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Date:      Thu, 3 Jul 1997 14:41:36 +0100 (WEST)
From:      jmg@bug.fe.up.pt
To:        FreeBSD-gnats-submit@FreeBSD.ORG
Subject:   kern/4021: Local mount of a local NFS exported directory crashes system
Message-ID:  <199707031341.OAA20141@garfield.net>
Resent-Message-ID: <199707031350.GAA10582@hub.freebsd.org>

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>Number:         4021
>Category:       kern
>Synopsis:       Local mount of a local NFS exported directory crashes system
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jul  3 06:50:01 PDT 1997
>Last-Modified:
>Originator:     Jorge Goncalves
>Organization:
>Release:        FreeBSD 2.2-STABLE i386
>Environment:

This only happens in the NFS v3 code therefore 2.1.x is immune.

>Description:

When mounting a local directory via NFS to the same machine and doing any
operation involving the NFS mounted directory the machine simply freezes.

>How-To-Repeat:

mount -t nfs 127.0.0.1:/var /mnt
cd /mnt/tmp
dd if=/dev/zero of=foo count=10000

>Fix:

I have no idea.

>Audit-Trail:
>Unformatted:



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