Could be a too long UUID? The Ubuntu is installed on the key under /dev/sbd1. Does it make a difference if ubuntu is installed on primary or logical partition? On the hard disk ubuntu is in a logical partition (sda7)
totale 0 drwxr-xr-x 2 root root 180 nov 30 11:38 . drwxr-xr-x 6 root root 120 nov 30 2013 .. lrwxrwxrwx 1 root root 10 nov 30 11:38 18F57B01269DF7B7 -> ../../sdb5 lrwxrwxrwx 1 root root 10 nov 30 11:38 39bf5da7-c366-4b39-8ead-4b877100e798 -> ../../sdb1 lrwxrwxrwx 1 root root 10 nov 30 11:38 3b3226b9-5209-4353-b0ef-2e1c7ef4005c -> ../../sdb2 lrwxrwxrwx 1 root root 10 nov 30 11:34 45DA5FB065A51410 -> ../../sda5 lrwxrwxrwx 1 root root 10 nov 30 11:34 7AE2FED11620B1C7 -> ../../sda1 lrwxrwxrwx 1 root root 10 nov 30 11:34 C650-CB26 -> ../../sda3 lrwxrwxrwx 1 root root 10 nov 30 11:34 da87de99-c43d-4ba4-a3d4-446f6ea7bf93 -> ../../sda7 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1245147 Title: Ubuntu 13.10 does not boot from USB stick 3.0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1245147/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs