Comment 2 for bug 589067

after looking to the tree process.

root 16033 0.0 0.1 5680 2660 pts/3 S+ 10:08 0:00 /usr/bin/perl /var/lib/dpkg/info/linux-image-2.6.32-22-generic.postinst configure 2.6.32
root 20216 0.0 0.0 1828 540 pts/3 S+ 10:08 0:00 /bin/sh -e /usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg 2.6.32-22-generic /boot/vmlinu
root 20235 0.0 0.0 3664 896 pts/3 D+ 10:08 0:00 /usr/sbin/grub-probe --device /dev/md3 --target=fs_uuid

that's the following commande which gives no end :
/usr/sbin/grub-probe --device /dev/md3 --target=fs_uuid

even a kill did not do the job :

ps aux |grep 20235
root 20235 0.0 0.0 3664 896 pts/3 D+ 10:08 0:00 /usr/sbin/grub-probe --device /dev/md3 --target=fs_uuid
root@maria:~# kill -9 20235
root@maria:~# ps aux |grep 20235
root 20235 0.0 0.0 3664 896 pts/3 D+ 10:08 0:00 /usr/sbin/grub-probe --device /dev/md3 --target=fs_uuid