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Re: Slow window repaint under 'Etch'

On Mon, 18 Dec 2006 14:36:53 +0000
Peter Hillier-Brook <phb@hbsys.plus.com> wrote:

> Hello All,
> Can anyone suggest a starting point for me to analyse the very slow 
> repaint of windows following an unidentified update of 'Etch'? By
> very slow I mean that dragging a window across the screen results in
> quite impressive staggering of the window, suggestive of high alcohol 
> intake:-) Performance in all other respects seems fine.
> Relevant factors are: Gnome, ViewSonic LCD screen with ATI X700

There's your problem, right there! :-)

> graphics card running on an AMD Athlon 64 3200+.
> Running similar software on 800MHz Pentium III systems - i.e. much 
> slower machines - but with a different graphics card and a glass
> screen results in normal performance.
> My guess is that something in 'X' has gone amiss, but all upgrades
> are current on all machines, so the only obvious place of difference
> seems to be xorg.conf. Does this make sense?
> Thanks for any pointers including, if necessary, RTFM (with a hint as
> to which 'M').
> Peter HB

Which driver does X use? (See the "Device" section of the xorg.conf
file.) Is the driver still available after your recent upgrades? The
file /var/log/Xorg.0.log should provide clues if something is amiss.



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