http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/fxp/if_fxp.c.diff?r1=1.217.2.15;r2=1.217.2.16;f=h
This fix is really necessary (dealock of the interface in case of cluster shortage) and not commited in 6.x (but commited in RELENG_5 RELENG_7 and HEAD)
Regards, Fabien
