I noticed some interesting improvements to Mini-OS announced on this
list, so I thought I'd try them out. Before looking at the new
features, I ran into a problem starting a Mini-OS domain.
I've just performed a fresh install of Fedora Core 6, and installed
xen, kernel-xen, and virt-manager, and booted up xen. Next I pulled
the latest version of xen-unstable.hg, cd'd into extra/mini-os, and
successfully made mini-os.elf. When I attempt to start the kernel, xm
claimed the kernel did not exist!
[ramsdell@goo luaxen]$ su -
Password:
[root@goo ~]# cd /home/ramsdell/repo/xen-unstable.hg/extras/mini-os/
[root@goo mini-os]# xm create -c domain_config
Using config file "domain_config".
Error: Kernel image does not exist:
/home/ramsdell/repo/xen-unstable.hg/extras/mini-os/mini-os.elf
But it's easy to see it really is there.
[root@goo mini-os]# file
/home/ramsdell/repo/xen-unstable.hg/extras/mini-os/mini-os.elf
/home/ramsdell/repo/xen-unstable.hg/extras/mini-os/mini-os.elf: ELF 32-bit LSB
executable, Intel 80386, version 1 (SYSV), statically linked, not stripped
As near as I can tell, the error message is generated by
../../tools/python/xen/xend/image.py on line 129.
if not os.path.isfile(self.kernel):
raise VmError('Kernel image does not exist: %s' % self.kernel)
So you might think that os.path.isfile is broken. Not so.
[root@goo mini-os]# python
Python 2.4.4 (#1, Oct 23 2006, 13:58:00)
[GCC 4.1.1 20061011 (Red Hat 4.1.1-30)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import os.path
>>> print
>>> (os.path.isfile("/home/ramsdell/repo/xen-unstable.hg/extras/mini-os/mini-os.elf"))
True
>>> print
>>> (os.path.isfile("/home/ramsdell/repo/xen-unstable.hg/extras/mini-os/Makefile"))
True
>>> print
>>> (os.path.isfile("/home/ramsdell/repo/xen-unstable.hg/extras/mini-os/missing"))
False
>>>
I must be doing something silly. If not, should I send this bug
report to the Xen bug list or the Fedora bug list?
John
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