I'm pretty sure Fedora kernel folks are familiar with this:
https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/317781
And the associated fixes.
Are Ted's patches, that are queued up for 2.6.30, going to be applied to F-11 (and F-10) 2.6.29 kernels or not? Asking just out of curiosity.