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Re: G4 MacMini network boot of install media failing at system clock set



OK, Mathieu asked me off-list about whether my USB key was HFS formatted, and I finally clicked! 

I had been doing dd ... of=/dev/sda1 whereas I should have been doing it to /dev/sda

This of course makes all the difference, OpenFirmware was seeing a DOS-style partition scheme and getting confused. So I have now successfully installed Debian Jessie to my Mac Mini. 

I must say I'm kicking myself now... I knew this.  

(OTOH, maybe the docs should remind people? I'm not the only stupid one...) 

Mathieu says I should report the the OpenFirmware version, which I will do once I reboot... unless I can find it while in Linux somehow? 

The resolution is low, so everything's huge, but I'm sure I can make that better somehow... 

thanks again, 

-arc. 

 
> 
>
> 
>
>Thanks to those who responded. 
> 
>boot usb1/disk:,\install\yaboot
> 
>gets me a
> 
>Warning: Sector Size Mismatch! can't OPEN boot usb1/disk:,\install\yaboot
> 
>message, which is what has happened before.  
> 
>I did get further with the installer from the network boot! It got up to 'detecting hardware please wait' and then stopped at 0%. 
> 
>I thought this was because I had put  
> 
>append="radeon.agpmode=-1 modprobe.blacklist=ams"
> 
>as suggested here: https://wiki.debian.org/PowerPC/FAQ#How_do_I_get_graphics_working.3F
> 
>in yaboot.conf, but I tried it a second time and got the old behaviour of stopping at rtc-generic.
> 
>That's quite mysterious.  The only thing I can think of is that OF seemed to hang when i tried accessing one of the USB devices, and this managed to boot immediately afterwards.  Maybe that reset something? 
> 
>I don't have a firewire CD-ROM. 
> 
>I do however have a firewire hard-drive enclosure somewhere.  What would I need to do to boot off that?  Make an HFS partition or something? 
> 
>-arc. 
> 
> 
>
> 
>
>If your G4 mini is having trouble with the internal hard-drive, you might try installing to an external FireWire hard drive. Booting from FireWire is a supported feature of the NewWorld Mac OpenFirmware. While booting from USB is possible with some models, it’s not as well supported.
>
>My G4 minis (I have 3) all have, at one time or another, booted from a FireWire external. But YMMV, of course.
>
>Also, if you suspect the problem is with the internal HD itself (i.e. not a problem with the motherboard), it’s not too difficult to replace it with an SSD, which would make the G4 mini a bit more responsive.
>
>Good luck on getting it running. They are great little machines!
>
>Rick
>
>
>On Apr 26, 2016, at 9:04 AM, Milan Kupcevic <milan@debian.org> wrote:
>
>> On 04/26/2016 05:53 AM, arc@vorsicht-bissig.de wrote:
>>> Hi folks,
>>>
>>> I have been trying to resurrect my MacMini.
>>>
>>
>> Is your internal CD/DVD broken?
>>
>> People had success installing from an external firewire CD/DVD drive
>> and/or from a memory stick containing raw debian installer iso as is
>> described in this message:
>>
>> https://lists.debian.org/debian-powerpc/2012/08/msg00041.html[https://lists.debian.org/debian-powerpc/2012/08/msg00041.html]
>>
>> You could also try to connect an external USB CD/DVD drive and try to
>> boot the machine using the same commands as is instructed for raw iso
>> memory stick in the mentioned message.
>>
>> Let us know if this works for you with current Debian install media.
>>
>>
>> Milan
>>
>>
> 


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