Date: Fri, 3 Oct 2014 17:50:11 -0400 From: Garrett Wollman <wollman@csail.mit.edu> To: freebsd-fs@freebsd.org Subject: 9.3 NFS client bug? Message-ID: <21551.6675.236161.476053@khavrinen.csail.mit.edu>
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I've been doing some NFS testing, and found some issues with the NFS client in 9.3. This is pretty easily reproducible with bonnie++, but I haven't tried to reduce the size of the workload to make it easier to test or trace. ##### NFSv3 mount, 9.3 client from 9.3 server # bonnie++ -s 0 -n 1024:65536:0:1023:16384 -u 4294967294 -D Using uid:-2, gid:65533. Create files in sequential order...done. Stat files in sequential order...done. Delete files in sequential order...Bonnie: drastic I/O error (rmdir): Directory not empty Cleaning up test directory after error. Identical behavior is observed for a 9.3 client talking to a 9.1 server, and for NFSv4 mounts, but NOT for an Ubuntu 14.04 client talking to the 9.3 server using either NFSv3 or NFSv4. I haven't tried using a 9.2 or 9.1 client (yes, I still have some machines running 9.1 here) to see if the issue is a recently introduced one, nor have I traced the client or server code to see what's actually going on. Has anyone seen this before? -GAWollman
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