Emulating 8.2-767

[Bert Freudenberg]

Feel free to post it anywhere you think it makes sense. Glad it's  
useful to some. I already got some feedback after posting to my blog,  
including the confirmation it indeed works on Windows:	

http://croquetweak.blogspot.com/2008/12/emulating-latest-stable-olpc-xo.html

- Bert -

On 21.12.2008, at 23:45, Brian Jordan wrote:

> Hi Bert,
>
> This is amazing, thanks!
>
> This would be great to have on
> http://wiki.laptop.org/go/Emulating_the_XO/Quick_Start/Mac
>
> Brian
>
> On Wed, Dec 3, 2008 at 11:43 AM, Bert Freudenberg <bert at freudenbergs.de 
> > wrote:
>> Hi everyone,
>>
>> even with XOs readily available now there are quite a lot of reasons
>> why one would want to emulate it on another machine. One being to  
>> hook
>> up a projector. Unfortunately there are quite a number of hoops (*)
>> one has to jump through to make it work.
>>
>> Anyway, I made a virtual machine that allows me to emulate the XO on
>> my Mac, running Sugar in the XO's native 1200x900 resolution, scaled
>> down to a nice physical size in a window an my regular screen
>> (fullscreen works too). Sound works (even Tam Tam), Browse works (so
>> networking is good, although I don't see anyone in the neighborhood).
>> Camera and mic are not working (Measure crashes, Record shows blank
>> picture), and a "Sugar restart" does not actually restart Sugar, but
>> apart from that it seems fully functional, and much nicer than the
>> emulations I had used to date.
>>
>> These are live-sized screenshots (calibrated using the Ruler  
>> activity):
>>
>> http://dev.laptop.org/~bert/Ruler-emulated.png
>> http://dev.laptop.org/~bert/Home-emulated.png
>> http://dev.laptop.org/~bert/Journal-emulated.png
>> http://dev.laptop.org/~bert/TamTamMini-emulated.png
>>
>> And here you can get that virtual machine (665 MB, 2 GB unzipped):
>>
>> http://dev.laptop.org/~bert/VMWare-Fusion-8.2-767-bf.zip
>>
>> This is for VMWare Fusion on the Mac, which I found to be much better
>> at running Linux clients than Parallels (I had been using that for 2
>> years). Give it a try, it's free as in beer for 30 days. No I don't
>> get paid if you buy it.
>>
>> If you extract the disk image from the zip file it might work in
>> VMWare on Windows. Maybe someone can make an appliance from that.
>>
>> (*)
>> Now to the hoops:
>>
>> * I started with the 767/ext3 image from
>>  http://download.laptop.org/xo-1/os/official/
>> * extended to 2 GB by appending /dev/zero
>>  (jffs2 compression gives roughly 2 GB too)
>> * enlarged the partition to full 2 GB
>>  (using fdisk and ext2resize)
>> * mounted that in a Fedora 10 virtual machine
>> * copied over the F10 kernel, initrd, and modules
>>  (olpc kernel wanted AMD instructions)
>> * edited grub.conf to use that kernel
>> * and appended a root=/dev/sda1 kernel arg
>>  (the fedora kernel wants to use LVM otherwise)
>> * unmounted
>> * created new virtual machine
>>  (that disk, 1 CPU, 256 MB RAM, NAT networking)
>> * booted into that new system
>> * installed Perl
>>  (for vmware tools installer)
>> * installed vmware tools
>>  (to get the X driver)
>>  (but none of the kernel modules, would need make/gcc/etc.)
>> * deleted Perl
>>  (to restore the default sw environment)
>> * copied the existing xorg-vmware.conf to xorg.conf
>>  (to get 1200x900 resolution w/ 200 dpi)
>> * booted into Sugar
>>  (looks really nice so scaled down)
>> * installed activities
>>  (took a long time, maybe it's my DSL)
>> * tested a bit
>> * rm -r ~olpc/.sugar
>>  (to remove my personal data)
>> * should have deleted sshd host keys, too, but didn't
>> * shut down
>> * zip
>> * upload
>> * ...
>> * ...
>> * ...
>> * still no profit? ;)
>>
>> Enjoy.
>>
>> And maybe remove some of the obstacles in future releases (a disk
>> image with headroom and a standard kernel would be simple to do and  
>> go
>> a long way).
>>
>> - Bert -
>>
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