[CentOS] CentOS 4.1 yum update just hangs

After installing 4.1, and running
yum clean all
yum list
yum update

It hangs at the point

<snip>
(52/57): cups-libs-1.1.22 100% |=========================| 109 kB    00:00
(53/57): bzip2-devel-1.0. 100% |=========================|  35 kB    00:00
(54/57): kdelibs-3.3.1-3. 100% |=========================|  15 MB    00:00
(55/57): zlib-devel-1.2.1 100% |=========================|  94 kB    00:00
(56/57): mod_ssl-2.0.52-1 100% |=========================| 100 kB    00:00
(57/57): fetchmail-6.2.5- 100% |=========================| 581 kB    00:00
Running Transaction Test
</snip>

It just sits there. I can ping the box, but I cannot ssh to the box. I can 
not log into the console either.