Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 14 Aug 2007 18:57:59 +0400
From:      Eygene Ryabinkin <rea-fbsd@codelabs.ru>
To:        Stefan Lambrev <stefan.lambrev@moneybookers.com>
Cc:        current@freebsd.org
Subject:   Re: "tcpflags 0x18<PUSH,ACK>; tcp_do_segment" kernel messages
Message-ID:  <20070814145759.GB25169@void.codelabs.ru>
In-Reply-To: <46C18B60.8050400@moneybookers.com>
References:  <20070806224112.GA21876@muon.bluestop.org> <20070807073920.GV50228@void.codelabs.ru> <46C18B60.8050400@moneybookers.com>

next in thread | previous in thread | raw e-mail | index | archive | help
Stefan, good day.

Tue, Aug 14, 2007 at 02:00:48PM +0300, Stefan Lambrev wrote:
> >If you were running -CURRENT on the same machine prior to CVSupping,
> >then you probably saw the 'Spurious RST' messages.  They were
> >provoked by the same situation.  The messages themselves are harmless,
> >  
> This is not harmless here :(

Yep, sorry.  What I meant is that 'I had no problems with them' ;))

> I'm running current from today 14.Aug.
> I use an network applications that hangs every time when I see such a message.
> 
> Any ideas how can I debug, or help to someone who is familiar with the code ?

You can provide the tcpdump's raw dump of the session (sniffed with
the -s 1500 or whatever MTU you have).  This may sched some light.

> My colleagues report and problems with ssh and apache on this server.

Haven't seen any with SSH, but Apache tends to close keep-alived
connections on the -CURRENT.  Try disabling them and see if this
will help.

More verbose description of problems your colleagues are seeing
may also help.

Thank you!
-- 
Eygene



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070814145759.GB25169>