Thanks for your answer. I'm sorry because the problem came from my bios config. The thing that made me thinking that was a bug is that was working with grub 1.96+20090317-1 and not with the last update. Please accept my apologies. Is it possible to delete my bug report?
bye -- steph -- To UNSUBSCRIBE, email to debian-bugs-rc-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org