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To: gentoo-releng@g.o
From: Kumba <kumba@g.o>
Subject: Re: livecd support (mostly) done
Date: Sat, 10 Jan 2004 06:45:29 -0500
Daniel Robbins wrote:

> But right now I am getting held up by a kernel bug. I can mount a
> loopback fs, and try to copy files to it. I get a "no space left on
> device." I can then repeat the exact same cp command, and a few seconds
> later it works. Seems to be some weird synchronization bug in the
> kernel. I'm using gentoo-dev-sources-2.6.0 and I'm wondering if anyone
> has experienced anything similar. This is on amd64 but the loopback code
> in the kernel should be arch-independent.

Might help to prune /dev a little.  I spent a good while wiping out the 
contents of /dev after creating generic-mips entries for the mips 
netboot.  Things like six different pty*, ttyS* (or tty* in general), 
and other things like midi entries, etc.. really aren't needed (unless 
anyone plans on composing some midi tunes on a livecd while the install 
goes forth).  Cut about /dev 1000+ entries down to around ~250 (or a 
close approximation of such).

That might help skirt around the lack of space issue some.  All in all, 
I created an ext2 fs w/ only 1500 inodes for the netboot and had no 
problems, although for a livecd, I know this will not be sufficient.

I also used 4k blocksizes in the netboot.  It seemed to have allowed the 
filesystem to take up a little bit less space than using the standard 1k 
block size (saved 200-300KB), although I don't know if this would have 
any impact either on the problem your having.  It was mainly and experiment.


--Kumba

-- 
"Such is oft the course of deeds that move the wheels of the world: 
small hands do them because they must, while the eyes of the great are 
elsewhere."  --Elrond


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livecd support (mostly) done
-- Daniel Robbins
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Updated Jun 17, 2009

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