It seems that /usr/bin/os-prober is not installed or fails to run before the call to update-grub from the installer. Running it manually and then update-grub will add the missing entries, for both windows and linux partitions.
-- No second OS is shown up in grub2 https://bugs.launchpad.net/bugs/430141 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
