Shared folder problem in Workstation 10.0.3(VMware tools:9.6.2.31837)

I am using as follows: VMware Workstation 10.0.3(VMware tools:9.6.2.31837).

host os  : Windows7

guest os : CentOS6.5

The guest OS and the host OS, share a folder in the function of the VMware tools.

Problem occurs when the process of CentOS side to write to files in the shared folder.

A simple reproducible method is as follows.

*In the shared folder of CentOS side, run the following command.

# echo abc >> a

# echo def >> a

# cat a

def

#od -x a

00000000 0000 0000 6564 0a66

00000010

Problem does not occur in VMware tools:9.6.1.27366.

Please tell me how to resolve the problem.

Thanks