Cubase important Automation Problem

Hello.
I found a automation problem.

Volume Automation

Original

ASIO buffer2048 (Render in place or bounce)

ASIO Buffer1024 (Render in place or bounce)

ASIO Buffer512 (Render in place or bounce)




The same problem occur even if the buffer size to a minimum.


Please try.
Cubase Project
http://tfpr.org/up/src/up4163.zip


I’m sorry my poor english.
Thank you!