Emulating 8.2-767

[Brian Jordan]

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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