Re: KVM usability

Avi Kivity
2010-03-07T11:25:41Z

On 03/01/2010 05:14 PM, Anthony Liguori wrote:
>> - Graphics performance is awful even with the 640x480 miniature
>> version.
>> During bootup I can see it drawing single characters. This is a
>> Core2
>> 2.8GHz.
>
>
> That's a bug. Please report it. Graphics performance isn't great,
> but it should not be that bad.

(This is in grub, right?)

That's not fixable in kvm. In 4-bit vga mode you cannot allow the guest
to access emulated VRAM directly (since each access has side effects).
A Core 2 will only do about 250K emulations per second, so screen
redraws take about 3 seconds.

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