> A read-only mount can not have any pending buffers to write before unmounting. > Now apparently either there are bogus buffers pending to flush for your > unmount Yes, but mounting the ffs device without -r either results in the mount being read-only, in which case there should be no such thing, or not, in which case it shouldn't complain EROFS.
> I think this has been seriously reworked in newer versions. OK, then I just mount -r.
