[DragonFlyBSD - Bug #2277] tmpfs can't be nfs exported

Venkatesh Srinivas via Redmine bugtracker-admin at leaf.dragonflybsd.org
Thu Feb 2 14:53:35 PST 2012

Issue #2277 has been updated by Venkatesh Srinivas.

Hmm, what OS for NFS client? How did you mount the tmpfs? I tested w/ a Linux 3.0.0-15 client, no such problems. Even ran fsx against it for a day before committing.


venkatesh at atlantis:/tmp/x$ cat ../typescript 
Script started on Thu 02 Feb 2012 05:49:51 PM EST 
atlantis% cp /tmp/qvsf.c /tmp/x
atlantis% ls -la /tmp/x/qvsf.c 
-rw-r--r-- 1 me root 3922 2012-02-02 17:50 /tmp/x/qvsf.c
atlantis% cat /tmp/x/qvsf.c 
 * Quad-midvalue selection filter (QMVS) SF
 * From four sensors, each of which can have noise, how do you select a 
 * correct value, given that sensors can fail?

atlantis% ls -la /tmp/x
total 8
drwxrwxrwt 25 root root 4096 2012-02-02 17:50 ..
-rw-r--r--  1 me   root 3922 2012-02-02 17:50 qvsf.c
atlantis% exit

Script done on Thu 02 Feb 2012 05:50:33 PM EST

Bug #2277: tmpfs can't be nfs exported

Author: Thomas Nikolajsen
Status: New
Priority: Normal
Assignee: Venkatesh Srinivas
Target version: 

Using fresh master (January 17th 2012)
nfs export of tmpfs mount point fails.

Errors from mountd(8) in /var/log/messages are:
can't export /tmp
bad exports list line /tmp -maproot

/etc/exports line: /tmp -maproot=root

(nfs export of mfs mount point works)


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