Also have this problem but it doesn't show up in boot.log with debug=y it is logged in udev.log though, /dev/sdc which is a card reader the same as sworddragon noticed.
** Attachment added: "boot.log with debug=y" https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1398025/+attachment/4336452/+files/boot.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1398025 Title: Error messages like "error: /dev/sdb: No medium found" on booting To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1398025/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
