I'm going to add the output of "dmesg" "/var/log/Xorg.0.log" and the regDump of radeon as maintained here: https://wiki.ubuntu.com/X/Troubleshooting/Freeze#Reporting_GPU_lockup_Bugs
I'm going to add the output of "dmesg" "/var/log/ Xorg.0. log" and the regDump of radeon as maintained here: https:/ /wiki.ubuntu. com/X/Troublesh ooting/ Freeze# Reporting_ GPU_lockup_ Bugs