Anonymous
The log status “?” I use when it cannot determine if the service is up or down.
As food for thought toward UI development, here’s an archive.org helpdoc page for the BUM (boot-up manager). In the embedded screenshots, you’ll notice a “dashed line icon” was displayed for indeterminate items.
http://web.archive.org/web/20180807213542/http://www.marzocca.net/linux/bumdocs.html