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Date: Mon, 19 Jan 2009 19:54:40 -0600
From: Anthony Liguori <anthony@codemonkey.ws>
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Subject: [Qemu-devel] Re: Extremely slow graphic updates
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To: Paul Brook <paul@codesourcery.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>, qemu-devel@nongnu.org, Lennart Sorensen <lsorense@csclub.uwaterloo.ca>

Paul Brook wrote:
>> 'ssh -X fastserver' and running qemu there.  With the new display code
>> this has made qemu very slow and hardly useable.
>>     
>
> I'm seeing similar extreme slowness even on a local machine.
>
> Particularly noticeable is that the monitor displayed on a qemu virtual SDL 
> console (i.e. the defaut) slow enough to be practically unusable. It's taking 
> the best part of a second to rendering a character.
>
> This is on an otherwise fast machine that does not have accelerated X drivers, 
> which suggests we're doing something really dumb like reading from video ram.
>
> I have confirmed that this is caused by r6336.
>   

I'll look into this tomorrow morning.

Regards,

Anthony Liguori

> Paul
>