I got the following error trying to check out oacs-5-2:
cvs checkout: failed to create lock directory for `/cvsroot/openacs-4/packages/forums-backup-for-don' (/cvsroot/openacs-4/packages/forums-backup-for-don/#cvs.lock): Permission denied
cvs checkout: failed to obtain dir lock in repository `/cvsroot/openacs-4/packages/forums-backup-for-don'
cvs [checkout aborted]: read lock failed - giving up
