Re: d-i: 4.3. Preparing Files for USB Memory Stick Booting
On Wed, Apr 20, 2016 at 2:33 PM, Mathieu Malaterre <malat@debian.org> wrote:
> On Wed, Apr 20, 2016 at 2:29 PM, Lennart Sorensen
> <lsorense@csclub.uwaterloo.ca> wrote:
>> On Wed, Apr 20, 2016 at 08:36:22AM +0200, Mathieu Malaterre wrote:
>>> Hi,
>>>
>>> On Tue, Apr 19, 2016 at 6:53 PM, Lennart Sorensen
>>> <lsorense@csclub.uwaterloo.ca> wrote:
>>> > On Tue, Apr 19, 2016 at 12:16:27PM +0200, Mathieu Malaterre wrote:
>>> >> Does anyone knows what happen to section:
>>> >>
>>> >> 4.3. Preparing Files for USB Memory Stick Booting
>>> >>
>>> >> in the powerpc install guide ?
>>> >>
>>> >> I see it alright from here:
>>> >>
>>> >> https://www.debian.org/releases/stable/amd64/ch04.html.en
>>> >
>>> > Well that's x86_64 so totally different thing.
>>> >
>>> >> but not from here:
>>> >>
>>> >> https://www.debian.org/releases/stable/powerpc/ch04.html.en
>>> >>
>>> >> AFAIK USB booting works from powerpc system (at least some that I tried).
>>> >>
>>> >> Also I see reference to powerpc in the raw XML file:
>>> >>
>>> >> http://anonscm.debian.org/viewvc/d-i/trunk/manual/en/install-methods/boot-usb-files.xml?view=markup
>>> >>
>>> >> Comments ?
>>> >
>>> > You could try to follow the older instructions and it might work:
>>> >
>>> > https://www.debian.org/releases/etch/powerpc/ch05s01.html.en
>>> >
>>> > Section 5.1.3 says newworld mac booting from USB. It has to be done
>>> > manually from openfirmware though, so it is probably the most complicated
>>> > boot method there is.
>>> >
>>> > It also had a warning that it might not work. Maybe it was removed from
>>> > newer release's documentation for a reason.
>>>
>>> That was precisely my point: why did it got removed ? And if so why is
>>> the upstream (raw) XML still referencing the USB boot mechanism for
>>> powerpc ?
>>>
>>> > The instructions from Ubuntu might work too:
>>> > https://wiki.ubuntu.com/PowerPCFAQ#How_do_I_boot_from_a_USB_drive.3F
>>>
>>> Neat it contains some more extra information I was not aware, thanks !
>>>
>>> I did follow:
>>>
>>> https://lists.debian.org/debian-powerpc/2012/08/msg00042.html
>>>
>>> and it works for me, on a Mac Mini G4 (PPC).
>>>
>>> Full steps:
>>>
>>> # wget http://cdimage.debian.org/cdimage/unofficial/non-free/cd-including-firmware/8.4.0/powerpc/iso-cd/firmware-8.4.0-powerpc-netinst.iso
>>> # wget http://ftp.nl.debian.org/debian/dists/jessie/main/installer-powerpc/current/images/powerpc/hd-media/boot.img.gz
>>> # zcat boot.img.gz > /dev/sdb
>>> # sync
>>> [manually eject + plug USB drive again]
>>> # cp firmware-8.4.0-powerpc-netinst.iso /media/mathieu/bootable
>>> drive/shortname.iso
>>>
>>> [reboot + press and hold cmd/option/o/f]
>>>
>>> > boot usb1/disk@1:2,\\yaboot
>>> [some silly warning that partition cannot be read]
>>> boot: install
>>
>> I think maybe the 2 should be a 1 for the partition. Not certain.
>>
>>> done !
>>>
>>> The only tricky part was that the name
>>> 'firmware-8.4.0-powerpc-netinst.iso' is a bit too long for HFS (AFAIK)
>>> and the file extension was *.si instead of *.iso which is an issue for
>>> the debian installer (hence the need for a shorter name on the USB
>>> disk).
>>>
>>> I'll make an installation-reports bug report for stretch and ask for
>>> the documentation clarification from there.
>>
>> Well checking the iso powerpc image, it has a partition table and yaboot
>> is there, so I think the hd-media step is not needed. I think you can
>> just write the iso to the usb key and it would work just as well.
>
> Hum. I tried burning the iso directly on key, but the filesystem was
> ISO 9660 which Open Firmware refused to read...
>
> If you want I can try harder tonight, but I assumed the key needed to be in HFS.
My Mac Mini G4 does support ISO 9660.
Steps:
$ sudo dd if=debian.iso of=/dev/sdb bs=1M
$ sudo sync
[eject + put the USB key on mac mini, power up + cmd+option/o/f]
> dir usb0/disk@1:2,\
-> should list the 'install' directory (and some other stuff)
> boot usb0/disk@1:2,\install\yaboot
done !
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