Error Writing Partition Changes to DASD

["Rod Clayton" <rod.clayton@gmail.com>]

I am trying to do a network install of Etch in a 31 bit VM guest. It
goes well till I get to writing the automatically generated partition
layouts to disk and I get the error:

Error informing the kernel about modifications to partition
/dev/dasda5 -- Invalid argument.  This means Linux won't know about
any changes you made to /dev/dasda5 until you reboot -- so you
shouldn't mount it or use it in any way before rebooting.

When I re-boot, It says it can't determine how the disk is formatted
and asks me to do it again.

Any ideas?

Thanks,
Rod