netdev - Re: TCP connection failure in kernel 2.6.25

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Date:	Sun, 27 Apr 2008 18:56:02 +0200
From:	"H. Willstrand" <h.willstrand@...il.com>
To:	"M. Istehbab" <hariskhan@...il.com>
Cc:	netdev@...r.kernel.org
Subject: Re: TCP connection failure in kernel 2.6.25


On Sun, 2008-04-27 at 11:02 +0500, M. Istehbab wrote:
> On Sun, Apr 27, 2008 at 1:27 AM, H. Willstrand <h.willstrand@...il.com> wrote:
> > On Sat, 2008-04-26 at 17:16 +0500, M. Istehbab wrote:
> > > Yes, after a while (it can be a few seconds, minutes, or 1+ hour) the
> > > proxy server starts accepting connections again. I don't need to
> > > reboot the box when this happens.
> > >
> > > This happens randomely to anyone behind it. Then, after a while, it
> > > starts working again by itself.
> > >
> > Well, there are too many possibilities for failures... the Linux
> > distribution (RHEL 3 workstation) was built for 2.4.21 (around year
> > 2003) and you try 2.6.x
> >
> > Maybe you should stick to one of the later 2.4.x kernels or even better
> > upgrade the Linux distribution.
> >
> > Cheers,
> > H. Willstrand
> 
> 
> I didn't have problems with rhel ws3 or with the kernel it came with.
> I removed it in favour of debian a long time back, when debian/etch r0
> was released.
> 
> I have been running debian etch r2 (4.0 r2) ever since, which comes
> with kernel (2.6.18-5-686). As you might notice from the mentioned
> kernel versions, I tried upgrading to kernels from lenny/debian and
> sid/debian hoping to find a solution. I tried from 2.3.13 - 2.6.25
> from both debian packages and vanilla sources (as they are called),
> but the problem persists. It started and is continuing on debian.
> 
So, you have the same issue with all tested kernels
RHEL 3 works, Debian fails

This smells configuration failure, you better compare your working
configuration with the others.

// H.Willstrand

> I have 2 ISPs hooked into this box. One is CIR, the other is ADSL. The
> ADSL runs over pppoe. I don't know if the 2.4.x kernels support pppoe.
> The 2.6.x kernels do. I need to run 2 ISPs on this box seemlessly.
> 
> The last rhel version I used was using kernel 2.6.9. I'm going to grab
> that and see if that helps.
> 
> I need pppoe, iptables, vpn, scsi with raid support, smp, and a around
> 8000 file descriptors to run stable on this box.
> 
> M. Istehbab

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