I had the same issue with my wireless card under FC2.
You cannot disable the 8k stacks with the kernel provided by FC.
I downloaded a fresh one from www.kernel.org
Copy /boot/config-xxx under /usr/src/linux-2.6.6/.config
make xconfig ou menuconfig
load alternate file config (.config)
then customize your process type if you want
and enable NTFS if you want
You can follow this article :
Then as usual :
make mrproper ou make clean
Grub conf file is modified accordingly (look at /boot/grub/menu.lst)
reboot and choose your new kernl.
Let me know if that works for you