F 21 Alpha itself works just fine for booting and rebooting, unfortunately after updating all packages certain partitions fail to mount (usually home) which in turn drops me into single user mode.   

I am able to do a vgchange -ay and home will be detected and mount, but doing a ctl-d or systemctl default at that point results in a frozen system. 

There are a heap of updates since alpha so I can't say for sure which one causes the issue. Looking at the journal on a failed boot shows systemd-udevd core dumping multiple times. Unfortunately, given my workflow at this point I don't have a copy of the logs for you folks.

A fresh install renders the same thing on update. 

Anyone else experiencing this? Looking through bugzilla I couldn't find a match.

System Details:
Lenovo t440p (UEFI)
Samsung 840 EVO SSD
XFS filesystem
Dual boot with windows

-Erinn