont have any 5v
DIMMS, and I'm sure
> they're quite expensive. this was just something to
mess with.

http
://cgi.ebay.com/128MB-Apple-Powermac-168-pin-FPM-5V-Buffered
-DIMM-4K_W0QQitemZ180134880033QQcmdZViewItem

(just an example)

These machines make excellent, reliable servers. Make sure
the motherboard 
battery is pretty new, or replace it with a battery holder
with two AA or 
AAA batteries. With that, the machine will last forever.

John Klos