blender-2.78-af1e48e-win64 on Win 10.
AMD 7870 2GB MSI
Crimson 17.2.1 (latest)
When rendering testm.blend, I got error
In Blender 2.76, I have rendered similar scenes with tile size 512*512 without an issue. Now I can't render it on 16*16.
I don't have problems in other apps which use GPU.