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Bug#535460: nfs-kernel-server: Consumes memory indefinitely and results in kernel panic eventually



On 08/06/2011 12:12 AM, Jonathan Nieder wrote:
Hi Youssef,

Youssef Eldakar wrote:

I am using nfs-kernel-server with Kerberos authentication to export 
/home to a cluster of over a thousand nodes. While nfs-kernel-server is 
running, memory usage goes up indefinitely on the NFS server. After 
several days, the system crashes with a kernel panic due to being out of 
memory. If I stop nfs-kernel-server, memory usage appears to go down 
slowly.
Hm, that's no good.  Sorry for the long silence.  I have no better
advice than

 - try as recent a kernel as possible

 - try a custom kernel with CONFIG_DEBUG_KMEMLEAK enabled to make
   the problem easier to track down.
Thanks for the advice.

Is this a regression (i.e., did previous kernel versions work okay)?
I am not sure if this is a regression. In the cluster, NFS was replaced with OpenAFS, so I am not sure if the issue still exists with a recent software installation since this was a while ago. However, if you are interested, I might be able to set up a new test environment.

-- 
Youssef Eldakar
Bibliotheca Alexandrina

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