I have just installed karmic from a usb-stick and I have the same error (I don't know if this is relevant for this bug). However I resolved it by running in a terminal: $sudo grub-mkdevicemap $sudo update-grub
-- error: cannot open `/dev/sdb' while attempting to get disk size - grub2 update https://bugs.launchpad.net/bugs/425112 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
