Re: [uml-user] Debian image (Debian-3.0r0.ext2)

[Vincent G. <gu...@au...>]

the devices uTomasz Wegrzanowski wrote:
> Some things about Debian-3.0r0.ext2:
> 
> 
> First, the /etc/fstab tries to mount /dev/ubd/0, but the correct name is /dev/ubd0.
> It may or may not have something to do with devfs. In either case, it needs
> to be corrected for the image to work right.
> 
> 
> Second, why ext2 instead of ext3 ? It's just a matter of tune2fs -j and changing ext2 to ext3
> in the /etc/fstab. All reasonably new kernels grok ext3, and those that don't can
> still mount it as ext2. It seems to me that it's not the only image affected.
> 
> 
> The third thing is, /etc/inittab is weird.
> The funny part is:
> 
> 0:2345:respawn:/sbin/getty 38400 ttys/0
> 1:2345:respawn:/sbin/getty 38400 ttys/1
> 2:2345:respawn:/sbin/getty 38400 ttys/2
> c:2345:respawn:/sbin/getty 38400 serial/0
> 
> #0:2345:respawn:/sbin/getty 38400 tty0
> #2:23:respawn:/sbin/getty 38400 tty2
> #3:23:respawn:/sbin/getty 38400 tty3
> #4:23:respawn:/sbin/getty 38400 tty4
> #5:23:respawn:/sbin/getty 38400 tty5
> #6:23:respawn:/sbin/getty 38400 tty6
> 
> But it simply doesn't work. All I get is:
> INIT: Id "0" respawning too fast: disabled for 5 minutes
> INIT: Id "1" respawning too fast: disabled for 5 minutes
> INIT: Id "2" respawning too fast: disabled for 5 minutes
> INIT: Id "c" respawning too fast: disabled for 5 minutes
> INIT: no more processes left in this runlevel
> 
> That is, the gettys die immediately.
> 
> Running getty 38400 ttys/0 etc. by hand confirms it.
> On the other hand, getty 38400 tty0 etc. work fine, and I can even get
> xterm login screens if I chance the ttys/N to ttyN in /etc/inittab
> and pass con{0,1,2}=xterm as a command line argument.
> 
> So unless I'm not getting it (I have no idea what are those ttys/N, ttyN seem
> to be text vts on normal kernel), I suggest changing those lines to:
> 
> 0:2345:respawn:/sbin/getty 38400 tty0
> 1:2345:respawn:/sbin/getty 38400 tty1
> 2:2345:respawn:/sbin/getty 38400 tty2


The device name used in inittab and /etc/fstab only need to be 
consistent but both are correct,

Either you use devfs and have in you fstab /dev/ubd/0 and in you inittab 
/dev/ttys/0

or you don't use devfs and you have /dev/ubd0 and /dev/tty0. In that 
case you start uml with

linux ubd0=Debian-3.0r0 devfs=nomount

The filesystem is probably ext2 because this is the default install for 
that debian release ?


-- 
				Vincent Guffens
				PhD Student UCL/CESAME
				tel:   +32 10 47 80 30
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