XVM - VM power on error

ERROR! — XVM

Uh-oh! We experienced an error. Sorry about that. We've gotten mail about it.

Feel free to poke us at xvm@mit.edu if this bug is consistently biting you and we don't seem to be fixing it.

In case you're curious, the gory details are below.

Error on operation /machine/2451/command/create for user mxh: "Error: Disk isn't accessible
" on "control mxh create None

Fields:
err="Error: Disk isn't accessible
" on "control mxh create None
traceback=Traceback (most recent call last):
  File "/var/lib/python-support/python2.5/cherrypy/_cprequest.py", line 551, in respond
    cherrypy.response.body = self.handler()
  File "/var/www/invirt-web/view.py", line 78, in wrapper
    ret = old_handler(*args, **kwargs)
  File "/var/www/invirt-web/view.py", line 24, in __call__
    env.update(self.next_handler())
  File "/var/lib/python-support/python2.5/cherrypy/_cpdispatch.py", line 24, in __call__
    return self.callable(*self.args, **self.kwargs)
  File "/var/www/invirt-web/main.py", line 373, in command
    command_name, machine_id, kwargs)
  File "/var/www/invirt-web/controls.py", line 250, in commandResult
    bootMachine(machine, cdrom)
  File "/var/www/invirt-web/controls.py", line 91, in bootMachine
    % (err, machine.name, cdtype))
CodeError: "Error: Disk isn't accessible
" on "control mxh create None

back=list
action=Power on
machine_id=2451
emsg=

Error output:
---- end error output

Traceback (most recent call last):
  File "/var/lib/python-support/python2.5/cherrypy/_cprequest.py", line 551, in respond
    cherrypy.response.body = self.handler()
  File "/var/www/invirt-web/view.py", line 78, in wrapper
    ret = old_handler(*args, **kwargs)
  File "/var/www/invirt-web/view.py", line 24, in __call__
    env.update(self.next_handler())
  File "/var/lib/python-support/python2.5/cherrypy/_cpdispatch.py", line 24, in __call__
    return self.callable(*self.args, **self.kwargs)
  File "/var/www/invirt-web/main.py", line 373, in command
    command_name, machine_id, kwargs)
  File "/var/www/invirt-web/controls.py", line 250, in commandResult
    bootMachine(machine, cdrom)
  File "/var/www/invirt-web/controls.py", line 91, in bootMachine
    % (err, machine.name, cdtype))
CodeError: "Error: Disk isn't accessible
" on "control mxh create None