netdev - Re: [PATCHv3 0/2] IPVS: Add Generic Netlink configuration interface

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Message-ID: <20080809142331.GA3497@verge.net.au>
Date:	Sun, 10 Aug 2008 00:23:33 +1000
From:	Simon Horman <horms@...ge.net.au>
To:	Julius Volz <juliusv@...gle.com>
Cc:	julius.volz@...il.com, netdev@...r.kernel.org,
	lvs-devel@...r.kernel.org, kaber@...sh.net, davem@...emloft.net,
	tgraf@...g.ch, vbusam@...gle.com
Subject: Re: [PATCHv3 0/2] IPVS: Add Generic Netlink configuration interface

On Fri, Aug 08, 2008 at 02:06:43PM +0200, Julius Volz wrote:
> On Fri, Aug 08, 2008 at 12:26:09PM +1000, Simon Horman wrote:
> > these patches seem fine to me, however I am still seeing an oops
> > when using the new ipvsadm. Are we sure that this bug is in generic
> > code?
> > 
> > # ipvsadm -A -t 10.4.0.132:80
> > # ipvsadm -C
> > BUG: unable to handle kernel NULL pointer dereference at 00000028
> > IP: [<c021f034>] ip_vs_genl_set_cmd+0x254/0x494
> > *pde = 00000000 
> > Oops: 0000 [#1] 
> 
> Ah, that made me find a bug where svc wasn't initialized to NULL at the
> beginning of ip_vs_genl_set_cmd(). I'm not sure though if that was the
> problem or if it still is some general genl issue. I just posted a newer
> version version in response to my earlier post, could you give it a try?
> 
> Best with this updated ipvsadm:
> http://www-user.tu-chemnitz.de/~volz/ipvsadm-1.25-nl-3.tar.gz
> (later also at http://sixpak.org/vince/google/ipvsadm/)

Hi Julius,

your latest patch does resolve the problem that I was seeing
with ipvsadm-1.25-nl-2. ipvsadm-1.25-nl-3 also works :-)

I'd like to try and stress it out a bit more.
I will try and get to that tomorrow or on Monday.

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