I have installed the squeeze backports version 0.4.4-1~bpo60+1 since mid-May, and have not had any failures yet: seems that this version solves my problem. I guess this bug may be closed.
Thanks, Paul Paul Szabo p...@maths.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of Sydney Australia -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org