Re: [uml-devel] How stable is hostfs (and UML in general)?

[Blaisorblade <blaisorblade@yahoo.it>]

On Wednesday 12 January 2005 17:55, Michael Richardson wrote:
> >>>>> "Blaisorblade" == Blaisorblade  <blaisorblade@yahoo.it> writes:
>
>     Rob> Chapter 5 of current variants of LFS uses the host system to
>     Rob> create a toolchain you can chroot into and build the final
>     Rob> system with.  Then in chapter 6, you build the final system in

>     >> I think the use of chroot is a cop-out.

>     Rob> This requires root access (as does creating device nodes,
>     Rob> mounting /proc or loopback devices...  A rather large number of

>     >> I use "fakeroot" to do all of that for embedded work that I do...

>     Blaisorblade> What's this?

>   A tool which LD_PRELOAD's a library that intercepts all calls that
> require root, and "emulates" them.
>   I.e. if a program does "chown(2)", it just remembers that this
> occured, and when a stat() is made, it returns the "right" answer.
>   (so tar/mkjffs, etc. get the right answer)
Ah, ok... this means it cannot work onto UML, actually (unless you dinamically 
link it - which is not the common case...).
>   Used in debian a lot.
>   http://packages.debian.org/testing/utils/fakeroot

>     Blaisorblade> Yes, that's because it turns the console to raw mode
> (don't ask me why).

>   Because, you'd like to have ^C get passed to the program being run
> under the UML :-)
Ah, well, yes, but that happens when you use /dev/tty0 as console inside UML 
(and I don't do it).
-- 
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade


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