Re: [Xen-devel] Vesa compatible card not detected by dom0 kernel

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> "Miao Feng" <miaofeng@xxxxxxxxxxxxxxxx> 16.12.05 13:51:56 >>>
>Hi list:
>
>   i found that my vesa card can't be detected by the dom0 kernel and
>subsequently vesafb can't be brought up successfully, we do not
mention
>X.org system here. Seems that it is caused by the absence of the
video
>probing code, that originally packed in linux kernel (video.S).
>
>   that code is 16-bit mode oriented, but not feat for dom0 booting
up
>procedure. Do you think it is reasonable to past it on xen kernel?

No, it is not. The para-virtualized kernel starts in protected mode,
and hence can't (without complications) execute real-mode code.

Jan

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