Fedora users may know setting LD_ASSUME_KERNEL stops it using tls but ever wonder why? because I suspected it was magic and some evil.. http://people.redhat.com/drepper/assumekernel.html Dave. -- David Airlie, Software Engineer http://www.skynet.ie/~airlied / airlied at skynet.ie pam_smb / Linux DECstation / Linux VAX / ILUG person