So the Bios didn't change anything. But with dpkg-reconfigure mdadm, it's OK since 15 days !...
Thanks Chuck :-) -- mdadm : boot failed sometimes, no devices found https://bugs.launchpad.net/bugs/120504 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs