Advice for hacking on ufs/ffs

[Eric Anderson]

On 07/25/06 12:53, Shane Adams wrote:
> Thanks for the tip DES!  I will probably break down and buy a cheap machine or dust off my old P3 box.  I have a PXE card at home too.  I want to try qemu as well cause if I get it to work I can tool around on my laptop.
> 
> Eric, I hate to bother you but I didn't get the cheat sheet.  Here's what I attempted last night.
> 
> I built qemu from ports
> I used dd to create 1G file.
> I did mdconfig -a -t vnode -f /bigdrive/bsdfilesystem -u 0
> I downloaded the 20M boot only ISO.
> 
> I ran qemu specifying -cdrom as the 20M iso, and -hda to /bigdrive/bsdfilesystem.
> 
> Qemu started fine, and I proceeded to go through the basic install process, at that point it asked me to toss in the correct CD with the packages to complete the installation (Which I didnt' have the CD handy and it was late so I will try again tonight).
> 
> Anyway - you said you do a make DESTDIR to your mdconfig'd file.  Did you mount the file you mdconfiged?  If so, does a make installworld install a boot loader as well?  I'm not clear on how you used qemu to boot agains that device.  Perhaps you did a normal BSD install on it then later mounted it to get your stuff on there?


I just resent it to you.  I'll probably clean it up, and post it 
somewhere for anyone who cares at some point.

I did it without sysinstall, because I wanted an updated version of the 
OS from my local checked out copy, which already had changes in it.


Eric





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Eric Anderson        Sr. Systems Administrator        Centaur Technology
Anything that works is better than anything that doesn't.
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