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From: Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: Helmut Sim <simhelmut-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: dev-VfR2kkLFssw@public.gmane.org
Subject: Re: phantom old packets received in new mbuf
Date: Wed, 16 Jul 2014 14:04:01 +0200	[thread overview]
Message-ID: <1912860.PvCxTjHaVZ@xps13> (raw)
In-Reply-To: <CAF8yGaG1j+a8_NoaBKhvBRk7FiJUrG2eM-w2XKNr6tH69JdZdw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

Hi,

2014-07-16 13:56, Helmut Sim:
> then i see that from time to time i get a packet that was already received
> earlier instead of receiving the expected packet.
> the output is:
> PKT 12201
> PKT 12202
> PKT 12203
> PKT 12204
> PKT 12205
> PKT 12206
> PKT 12202
> PKT 12208
> 
> total received pkts is identical to the total delivered pkts, but part of
> the pkts are being received twice...

It's an interesting issue. Could you list drivers and NICs you have tested?
Are you using a virtualized environment?

I think the best tools you can use are logs and gdb.
But maybe someone will have an idea of the cause when you'll describe impacted 
PMDs and environment.

-- 
Thomas

  parent reply	other threads:[~2014-07-16 12:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-06 15:19 phantom old packets received in new mbuf Helmut Sim
     [not found] ` <CAF8yGaFKBYtSMY5so09Q0=Bs=_Y_toTG4w28ZttWVPQPspBtdA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-16 10:56   ` Helmut Sim
     [not found]     ` <CAF8yGaG1j+a8_NoaBKhvBRk7FiJUrG2eM-w2XKNr6tH69JdZdw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-16 12:04       ` Thomas Monjalon [this message]
2014-07-16 12:18         ` Olivier MATZ
     [not found]           ` <53C66DB2.4040605-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-07-16 12:36             ` Helmut Sim
     [not found]               ` <CAF8yGaGkosEDmL3h4bQ9sm86+9=yBLcsyUtMBu+K7ps--J_Rxg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-16 13:22                 ` Helmut Sim
     [not found]                   ` <CAF8yGaG=W5Nj9zH77=Zt8inhFRtRXuC0oVApL-3LFj05NH=9-w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-17  8:39                     ` Helmut Sim

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