From the Not Just for Debian Anymore dept.:
The beta release of Ubuntu Feisty, the latest release of the popular Linux operating system, has been delayed for a day because of kernel issues.

In an email to the Ubuntu developers list early this morning Tollef Fog Heen wrote: "The beta release [of Feisty] is delayed until Friday due to a kernel regression which caused problems booting quite a large number of systems.

tectonic.co.za