On Mon, Sep 22, 2003 at 07:53:53PM -0400, Nathan J. Williams wrote:
> 
> I noticed the same thing today on my iBook when I upgraded from an
> August 4 kernel; unfortunately, I have no serial console to probe
> further. I did get, when starting X:
> 
> xf86OpenConsole
> (EE) R128(0): Cannot read V_BIOS (5)
> 
> which I don't remember seeing before, but the log file that would have
> told me whether it had happened in the past was obliterated when it
> hung the box.

Simon Burge commited a fix from mlelstv.

Make sure you have version 1.35 of src/sys/dev/wscons/wsmux.c

Regards,
Alistair