It looks like this problem lately occured in RHEL 6.3. There is a patch pending. Fedora already has a fix.
https://bugzilla.redhat.com/show_bug.cgi?id=841787 -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
