I tried to disable DMA this time (patch applied, external monitor disconnected):
Section "Device" Identifier "Configured Video Device" Option "EnableAGPDMA" "false" Option "NoAGPFor2D" Option "NoXVDMA" EndSection The result is system freeze. ** Attachment added: "Xorg.0.log-patched-DMA_disabled-external_monitor_disconnected" http://launchpadlibrarian.net/28454174/Xorg.0.log-patched-DMA_disabled-external_monitor_disconnected -- [K8M800] mouse pointer corruptly displayed at the bottom of the X screen https://bugs.launchpad.net/bugs/386740 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-openchrome in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp