System won't boot

["Trey Sizemore" <trey@fastmail.fm>]

When attempting to boot my newly installed system, it gets as far as the
following and then stops with a kernel panic.  Is this repairable, and if
so how.  I am a relative newbie, so be as simple as possible.  Any help
is greatly appreciated.  Thanks.

These are the last 4 lines when booting:

kmod : failed to exec /sbin/modprobe -s -k block-major-33 errno=2
VFS : cannot open root device "2105" or 21:05
Please append a correct "root=" boot option
Kernel panic : VFS : Unable to mount root fs on 21:05

-Trey
-- 
  Trey Sizemore
  trey@fastmail.fm