Re: Slow performance with newer xorg-X11

I recently upgraded from Ubuntu 8.10 to Ubuntu 9.04 and I had exactly that
problem. In my case, I'm running an HP laptop with an ATI graphic card. By default
Ubuntu install its open-source version of the driver but like you between the two
versions of Ubuntu I noticed this dramatic slowdown, it drove me nuts for 2 days
and I was ready to downgrade my installation.

But then when I tried to install the ATI closed-source of the ATI driver it worked
just fine. I figured out that somehow they must have introduced a regression in
the open-source ATI driver. So for the moment, I'm using the closed-source version
and I'm happy.

I've also tried the radeonhd opensource driver, when using it, performance was
back, but for the rest it was not that great (movie playbacks was hashed) so
that's why I'm using the ATI closed-source.

Maybe this applies to you,
Regards,
Manu

> -----Original Message-----
> From: Mattias Hellström [mailto:[email protected]]
> Sent: Friday, May 08, 2009 2:58 AM
> To: [email protected]
> Subject: [rdesktop-users] Slow performance with newer xorg-X11
> 
> When I connect to my win2003 terminal server I get annoyingly slow
> performance in oultlook, symptom is that outlook redraws everyting
> twice and that switching application takes a very long time.
> This happens when I connect from Fedora10 but not from Fedora9.
> 
> I have tried mixing the rdesktop binaries and that is not the problem,
> I have also tried all the flags for rdesktop and also tried disabling
> font smoothing etc on the server side. Even if I from my f10 ssh to a
> f9 machine with x11-forwarding and run the client threre the problem
> appears. So I have good reason to think its some kind of compability
> issue between the rdesktop client and the x11 server.
> 
> Have anyone else got closer to a sollution than me?
> 
> Versions:
> F9 xorg 1.5.2: problem free.
> F10 xorg 1.5.3: problem.
> F11 xorg 1.6.0: problem.
> F9 client with all libs to remote f10 server: problem.
> 
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