"Some people are reporting crashes either at the login screen (gdm) or later using some applications. xorg-server is 1.5, openchrome is 0.2.903 or 0.2.903 plus panel/hw cursor patch. These crashes are workaround'ed by using the XaaNoImageWriteRect? option. Affected hardware includes at least P4M900, K8M890 and VM800... "
This bug is well known in Openchrome project.
Also exist in Fedora distribution.
Here is the link to this bug:
http:// www.openchrome. org/trac/ ticket/ 263
"Some people are reporting crashes either at the login screen (gdm) or later using some applications. xorg-server is 1.5, openchrome is 0.2.903 or 0.2.903 plus panel/hw cursor patch. These crashes are workaround'ed by using the XaaNoImageWrite Rect? option. Affected hardware includes at least P4M900, K8M890 and VM800... "