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Bug#260598: Pointer background not updated for i740 X server



retitle 260598 xserver-xfree86: [i740] X cursor not updated correctly
tag 260598 + upstream moreinfo
thanks

On Wed, Jul 21, 2004 at 12:15:23PM +0200, Bas Wijnen wrote:
> Package: xserver-xfree86
> Version: 4.3.0.dfsg.1-6
> 
> The background of the pointer on my X, using the i740 server, is not
> updated when the pointer moves in steps.  Nor is the pointer updated,
> until it moves again.  This means that when there is a step move, or an
> other sudden change (the scroll wheel makes step moves in gnome-terminal,
> for example.  An other change is the mapping of a window under the
> pointer due to interactive placement), the pointer is not redrawn until
> it moves.  When it does, there is a square below it which is filled with
> its old background.  An especially big mess can be made when dragging a
> window: in that case parts of the square under the pointer are copied
> over themselves.  As an example I made a screen shot of an xterm, which
> shows the background from a "change virtual desktop with hotkey, then
> move the mouse" situation, where I used the scrollwheel to go up and down
> several times, and which I dragged a little over the desktop.
[...]
> All problems mentioned can be "solved" by forcing a redraw, for example you
> switching to and from a different virtual desktop.  Having to do that all the
> time is quite annoying though.

Have you tried turning off the hardware cursor?  The XF86Config-4 you
supplied has a commented-out line to do exactly this.  (Though I do note
with some disappointment that upstream did not deign to provide a manpage
for the i740 driver.)

-- 
G. Branden Robinson                |     One man's "magic" is another man's
Debian GNU/Linux                   |     engineering.  "Supernatural" is a
branden@debian.org                 |     null word.
http://people.debian.org/~branden/ |     -- Robert Heinlein

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