On Sun, Sep 24, 2006 at 07:02:53PM +0900, Izumi Tsutsui wrote:
> You can't open a raw device if the corresponding block device is mounted.
> If sd0a is started at the top of the disk, using sd0c does the trick.

Ah, true. And yes, it works fine with sd0c. I'll update the man page.

Martin