[User-mode-linux-user] Re: user-mode port 0.30-2.4.0-test7

[Andrea A. <an...@su...>]

On Thu, 31 Aug 2000, Jeff Dike wrote:

>I got rid of your heuristics for choosing between two conflicting maps.  
>Instead, I made the code more careful about blocking off the 
>0x40000000-0x60000000 region so that any mallocs that happen get mapped 
>outside that area.

Ok, fine.

>In your case, that mystery mapping turns out to be from the stdio library 
>mallocing a page or two as a buffer.

I guessed that. You were using a buffer on the stack for the read(2) and
that's why you didn't needed to explicitly skip the malloced area.

I believe that the change will give more robusteness to the virtual boot
process.

>Have you managed to get uml booting beyond "init=/bin/sh"?  As far as I'm 
>concerned, your problems are over now :-)

Yes, I booted into the resque disk just fine (I only had to change some
bit in the /sbin/init.d/boot /etc/fstab w.r.t. to devfs and /devfs/ubd/0 :)

Thanks,
Andrea