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Trying to install OpenBSD 5.2 onto disk sd0 (2GB USB storage connected to the computer).

Burned install52.iso as image to a CD, loaded it into CD drive, and booted off it.

After selecting [W]hole disk and then [A]uto layout, the following error appears:

newfs: cg 0: bad magic number
newfs: fsinit1 failed
WARNING! The following filesystems were not properly mounted:

Continue anyway?[no] _

This is as far as the installation goes and gets interrupted.

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