Ok - did try sudo cat /proc/kmsg Got 1 message as below ... will also try with debug on too.
<6>[ 339.180682] [drm] Setting GART location based on new memory map -- ATI Radeon 9200 / 9250 PCI black screen and console freeze with DRI https://bugs.launchpad.net/bugs/114520 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
