Python mknod(... stat.S_IFSOCK) failure

[Rob Browning <rlb@defaultvalue.org>]

I'm trying to track down a problem with bup, and wondering why this
fails on falla in a sid chroot:

  $ python -c 'import os, stat; os.mknod("foo", 0600 | stat.S_IFSOCK);'
  ...
  OSError: [Errno 22] Invalid argument

Just wanted to check to see if this might be a known difference with
respect to kFreeBSD before I dig deeper, assuming I get time.

Thanks
-- 
Rob Browning
rlb @defaultvalue.org and @debian.org
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