linux-kernel - Re: 2.6.23-rc8 network problem. Mem leak? ip1000a?

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Message-Id: <20070928022051.a6f27b1e.akpm@linux-foundation.org>
Date:	Fri, 28 Sep 2007 02:20:51 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	linux@...izon.com
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: 2.6.23-rc8 network problem.  Mem leak?  ip1000a?

On 27 Sep 2007 22:06:17 -0400 linux@...izon.com wrote:

> Uniprocessor Althlon 64, 64-bit kernel, 2G ECC RAM,
> 2.6.23-rc8 + linuxpps (5.0.0) + ip1000a driver.
> (patch from http://marc.info/?l=linux-netdev&m=118980588419882)
> 
> After a few hours of operation, ntp loses the ability to send packets.
> sendto() returns -EAGAIN to everything, including the 24-byte UDP packet
> that is a response to ntpq.
> 
> ...
>
> Killing and restarting ntpd gets it running again for a few hours.
> Here's after about two hours of successful operation.  (I'll try to
> remember to run slabinfo before killing ntpd next time.)

ntpd.  Sounds like pps leaking to me.

> 
> Can anyone offer some diagnosis advice?
> 

CONFIG_DEBUG_SLAB_LEAK?
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