As described in: http://lists.xensource.com/archives/html/xen-devel/2010-10/msg00077.html at least with debian squeeze domU (dunno if other grub2 are affected) will fail with: "Error: Boot loader didn't return any data!" exploring `pygrub -i /path/to/image/with/grub2` will show: --- odo xen # pygrub -i /dev/vgOdoRaid5/squeeze Using <class 'grub.GrubConf.Grub2ConfigFile'> to parse /boot/grub/grub.cfg WARNING:root:Unknown directive load_video WARNING:root:Unknown directive terminal_output Traceback (most recent call last): File "/usr/bin/pygrub", line 713, in <module> chosencfg = run_grub(file, entry, fs, incfg["args"]) File "/usr/bin/pygrub", line 548, in run_grub g = Grub(file, fs) File "/usr/bin/pygrub", line 204, in __init__ self.read_config(file, fs) File "/usr/bin/pygrub", line 412, in read_config self.cf.parse(buf) File "/usr/lib/python2.6/site-packages/grub/GrubConf.py", line 400, in parse self.add_image(Grub2Image(title, img)) File "/usr/lib/python2.6/site-packages/grub/GrubConf.py", line 316, in __init__ _GrubImage.__init__(self, title, lines) File "/usr/lib/python2.6/site-packages/grub/GrubConf.py", line 85, in __init__ self.reset(lines) File "/usr/lib/python2.6/site-packages/grub/GrubConf.py", line 101, in reset self._parse(lines) File "/usr/lib/python2.6/site-packages/grub/GrubConf.py", line 96, in _parse map(self.set_from_line, lines) File "/usr/lib/python2.6/site-packages/grub/GrubConf.py", line 326, in set_from_line setattr(self, self.commands[com], arg.strip()) File "/usr/lib/python2.6/site-packages/grub/GrubConf.py", line 104, in set_root self._root = GrubDiskPart(val) File "/usr/lib/python2.6/site-packages/grub/GrubConf.py", line 55, in __init__ (self.disk, self.part) = str.split(",", 2) File "/usr/lib/python2.6/site-packages/grub/GrubConf.py", line 80, in set_part self._part = int(val) ValueError: invalid literal for int() with base 10: 'msdos1' odo xen # --- Reproducible: Always Steps to Reproduce: 1. try to start any squeeze domU with grub2 with paravirtualization Actual Results: crash Expected Results: boot the vm
Xen 4.1 in tree. Please test with it and reopen if it doesnt work
