Vmware crashes if compress/misc.c scrolls?

Jeremy Fitzhardinge
Wed, 20 Jun 2007 17:24:00 -0000

> Jeremy Fitzhardinge wrote:
>
>> Yes.  Is this a report of observed failure?  And how would VMWare even
>> go about implementing this kind of misfeature?  Maybe it fails with
>> particular instructions reading the framebuffer?
>>
>
> It supposedly is.
>

You mean "is a real failure"?  Or "is triggered by particular
instructions"?  It seems profoundly bogus (as in, surely DOS or
something reads the framebuffer).

>> Maintain a shadow framebuffer, and copy it to the real framebuffer on
>> update...
>>
>
> How would you populate the shadow framebuffer?  Pass it in from real mode?
>

Erm.  BIOS always says basically the same stuff, so just compile a
screenshot into the setup code?

    J