[Fedora-xen] Xen4.1.0 and Fedora15 Block device bug?

[Travis]

Hi guys,

I'm an administrator for a small cluster running ganeti2.3.1/xen4.1.0/drbd83
on centos5.6, with predominantly fedora14 instances. We've been running the
fedora 14 images pretty well, not many issues. However, I've noticed that in
an attempt to install fedora 15, the virtualized block devices are
unrecognized by anaconda. has anyone else seen this or is this a known
issue?

-Corasian