Actually I think it is fine to reboot when you get the [ 31.120000] JFFS2 notice: (528) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found. . It just seems like 60 seconds is an eternity when you are staring at a computer screen waiting on something like this. If I say 60 seconds a lot of people will get itchy at 15 seconds and reboot 