I've made a patch supporting reading GPU temperatures over aticonfig --odgt interface (available on recent Radeon HD cards). Patch is attached or you can just merge my git.alt repository - http://git.altlinux.org/people/lakostis/packages/?p=gkrellm.git;a=summary
Created attachment 3591 [details] aticonfig support patch
Добавил в 2.3.2-alt2.