[Xen-devel] RE: Booting Xen/ia64

["Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>]

> I'm having problems booting Xen/ia64 on the machines here.
> 
> Everything seemed fine when I built Xen except for the
> 
>   CHK     include/linux/compile.h
> ERROR: ia64_monarch_init_handler: 186 slots, total region length = 0
> 1 error detected in 11382 functions.
> make: [unwcheck] Error 1 (ignored)
> 
> at the end of compiling domain 0, which shouldn't cause any problems.

Correct, no problem.  This shows up also just building standard Linux/ia64.
 
> I've then applied the privify tool to the vmlinux kernel.
> 
> Then I've put the resulting xenolinux and xen binaries into 
> /boot/efi/efi/redhat/, made a symlink "ln -s 
> /boot/efi/efi/redhat/xen /boot/xen", and put the following in 
> /etc/elilo.conf:
> 
> default=xen
> 
> image=xen
>         label=xen
>         initrd=xenlinux
>         read-only
>         append="nomca console=simcons console=ttyS0 
> console=tty0 root=/dev/sda2"
> 
> However, when I boot nothing happens. This is the output:
> 
> Loading xen...Loading Linux... ..done                         
>                                                                     
> Loading initrd xenlinux...done                                

Is this on a serial output or on a video screen?  If the latter,
try hooking up a serial output (and verify that it works with
regular Linux).  It's possible that Xen is booting xenlinux
fine and you may eventually see xenlinux output on the video
screen.  If not, are you sure "root=/dev/sda2" works for booting
standard Linux?

What hardware are you using?  I have been working with another
Xen/ia64 developer (I'll leave it up to him to post and identify
himself if he wishes) on a serial problem; Xen/ia64 has a hack for
serial output that apparently does not work on his box.  I'm
looking into a more generic solution (which got added to Linux/ia64
at 2.6.10).
 
> BTW, how far into the future do you think unprivileged domains are?

I'm visiting Cambridge next week so should know more after that.

Dan


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