From: Nick Couchman <nick-lists@seakr.com>
Subject: Root Over NFS Memory Problem
Date: Wed, 03 Mar 2004 10:58:00 -0700
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To: nfs@lists.sourceforge.net
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I'm trying to run a few clients using NFS for the root filesystem.  I'm
having a problem with what appears to be a memory "leak" (I'm not sure
it's actually a leak, but for all intents and purposes, it is).  What
happens is that I lose 8k of free memory every time I run a command. 
For example, if I repeatedly run the "free" command, the free memory
will drop 8k each time I run it.  If I instead run "free -s 1" (telling
free to update at 1 second intervals), it drops a couple of times and
then levels out.  The problem is bad enough that one of the clients ran
out of memory (swap - on a local hard drive - and physical RAM) the
other night and "kernel panicked".  The clients are running kernel
version 2.4.22 with the OpenMosix patch (2.4.22 seems to be the latest
"stable" OpenMosix version).  Has anyone run across this problem
before?  Any ideas what I can do to fix it?  Is it a known NFS bug in
2.4.22 that is fixed in later versions?  (I'm about to try another
version of the kernel which might give me an answer to that, but I
thought I'd ask).

Thanks in advance!
-- 
Nick Couchman <nick-lists@seakr.com>


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