This is the message I get when I try to boot. The problem started after I downloaded some new updates, including a new kernel. So I have to pick an earlier kernel and then the machine boots up ok.
RAMDISK: Compressed image found at block 0 crc error VFS: cannot open root device "md0" or unknown-block(0,0) Please append a correct "root=" boot option kernel panic - not syncing: VFS: unable to mount root fs on unknown-block(0,0) Using GRUB. -- CRC error, not able to boot from md0 (raid) https://launchpad.net/bugs/61382 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs