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From: Paolo Abeni <pabeni@redhat.com>
To: Mat Martineau <mathew.j.martineau@linux.intel.com>
Cc: mptcp@lists.linux.dev, fwestpha@redhat.com
Subject: Re: [PATCH mptcp-next 7/7] selftests: mptcp: add testcase for active-back
Date: Fri, 09 Jul 2021 09:04:11 +0200	[thread overview]
Message-ID: <97a1fff6a2619dc3b16700252ea5d0167ec98b6b.camel@redhat.com> (raw)
In-Reply-To: <15d981a-acb3-61c0-1a79-ea703b1db2c9@linux.intel.com>

On Thu, 2021-07-08 at 17:51 -0700, Mat Martineau wrote:
> On Mon, 28 Jun 2021, Paolo Abeni wrote:
> 
> > Add more test-case for link failures scenario,
> > including recovery from link failure using only
> > backup subflows and bi-directional transfer.
> > 
> > Additionally explicitly check for stale count
> > 
> 
> I get a lot of intermittent failures due to the expected stale count 
> range, like this:
> 
> 15 multiple flows, signal, bidirectional, link failure syn[ ok ] - synack[ ok ] - ack[ ok ]
>                                          add[ ok ] - echo  [ ok ]
>                                          stale[fail] got 19 stale[s] 18 recover[s],   expected stale in range [1..5],  stale-recover delta 1
> 
> 02 multiple flows, signal, bidirectional, link failure syn[ ok ] - synack[ ok ] - ack[ ok ]
>                                          add[ ok ] - echo  [ ok ]
>                                          stale[fail] got 11 stale[s] 10 recover[s],   expected stale in range [1..5],  stale-recover delta 1
> 
> 02 multiple flows, signal, bidirectional, link failure syn[ ok ] - synack[ ok ] - ack[ ok ]
>                                          add[ ok ] - echo  [ ok ]
>                                          stale[fail] got 51 stale[s] 50 recover[s],   expected stale in range [1..5],  stale-recover delta 1
> 
> 
> and
> 
> 
> 18 backup subflow in use, bidirectional, link failure syn[ ok ] - synack[ ok ] - ack[ ok ]
>                                          add[ ok ] - echo  [ ok ]
>                                          stale[fail] got 8 stale[s] 6 recover[s],   expected stale in range [2..4],  stale-recover delta 2
> 
> 05 backup subflow in use, bidirectional, link failure syn[ ok ] - synack[ ok ] - ack[ ok ]
>                                          add[ ok ] - echo  [ ok ]
>                                          stale[fail] got 8 stale[s] 6 recover[s],   expected stale in range [2..4],  stale-recover delta 2

Ouch, I though I solved these ones :(

I agree not merging before addressing the above. I can't have a look
before next week.

Cheers,

Paolo


  reply	other threads:[~2021-07-09  7:04 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-28 15:54 [PATCH mptcp-next 0/7] mptcp: refactor active backup Paolo Abeni
2021-06-28 15:54 ` [PATCH mptcp-next 1/7] mptcp: more accurate timeout Paolo Abeni
2021-06-28 15:54 ` [PATCH mptcp-next 2/7] mptcp: less aggressive retransmission stragegy Paolo Abeni
2021-06-28 15:54 ` [PATCH mptcp-next 3/7] mptcp: handle pending data on closed subflow Paolo Abeni
2021-07-09  0:44   ` Mat Martineau
2021-06-28 15:54 ` [PATCH mptcp-next 4/7] mptcp: faster active backup recovery Paolo Abeni
2021-06-28 15:54 ` [PATCH mptcp-next 5/7] mptcp: add mibs for stale subflows processing Paolo Abeni
2021-06-28 15:54 ` [PATCH mptcp-next 6/7] mptcp: backup flag from incoming MPJ ack option Paolo Abeni
2021-06-28 15:54 ` [PATCH mptcp-next 7/7] selftests: mptcp: add testcase for active-back Paolo Abeni
2021-07-09  0:51   ` Mat Martineau
2021-07-09  7:04     ` Paolo Abeni [this message]
2021-07-09  1:13 ` [PATCH mptcp-next 0/7] mptcp: refactor active backup Mat Martineau

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