[H-GEN] user mode linux and pts/tty issues?

[Troy Piggins]

On Thu, Jul 07, 2011 at 01:49:54PM +1000, Troy Piggins wrote:
> 
> I'm trying to get a UML virtual machine running on a ReadyNAS Ultra 4.  I was
> trying VirtualBox for the VM, but can't seem to get that running either.
> 
> Looking at the UML homepage http://user-mode-linux.sourceforge.net/ they say
> it's as simple to get going as download the kernel, download a filesystem, and
> simply run "./kernel ubda=filesystem"
> 
> Anyone here with UML experience?  Actually it may not just be a UML issue, but
> more my understanding of TTY/PTY/PTS terminals/consoles etc.  I'll continue...
> 
> The RNAS box is a x86_64 processor.  The kernel I downloaded was
> kernel32-2.6.39.2 for 32 bit i386, and the filesystem was
> Ubuntu-LucidLynx-i386-root_fs.  I did also download 64 bit kernel and
> filesystem, but the FS one was for AMD64.  Got them from
> http://uml.devloop.org.uk/index.html and http://fs.devloop.org.uk/
> 
> Below is an extract of the output, I can provide full if that'll help.  I'm
> shelling into the NAS via ssh and then opening a screen session.  "tty" in one
> of the screen windows is /dev/pts/1 etc.  After that last line nothing else is
> displayed, and I have to killall the process
> 
> I'm not sure where to go from here.  Searching around google the only time
> similar question has come up, it's unanswered.
> 
> Any suggestions?
> 
> # ./kernel32-2.6.39.2 ubda=./Ubuntu-LucidLynx-i386-root_fs

FYI just got a reply on the UML mailing list.  Apparently the newer versions of
Ubuntu have trouble handling the terminals, so I tried Damn Small Linux as a
test and it booted fine.  Am downloading Debian Squeeze now and hopefully
that'll work.