netdev - Re: two other cases Re: [Bug 11721] after upgrade to 2.6.27 i cannot navigate

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Message-ID: <Pine.LNX.4.64.0810211333290.7072@wrl-59.cs.helsinki.fi>
Date:	Tue, 21 Oct 2008 13:51:10 +0300 (EEST)
From:	"Ilpo Järvinen" <ilpo.jarvinen@...sinki.fi>
To:	Jarek Poplawski <jarkao2@...il.com>
cc:	Aldo Maggi <sentiniate@...cali.it>,
	Netdev <netdev@...r.kernel.org>, bugme-daemon@...zilla.kernel.org
Subject: Re: two other cases Re: [Bug 11721] after upgrade to 2.6.27 i	cannot
 navigate

On Tue, 21 Oct 2008, Jarek Poplawski wrote:

> On Tue, Oct 21, 2008 at 12:36:33PM +0300, Ilpo Järvinen wrote:
> ...
> > Can you try this another debug patch below (on 2.6.27.2 is fine). It moves 
> > the mss to the last position but should keep timestamps in place by making 
> > wscale as first option. It is well possible that you won't get it working 
> > at all except with all ts,sack and wscale set to 0 (the most likely 
> > result). Please try with all wscale,sack,ts combinations (no need to 
> > provide dumps, just working/not working per case)... This should 
> > tell us for quite high certaintity what is the actual option which is 
> > causing this (would it not be the mss-at-beginning which is the most 
> > likely cause), [...]
> 
> I'd like to remind it seems to work with only sack off, so mss after
> ts. If so, my suspicion would be around rfc's/options' dating?

Thanks, I missed that case... there are so many cases already... :-)
...I'm not sure we'll find some very obvious reason for this, rfc dating 
probably has very little to do here.

I still think that putting an alternative option in front is useful test 
(though my initial mss-at-beginning thought wasn't bullet-proof) but 
maybe we could skip all those alternative settings of wscale,sack,ts and 
have them just all enabled.


-- 
 i.