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List Archive: gentoo-releng
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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.


"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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