From nobody  Mon Mar  3 18:25:21 1997
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Date: Mon, 3 Mar 1997 18:25:21 -0800 (PST)
From: bert@miint.net
To: freebsd-gnats-submit@freebsd.org
Subject: NFS client hangs on umount, ls, df when NFS server is rebooted
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>Number:         2865
>Category:       kern
>Synopsis:       NFS client hangs on umount, ls, df when NFS server is rebooted
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    peter
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Mar  3 18:30:01 PST 1997
>Closed-Date:    Wed Feb 20 02:57:57 PST 2002
>Last-Modified:  Wed Feb 20 03:19:06 PST 2002
>Originator:     Bert Beckmann
>Release:        BSD 2.1.5
>Organization:
Millennia Internet
>Environment:
>Description:
NFS clients hang on all file related commands when an NFS server is
rebooted. The umount command hangs, and all related file commands
hang and can't be kill -9'ed. Re-booting the NFS server doesn't fix
the problem.
>How-To-Repeat:

>Fix:
Re-boot, should be a better way to recover.

>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->dfr 
Responsible-Changed-By: dfr 
Responsible-Changed-When: Wed Apr 30 02:53:13 PDT 1997 
Responsible-Changed-Why:  
I am going to look into fixing this one. 
Responsible-Changed-From-To: dfr->peter 
Responsible-Changed-By: peter 
Responsible-Changed-When: Sun Apr 26 00:38:14 PDT 1998 
Responsible-Changed-Why:  
I'll have a go at this, I've been burned on this too often too. 
State-Changed-From-To: open->closed 
State-Changed-By: iedowse 
State-Changed-When: Wed Feb 20 02:57:57 PST 2002 
State-Changed-Why:  

Fixed in -CURRENT and (just recently) in -STABLE. You can now 
forcibly unmount NFS filesystems even while the server is down and 
there are hung processes waiting on it. 

http://www.FreeBSD.org/cgi/query-pr.cgi?pr=2865 
>Unformatted:
