Pubudu Kodikara, thank you for providing the requested information. Please be advised that while placing a bug report at ati.cchtml.com is one more way to increase your chances of this being fixed as soon as possible, it's not maximizing it. This is how as per AMD http://support.amd.com/us/gpudownload/linux/Pages/radeon_linux.aspx , ati.cchtml.com is a community resource, and is not supported by, or affiliated with AMD in any way.
Pubudu Kodikara, thank you for providing the requested information. Please be advised that while placing a bug report at ati.cchtml.com is one more way to increase your chances of this being fixed as soon as possible, it's not maximizing it. This is how as per AMD http:// support. amd.com/ us/gpudownload/ linux/Pages/ radeon_ linux.aspx , ati.cchtml.com is a community resource, and is not supported by, or affiliated with AMD in any way.
Hence, could you please contact AMD directly through official support channels and report the results via https:/ /help.ubuntu. com/community/ BinaryDriverHow to/ATI# Official_ AMD_support_ channels ?
As well, regarding your overheat with the open source driver, you are welcome to file a separate bug against linux following https:/ /wiki.ubuntu. com/Kernel/ Debugging/ HighTemperature s . Please note WORKAROUNDs at https:/ /wiki.ubuntu. com/Kernel/ Debugging/ HighTemperature s#Working_ around_ overheat .
Marking Importance High as this a "problem with an essential hardware component (video card)", and open source drivers suffer from overheat.