Re: Excessive kernel time inside ttm when scrolling on a r700 in a multimonitor setup

[Andres Freund]

On Monday, September 17, 2012 10:47:10 AM Jerome Glisse wrote:
> On Sun, Sep 16, 2012 at 7:18 PM, Andres Freund <andres@xxxxxxxxxxx> wrote:
> > Hi everyone,
> > 
> > In several gui programs, most notably and reproducably, I can trivially
> > make Xorg spend the whole cpu time in the kernel. It might be an Xorg
> > bug, but from my untrained gut feeling it doesn't look that way.
> > 
> > Anything more you need than whats already in the email?
> 
> > Here are some details:
> Is it an AGP card ? It looks like it's the PAT update that kills perf
> for you, not much we can do, the pool allocator is probably starve.
If you mean AGP as in the old strange graphics bus, no. Its a pcie card.

If that helps you, more detailedly the card is a: SAPPHIRE Radeon HD6870

Unfortunately the manufacturers page is remarkably devoid of details...: 
http://www.sapphiretech.com/presentation/product/?cid=1&gid=3&sgid=1037&lid=1&pid=1270&leg=0

Greetings,

Andres
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