Willy,

Following are the answers to your question;

Are the faulty kernels up to date or were there fixes available past the
listed versions above ?
2.6.32*-42-server (everything after the dash, -, is Ubuntu's versioning) is
the most updated revision available for 2.6.32 kernel in Ubuntu lucid
repository.  and same with *2.6.35*-32-generic.

Also, I have not experienced any issue with 2.6.32.59 nor with 2.6.35.14,
so if your kernels are based on these, maybe it is an issue with the
distro's kernel ?
Yes I agree...

BTW, I'm assuming you're running your tests as root,since this is required
for transparent binding.
Yes I am running haproxy as root.

-Rahul N.

On Mon, Sep 10, 2012 at 7:21 PM, Willy Tarreau <[email protected]> wrote:

> Hi Rahul,
>
> On Mon, Sep 10, 2012 at 07:07:05PM +0530, Rahul Nair wrote:
> > Team,
> >
> > Sorry for troubling you guys again....
> > Today while testing HAProxy+TPROXY setup I observed that few versions of
> > kernel was not compatible.
> >
> > In debug logs I got following errors:
> > [...]
> > 00000034:Apps-ssl.clicls[0017:0018]
> > 00000034:Apps-ssl.closed[0017:0018]
> > 00000035:Apps-ssl.accept(000d)=0017 from [xxx.xxx.xx.x:58617]
> > [ALERT] 252/021407 (3683) : Cannot bind to tproxy source address before
> > connect() for proxy Apps-ssl. Aborting.
> > [ALERT] 252/021407 (3683) : Cannot bind to tproxy source address before
> > connect() for proxy Apps-ssl. Aborting.
> > [ALERT] 252/021407 (3683) : Cannot bind to tproxy source address before
> > connect() for proxy Apps-ssl. Aborting.
> > [ALERT] 252/021407 (3683) : Cannot bind to tproxy source address before
> > connect() for proxy Apps-ssl. Aborting.
> > [...]
> >
> > *OS used: *Ubuntu 10.04
> >
> > *On further investigation Following kernel versions are affected by the
> > compatibility issue:*
> > *2.6.32*-41-server
> > *2.6.32*-42-server
> > *2.6.35*-32-generic
> > *2.6.35*-32-generic
> >
> > *Following kernels are found compatible:*
> > *2.6.35*-22-server
> > *2.6.32*-24-server
> > *2.6.38*-15-server
> >
> > I prefer to use *2.6.38*-15-server, I will like to take advise of the
> group
> > if I am moving towards right direction.
>
> This reminds me of older issues related to an address binding regression
> which used to affect listening addresses. Are the faulty kernels up to
> date or were there fixes available past the listed versions above ?
>
> Also, I have not experienced any issue with 2.6.32.59 nor with 2.6.35.14,
> so if your kernels are based on these, maybe it is an issue with the
> distro's kernel ? BTW, I'm assuming you're running your tests as root,
> since this is required for transparent binding.
>
> Regards,
> Willy
>
>


-- 
-Rahul N.
IT Department
In2M Technologies Pvt Ltd. (Finicity)
Website: www.finicity.com/india

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