On Tue, 2012-05-15 at 08:46 -0700, John Reiser wrote:
> I successfully installed default Graphical Desktop of Fedora-17-Final.TC5-i386
> to an old laptop which has only 383MB RAM. It took 80 minutes using USB2.0
> flash media that was converted by livecd-iso-to-disk from the DVD full installer
> image, with Packages and repodata also copied onto the flash drive;
> and using the kernel boot commandline parameter "nomemcheck".
> The activity LED for the harddrive showed symptoms of page thrashing during
> the install of only a few packages. I expect that installing from physical DVD
> would have taken much longer due to spin up/down on most non-trivial packages,
> and paging seeks from the squashfs image on DVD.
Interesting - thanks for testing.
There's some simple tricks we haven't tried yet for reducing memory
usage - for example, deleting /run/initramfs/lib/{modules,firmware}
before (or immediately after) switching to the "real" root. Should free
up 20-40MB of RAM, depending on arch..
If you're interested, you could test that by booting with "rd.break" and
doing "rm -rf /run/initramfs/lib/{modules,firmware}", then exiting the
shell to continue boot. Might speed up your install?
-w
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