On Thu, Jan 29, 2009 at 11:43:11PM -0500, Charles Sprickman wrote: [ snip ] > Any idea what happened to the sysctl? Is there some other method to > verify the loader tunable took (other than testing the throughput)? Boot with -v. If the loader tunable took effect, you should see "Enabling SATA WC on phy " instead of "Disabling SATA ..." Regards, Gary