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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, fw@strlen.de, netfilter-devel@vger.kernel.org
Subject: Re: [TEST] nft-flowtable-sh flaking after pulling first chunk of the merge window
Date: Wed, 29 Jan 2025 12:21:24 +0100	[thread overview]
Message-ID: <Z5oPNA0IFd7-zBts@calendula> (raw)
In-Reply-To: <20250123080444.4d92030c@kernel.org>

Hi Jakub,

On Thu, Jan 23, 2025 at 08:04:44AM -0800, Jakub Kicinski wrote:
> Hi!
> 
> Could be very bad luck but after we fast forwarded net-next yesterday
> we have 3 failures in less than 24h in nft_flowtabl.sh:
> 
> https://netdev.bots.linux.dev/contest.html?test=nft-flowtable-sh
> 
> # FAIL: flow offload for ns1/ns2 with masquerade and pmtu discovery : original counter  2113852 exceeds expected value 2097152, reply counter  60
> https://netdev-3.bots.linux.dev/vmksft-nf/results/960740/11-nft-flowtable-sh/stdout
> 
> # FAIL: flow offload for ns1/ns2 with masquerade and pmtu discovery : original counter  3530493 exceeds expected value 3478585, reply counter  60
> https://netdev-3.bots.linux.dev/vmksft-nf/results/960022/10-nft-flowtable-sh/stdout

this is reporting a flow in forward chain going over the size of the
file, this is a flow that is not follow flowtable path.

> # FAIL: dscp counters do not match, expected dscp3 and dscp0 > 0 but got  1431 , 0 
> https://netdev-3.bots.linux.dev/vmksft-nf/results/960740/11-nft-flowtable-sh-retry/stdout

this is reporting that occasionally a flow does not follow flowtable
path, dscp3 gets bumped from the forward chain.

I can rarely see this last dscp tests FAIL when running this test in a
loop here.

Just a follow up, I am still diagnosing.

  parent reply	other threads:[~2025-01-29 11:21 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-23 16:04 [TEST] nft-flowtable-sh flaking after pulling first chunk of the merge window Jakub Kicinski
2025-01-23 17:10 ` Pablo Neira Ayuso
2025-01-29 11:21 ` Pablo Neira Ayuso [this message]
2025-01-30  1:00   ` Jakub Kicinski
2025-02-05 23:20     ` Pablo Neira Ayuso

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