On Thu, 21 Nov 2002, Mitsuru IWASAKI wrote:
> Nate Lawson wrote:
> > Can someone get the memory detection (int 12) back to stable?  The
> > conservative approach seems to only have the limitation of "losing" 640k
> > whereas the experimental approach causes panics.
> > 
> > Can we take such critical experiments out of the base system and let them
> > mature as a patch?  I heard something about a release coming up or
> > something like that.
> 
> I already got the memory detection (int 12) back to STABLE and CURRENT.
> After all, nothing had changed there except for having new loader tunable.
> 
> If you find 'Fatal trap 12: page fault while in vm86 mode' message at
> early kernel boot stage, your BIOS probably has broken INT 12H (in my
> case, it was not implemented by BIOS writer).
> The loader tunable 'hw.hasbrokenint12' is workaround for it.
> Try this at loader prompt:
>  ok set hw.hasbrokenint12="1"

Ah, thank you very much.  I didn't know this had been reverted.  The
tunable should be documented in the errata section as I'm sure other users
would appreciate that.

-Nate


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