I wrote: >> I wonder if this is another manifestation of the "dpkg tar problem". > >This isn't the problem with /var/spool/lpd, because that is a change >in ownerships (which dpkg doesn't do) and it happens at reboot rather >than when lprng is upgraded.
I was wrong. The permissions didn't change when I rebooted this evening, so it must have been something else. I don't know why lpd was happy before yesterday's reboot but not after -- possibly it opened the files it needed before the permissions changed. Tony.