Bug#878221: linux-image-4.9.0-4-amd64: Screen flickers randomly since upgrade from 4.9.0-3 to 4.9.0-4

[Robin Gareus]

Same issue with 4.9.0-4-amd64, same workaround (use 4.9.0-3-amd64)

Thinkpad X250
VGA compatible controller: Intel Corporation HD Graphics 5500 (rev 09)

What information would be relevant or useful to provide?