[coreboot] Error executing VGA ROM with coreboot

Stefan Reinauer stepan at coresystems.de
Fri Oct 30 18:16:28 CET 2009


ron minnich wrote:
> well how about this as a first step. We're getting exception 6. What
> is that again?
> Also: is 0x8e41a854 even remotely valid as a bios int?
> And: 8831:eb60 -- 96E70 -- is that a sensible place for the CPU to be?
>
> It looks to me like the stack is somewhere odd: 774a. Is that right?
> Where does the stack start out?
> Finally ... as pointed out, if the VGA bios uses services that
> coreboot does not supply, it's not going to work. Some of these VGA
> bioses are very badly written, and this problem can occur.
>   
All those values look pretty far off.. Mansoor, you could enable
instruction level logging in YABEL and see where it stops looking sane..

Stefan





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