Apologies, I see this was reported 18h before me. I had checked for bugs against 'intel-gpu-tools' but missed looking at the correct package -- exacerbated by bugs.debian.org having some sort of proxy/cache issue, failing many page loads.
- Bug#1125172: igt-gpu-tools: transition from intel-gpu-tools to... Bela Lubkin
- Bug#1125172: trivial workaround for igt-gpu-tools bug #11... Bela Lubkin
- Bug#1125172: close as duplicate of #1125066 Bela Lubkin
