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Re: [lvs-users] Handling Duplicate ACKs, and a Game of Pong.

To: Julian Anastasov <ja@xxxxxx>
Subject: Re: [lvs-users] Handling Duplicate ACKs, and a Game of Pong.
Cc: lvs-users@xxxxxxxxxxxxxxxxxxxxxx, chchen@xxxxxxx
From: Charlie Allom <charlie@xxxxxxxxxxxxxx>
Date: Mon, 28 Mar 2011 22:52:07 +0100
Hi,

Confirmed - my issue is now gone with your patches applied to
    2.6.35-25-server #44~lucid1

Thanks again,

  C.

On Sun, Mar 27, 2011 at 07:05:22PM +0100, Charlie Allom 
<charlie@xxxxxxxxxxxxxx> wrote:
> On Sun, Mar 27, 2011 at 08:10:36PM +0300, Julian Anastasov <ja@xxxxxx> wrote:
> > 
> > On Sun, 27 Mar 2011, Charlie Allom wrote:
> > > 
> > > Yes my symptom is a rogue ACK/FIN/RST (same seq/ack #) that is sent 
> > > multiple
> > > times from director -> backupdirector, and then the backupdirector ping
> > > pongs that packet on its loopback interface at up to 800Mbps and brings
> > > down the machine with interrupts.
> > 
> >     From the provided information the symptoms very
> > much look like the problem discusses in this thread:
> > 
> > http://marc.info/?t=128428786100001&r=1&w=2
> 
> Wow thanks Julian! Lots of good info in that thread. I will try some of
> the workarounds and patches, and let you know :)
> 
>   C.
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