Strange, it seems that -p prevents blkid from writing the cache; you have to run it without -p for it to generate the cache. Only thing is, all of the udev rules that run blkid do so with -p, so I don't see how the cache ever gets created.
Strange, it seems that -p prevents blkid from writing the cache; you have to run it without -p for it to generate the cache. Only thing is, all of the udev rules that run blkid do so with -p, so I don't see how the cache ever gets created.