Comment 5 for bug 704538

hi Colin,

as described into #3 above (previously mounted OS) can built a complete grub menu, there is no problem on that side.

After watching bug 683355 & bug 672177, i think you can consider this bug is very close and the key-words here are "uncleanly-unmounted filesystems" too because:
 "reboot" never work: the system is unable to completly stop: the session & X are closed but the system continue to run,
 but if i choose to directly "stop" and exit, the system seems to close normaly, but on next boot it always fail, so again: the " uncleanly-unmounted" seem to be the problem.

As suggested, i've reinstalled libc6 & called shutdown -r, but everything is clean: no broken inode.