Garbage on screen when scrolling source code window

[grecd]

Hello!

When I scroll Firefox it is all ok, but when i scroll source code screen in Code::Blocks I get something like this



http://imagepost.ru/?v=gqvtrgnlxekdkmogaadfcvsuxheeui.png

I use Ubuntu 11.04 Code::Blocks 10.05

I have nvidia videocard

description: VGA compatible controller
product: GT218 [GeForce 210]
vendor: nVidia Corporation
physical id: 0
bus info: pci@0000:01:00.0
version: a2
width: 64 bits
clock: 33MHz
capabilities: vga_controller bus_master cap_list rom
configuration: driver=nvidia latency=0
resources: irq:16 memory:fa000000-faffffff memory:d0000000-dffff



installed packages
nvidia-common 0.2.30
nvidia-settings 270.29-0ubuntu1
nvidia-current 270.41.06-0ubuntu1
jockey-common 0.9.2-0ubuntu5
jockey-gtk 0.9.2-0ubuntu5
xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu7