[solved]Steam in Refinery Missing

[anti-trend]

The visual effects for the steam puzzle in the refinery area aren't visible. As a result, the puzzle isn't playable.

Test Host:
Penumbra E1 1.01
Debian Sid
Kernel 2.6.18
NVIDIA Driver Version: 1.0-9755
Direct Rendering: Yes
OpenGL renderer string: GeForce 6800 GT/AGP/SSE/3DNOW!
AMD Athlonâ„¢ XP 3000+
MemTotal: 1036128 kB

As you can see by the screenshot, I've turned the graphics to defaults for reproduction, but with the same results. Logs and save file attached.