Devel Digest, Vol 36, Issue 12

[Wade Brainerd]

Okay, I'll get my scripts posted to that ticket.
Best,
Wade

2009/2/6 Tiago Marques <tiagomnm at gmail.com>

> Hi all,
>
> I already mentioned an Acer One boots very fast from flash, like 5-10s to X
> server with window manager loaded. I remembered that I can do a TAR.BZ2 of
> the whole root of the SSD and put it online somewhere, if anyone cares to
> have a look to see what they have done at Linpus to speed up the boot of
> this particular Fedora flavour.
>
> We could supposedly download it from here:
> http://www.linpus.com/products_1.php#
>
> But, at least for me, it's not quite working.
>
> I volunteer for that effort but would like to have some help from Wade,
> since I've mostly used Gentoo since I became a penguin, and I don't known
> much else. Gentoo uses a different init system from most distros, so I never
> did do much init system hacking out of Gentoo. When I did do it(OpenSUSE and
> Ubuntu, mostly writing init scripts and toying with the boot process), it
> was something I didn't want to do again, I love Gentoo's baselayout too much
> - it's simple to work with and supports parallel init script startup for at
> least three years.
>
> Take a look at: http://www.youtube.com/watch?v=Mg_HBgwRZS4 to get an idea
> of how fast it is.
>
> It boots the X and window manager and then starts loading network and ACPI
> stuff in parallel, it still takes a while for everything to be up but it's
> generally quite fast, especially if you just want to access local stuff.
>
> Best regards,
>
>                                   Tiago Marques
>
>
> On Tue, Feb 3, 2009 at 5:13 PM, Mitch Bradley <wmb at laptop.org> wrote:
>
>>
>> > Date: Tue, 3 Feb 2009 07:57:02 -0500
>> > From: Wade Brainerd <wadetb at gmail.com>
>> > Subject: Re: OLPC upgrades
>> > To: "C. Scott Ananian" <cscott at laptop.org>
>> > Cc: OLPC Devel <devel at lists.laptop.org>
>> > Message-ID: <377B4440-AAD7-412C-B22B-16158D6F464F at gmail.com>
>> > Content-Type: text/plain;     charset=us-ascii;       format=flowed;
>>  delsp=yes
>> >
>> > A patch isn't really appropriate but generally speaking I:
>> >
>> > - Followed Mitch Bradley's instructions for tar-ing /dev.
>> > - Replaced the initrd with a 3 liner using busybox that just mounts
>> > NAND and calls switch_root.  This involved undoing all the version
>> > stuff in the filesystem.
>> > - Replaced rc.sysinit with a 30 line script that starts the services I
>> > want and mounts the required points.
>> > - Removed the entire SYSV runlevel system.
>> >
>> > I was learning about all this stuff as I did it, but it still didn't
>> > take that long.  And I have a lot of plans to make it even faster.
>> >
>> > A few things don't work right, like I'm still trying to figure out why
>> > there are no network interfaces...But If anyone would like to see the
>> > scripts I'd be happy to share them.
>> >
>>
>> How about bundling them up and attaching them to the "Improve Startup
>> Speed" ticket http://dev.laptop.org/ticket/4349 .  That way all the
>> research that nobody does anything about because it diverges too much
>> from the blessed Fedora will all be in one place.
>>
>>
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>>
>
>
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