Under Lorax 6.0.80 non-root users can no longer rpm -q packages: $ rpm -q kernel failed to open //var/lib/rpm/packages.rpm rpmQuery: rpmdbOpen() failed This is with rpm-3.0.3-0.32 installed
Check perms on /var/lib/rpm/* files. If they are 000, this problem (naively believing what the installer passes for permissions) has been fixed. Otherwise, please reopen this bug.