Comment 174 for bug 256142

https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/256142/comments/47

I do not have the issue anymore as I downgraded KDE to version 3, see Xorg.0.log relevant entries:

(II) intel(0): Fixed memory allocation layout:
(II) intel(0): 0x00000000-0x0001ffff: ring buffer (128 kB)
(II) intel(0): 0x00020000-0x00024fff: HW cursors (20 kB)
(II) intel(0): 0x00025000-0x0002cfff: logical 3D context (32 kB)
(II) intel(0): 0x007df000: end of stolen memory
(II) intel(0): 0x007df000-0x007dffff: overlay registers (4 kB, 0x00000000271fa000 physical
)
(II) intel(0): 0x007e0000-0x011a3fff: front buffer (10000 kB)
(II) intel(0): 0x011a4000-0x02eeffff: exa offscreen (30000 kB)
(II) intel(0): 0x02ef0000-0x038b3fff: back buffer (10000 kB)
(II) intel(0): 0x038b4000-0x04277fff: depth buffer (10000 kB)
(II) intel(0): 0x04278000-0x06277fff: classic textures (32768 kB)
(II) intel(0): 0x08000000: end of aperture
(II) intel(0): Output configuration:
(II) intel(0): Pipe A is on
(II) intel(0): Display plane A is now enabled and connected to pipe A.
(II) intel(0): Output VGA is connected to pipe A
(II) intel(0): [drm] mapped front buffer at 0xe07e0000, handle = 0x2c0fc000
(II) intel(0): [drm] dma control initialized, using IRQ 16