Re: Update Seabios on xen-unstable

[Fabio Fantoni <fantonifabio@tiscali.it>]

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Il 11/01/2013 15:32, Ian Campbell ha scritto:
> On Fri, 2013-01-11 at 14:26 +0000, Fabio Fantoni wrote:
>> I know that isn't optimal use firmware passtrought for vgabioses but I'm
>> not sure that seabios actually loads (automatically) the vgabioses.
> SeaBIOS *does* load the VGA BIOS. You can see it if you use SDL (or are
> quick enough with the VNC).
>
> Ian.
>
>
>
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>
Vnc graphic performance of qemu-xen is bad, are not enough even to use 
it for maintenance only, I noted at the beginning of the test a year ago 
and already reported here.
With spice without qxl performance are enough to use it for maintenance 
but not for work on desktop.
The ideal solution for have Xengreat not only for servers but also for 
desktops would be Spice with qxl, audio, vdagent and usbredirection.
Audio vdagent and usbredirection are working, I'll try to do patches for 
libxl and post it.
About qxl months ago gave critical errors due to videoram resolved with 
patches someone made in xen.
Now qxl start but have low performance, also cirrus with videoram 
increased seem not increase performance on xen.
I tried for a long time to solve the problem but at the moment the only 
clues of difference from kvm and qemu (in which both work best) led me 
to hvmloader about seabios and vgabioses.
Sorry for the bad english and thanks for any reply.


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