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Date: Sat, 1 Aug 2009 08:57:12 GMT
From: Goncharov Yuri <neo@neo.kiev.ua>
To: freebsd-gnats-submit@FreeBSD.org
Subject: nfs nlm memery leak
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>Number:         137327
>Category:       kern
>Synopsis:       [nfs] nfs nlm memery leak
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    dfr
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Aug 01 09:00:09 UTC 2009
>Closed-Date:    
>Last-Modified:  Mon Aug 03 02:29:02 UTC 2009
>Originator:     Goncharov Yuri
>Release:        7.2-RELEASE-p3
>Organization:
KNTelecom Ukraine Ltd
>Environment:
FreeBSD hope.quality.net.ua 7.2-RELEASE-p3 FreeBSD 7.2-RELEASE-p3 #0: Fri Jul 31 21:35:29 EEST 2009     root@hope.quality.net.ua:/usr/src/sys/i386/compile/hope  i386

>Description:
I have two machines i386 as NFS clients
I have 7.1 before and today upgraded to 7.2-RELEASE-p3 but as for me problem hasn't gone.
Periodically on both servers I getting

kmem_map too small with panic
and I chaned all needed parameters to turn it...No result

vmstat -m | grep nfs    showing me 

nfsclient_diroff     1     1K       -        1  512
nfsclient_req     0     0K       -   121469  64,128
nfsclient_nlminfo 388399 12138K       -   388399  32
nfsclient_lock     0     0K       -   388399  512


and this 12138K always growing right after it will get max memory for kernel and it will be panic I think...
I thought after update it was fixed but not... :-(

 
>How-To-Repeat:
Don't know
In fact NFS clients and lot of requests to NFS-server?..

>Fix:


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-i386->dfr 
Responsible-Changed-By: remko 
Responsible-Changed-When: Sat Aug 1 15:08:54 UTC 2009 
Responsible-Changed-Why:  
This might be something for you 

http://www.freebsd.org/cgi/query-pr.cgi?pr=137327 
>Unformatted:
