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Subject: [Bug 204890] named pipes (FIFOs) not seen as such over NFS
Date: Sun, 29 Nov 2015 18:21:44 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D204890

--- Comment #3 from Mikhail Teterin <mi@FreeBSD.org> ---
Created attachment 163657
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D163657&action=
=3Dedit
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 192.168.1.8:/green /mnt
   % ls -l /mnt/tmp/test
   ?rw-r--r--  1 mi  wheel  0 29 =D0=BB=D0=B8=D1=81 00:05 /mnt/tmp/test

The new:

   % mount 192.168.1.2:/spare /mnt
   % mkfifo /spare/fifo
   % ls -l /spare/fifo /mnt/fifo
   prw-r--r--  1 root  wheel  0 29 =D0=BB=D0=B8=D1=81 13:12 /mnt/fifo
   prw-r--r--  1 root  wheel  0 29 =D0=BB=D0=B8=D1=81 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 tim=
e of=20
r291365.

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

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