Charles-Francois Natali <neolo...@free.fr> added the comment:

> Well, this looks like a filesystem problem more than a Python problem.
The error (errno 2) comes from the mknod() system call itself.

Definitely.

@Nikratio
Just to be sure, could you provide the result of:
- strace ~/tmp/test.py from NFS-mounted directory
- the relevant line of "mount" output
- "nfsstat -a" on client (and maybe server)

But you should know that mknod is disabled on some NFS servers for security 
reasons, and see man mknod:
"       POSIX.1-2001 says: "The only portable use of mknod() is to create a 
FIFO-
       special file.  If mode is not S_IFIFO or dev is not 0, the behavior of 
mknod()
       is unspecified."  However, nowadays one should never use mknod() for this
       purpose; one should use mkfifo(3), a function especially defined for this
       purpose.

       Under Linux, this call cannot be used to create directories.  One should 
make
       directories with mkdir(2).

       There are many infelicities in the protocol underlying NFS.  Some of 
these
       affect mknod()."

So try to avoid mknod over NFS...

----------
nosy: +neologix

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