More info: After todays freeze, I had to manually kill the program.
These errors arised: [23682:23682:0918/130948:ERROR:gpu_channel_host.cc(181)] GpuChannelHost::CreateViewCommandBuffer failed. [23682:23682:0918/130948:ERROR:webgraphicscontext3d_command_buffer_impl.cc(229)] Failed to initialize command buffer. [23682:23682:0918/130948:ERROR:chrome_browser_main_extra_parts_x11.cc(57)] X IO error received (X server probably went away) best regards. -- Arturo Borrero González

