> Does anyone have any idea why the un-patched kernel from kernel.org works > fine with ndiswrapper but both the FC6 and CentOS (RHEL) kernels lock up or > spontaneously reboot? I built the 2.6.21 kernel by copying the config file > for 2.6.18-8.1.1 from /boot and doing a "make oldconfig". Everything is > x86_64. <http://ndiswrapper.sourceforge.net/joomla/index.php?/component/option,com_openwiki/Itemid,33/id,faq/> See Item #2. Summary: Red Hat/Fedora uses a 4k stack size. Doesn't work well with ndiswrapper, or rather with the drivers you are trying to use with ndiswrapper. Barry