1. without proprietary driver
2. with proprietary driver (dumping information by "dpkg -l | grep fglrx")
ii fglrx-amdcccle-experimental-13 2:13.101-0ubuntu0.0.2 Catalyst Control Center for the AMD graphics accelerators
ii fglrx-experimental-13 2:13.101-0ubuntu0.0.2 Video driver for the AMD graphics accelerators
machine 201209-11789 with image 12.04.3 and
1. without proprietary driver experimental- 13 2:13.101- 0ubuntu0. 0.2 Catalyst Control Center for the AMD graphics accelerators tal-13 2:13.101- 0ubuntu0. 0.2 Video driver for the AMD graphics accelerators
2. with proprietary driver (dumping information by "dpkg -l | grep fglrx")
ii fglrx-amdcccle-
ii fglrx-experimen
both of the cases didn't show this bug.