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From: Maxim Konovalov <maxim@macomnet.ru>
To: Andre Oppermann <andre@freebsd.org>
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Subject: Re: cvs commit: src/sys/netinet tcp_syncache.c
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> > http://maxim.int.ru/stuff/adsl.dmp.gz
> >
> > 192.168.1.1 -- adsl box
> > 192.168.1.250 -- FreeBSD
>
> The trace looks perfectly fine with regard to timestamps.  They are
> sent and properly reflected by the adsl box.  Everything else looks
> fine too. No anomalies seen.
>
> The syncache check for timestamps wouldn't be triggered anyway
> because it only applies to incoming connections.  Not segments in
> general. Connections initiated by the FreeBSD box never go through
> syncache.
>
> To track down the problem you saw back then, which is very probably
> unrelated to the syncache issue, I would need a trace of a failed
> connection.  For that you need to downgrade.  If you can find time
> for the downgrade I'm happy to find the root cause.
>
I find a kernel from September sitting in /boot.  There are two new
dumps now:

http://maxim.int.ru/stuff/adsl.failed.dmp.gz

The adsl router displays login page but never returns the second page.

http://maxim.int.ru/stuff/adsl.rfc1323=0.dmp.gz

This one works.

-- 
Maxim Konovalov