Debugging the libblkid revealed that the probe functions detects two filesystem magics on the device.
luks and ext4 as the blkid is set to be not tolerant it aborts the probe and sends a null pointer. if i change blkid to be tolerant it works fine, it shows me the password dialog and mounts the harddrive without problems. -- external harddrive (luks encrypted) will not mount automatically https://bugs.launchpad.net/bugs/428435 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