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Date: Thu, 17 Apr 1997 12:10:02 -0700 (PDT)
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From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
Subject: Re: kern/3304: NFS V2 readdir hangs
Reply-To: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
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The following reply was made to PR kern/3304; it has been noted by GNATS.

From: Garrett Wollman <wollman@khavrinen.lcs.mit.edu>
To: Thomas David Rivers <ponds!rivers@dg-rtp.dg.com>
Cc: freebsd-gnats-submit@freefall.freebsd.org
Subject: Re: kern/3304: NFS V2 readdir hangs
Date: Thu, 17 Apr 1997 15:04:57 -0400 (EDT)

 <<On Thu, 17 Apr 1997 09:30:02 -0700 (PDT), Thomas David Rivers <ponds!rivers@dg-rtp.dg.com> said:
 
 >   It appears that nfs_receive() calls soreceive() which calls sbwait()
 >  waiting on a UDP packet to be received..  That's fine.
  
 >   Then, another nfs_request() is issued; calling nfs_receive() which
 >  winds down to sbwait() as well.
  
 >   Then, the udp packet from the first call is received; we wake up the
 >  *second* caller and get everything out-of-sync.
 
 This is perfectly reasonable behavior for soreceive().  NFS is clearly
 broken here.  NFS needs its own response-demultiplexing layer, it
 seems.
 
 -GAWollman
 
 --
 Garrett A. Wollman   | O Siem / We are all family / O Siem / We're all the same
 wollman@lcs.mit.edu  | O Siem / The fires of freedom 
 Opinions not those of| Dance in the burning flame
 MIT, LCS, CRS, or NSA|                     - Susan Aglukark and Chad Irschick