[Bug 204890] named pipes (FIFOs) not seen as such over NFS

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Nov 29 18:21:44 UTC 2015


--- Comment #3 from Mikhail Teterin <mi at FreeBSD.org> ---
Created attachment 163657
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=163657&action=edit
tcpdump-capture of NFS-client doing an ls

Attaching the tcpdump-capture as requested by Rick by e-mail.

Meanwhile, I tested the two computers mounting their own shares. The old:

   % mount /mnt
   % ls -l /mnt/tmp/test
   ?rw-r--r--  1 mi  wheel  0 29 лис 00:05 /mnt/tmp/test

The new:

   % mount /mnt
   % mkfifo /spare/fifo
   % ls -l /spare/fifo /mnt/fifo
   prw-r--r--  1 root  wheel  0 29 лис 13:12 /mnt/fifo
   prw-r--r--  1 root  wheel  0 29 лис 13:12 /spare/fifo

I then mounted the other way -- with the old system being the NFS-client -- and
could not see the bug either. I think, this points conclusively at a bug in
NFS-server of 10.2-STABLE #0 r289145 -- which must've been fixed by the time of 

I'll rebuild the kernel on the old server to confirm...

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