Visual artifacts with XFree86 4.0.2-7 on a Sony VAIO PCG-735

Hi, debian-laptop folks, I posted this question on the debian-x list a few days ago and got no replies. I'll try a different crowd here: I recently upgraded my Sony VAIO PCG-735 laptop to unstable (sid), including XFree86 4.0.2-7. This laptop uses the Neomagic MagicGraph NM2160 chipset with an 8

Visual artifacts with XFree86 4.0.2-7 on a Sony VAIO PCG-735

Hi, debian-laptop folks, I posted this question on the debian-x list a few days ago and got no replies. I'll try a different crowd here: I recently upgraded my Sony VAIO PCG-735 laptop to unstable (sid), including XFree86 4.0.2-7. This laptop uses the Neomagic MagicGraph NM2160 chipset with an