From: Florian Westphal <fw@strlen.de>
To: Jaco Kroon <jaco@uls.co.za>
Cc: Neal Cardwell <ncardwell@google.com>,
Florian Westphal <fw@strlen.de>,
Eric Dumazet <edumazet@google.com>,
LKML <linux-kernel@vger.kernel.org>,
Netdev <netdev@vger.kernel.org>,
Yuchung Cheng <ycheng@google.com>, Wei Wang <weiwan@google.com>
Subject: Re: linux 5.17.1 disregarding ACK values resulting in stalled TCP connections
Date: Sat, 2 Apr 2022 16:14:10 +0200 [thread overview]
Message-ID: <20220402141410.GE28321@breakpoint.cc> (raw)
In-Reply-To: <429dd56b-8a6c-518f-ccb4-fa5beae30953@uls.co.za>
Jaco Kroon <jaco@uls.co.za> wrote:
> Including sysctl net.netfilter.nf_conntrack_log_invalid=6- which
> generates lots of logs, something specific I should be looking for? I
> suspect these relate:
>
> [Sat Apr 2 10:31:53 2022] nf_ct_proto_6: SEQ is over the upper bound
> (over the window of the receiver) IN= OUT=bond0
> SRC=2c0f:f720:0000:0003:d6ae:52ff:feb8:f27b
> DST=2a00:1450:400c:0c08:0000:0000:0000:001a LEN=2928 TC=0 HOPLIMIT=64
> FLOWLBL=867133 PROTO=TCP SPT=48920 DPT=25 SEQ=2689938314 ACK=4200412020
> WINDOW=447 RES=0x00 ACK PSH URGP=0 OPT (0101080A2F36C1C120EDFB91) UID=8
> GID=12
I thought this had "liberal mode" enabled for tcp conntrack?
The above implies its off.
next prev parent reply other threads:[~2022-04-02 14:14 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-30 0:56 linux 5.17.1 disregarding ACK values resulting in stalled TCP connections Jaco
2022-03-30 2:01 ` Neal Cardwell
2022-03-30 2:40 ` Eric Dumazet
2022-03-30 2:58 ` Jaco Kroon
2022-03-30 3:48 ` Eric Dumazet
2022-03-30 6:22 ` Jaco Kroon
2022-03-30 13:56 ` Neal Cardwell
2022-03-30 15:00 ` Jaco Kroon
2022-03-30 16:19 ` Eric Dumazet
2022-03-31 15:41 ` Neal Cardwell
2022-03-31 23:06 ` Jaco Kroon
2022-04-01 0:10 ` Eric Dumazet
2022-04-01 0:15 ` Florian Westphal
2022-04-01 11:54 ` Jaco Kroon
2022-04-01 12:09 ` Florian Westphal
2022-04-01 0:33 ` Jaco Kroon
2022-04-01 0:41 ` Eric Dumazet
2022-04-01 0:54 ` Eric Dumazet
2022-04-01 11:36 ` Jaco Kroon
2022-04-01 13:54 ` Eric Dumazet
2022-04-01 14:50 ` Neal Cardwell
2022-04-01 15:39 ` Neal Cardwell
2022-04-01 15:48 ` Neal Cardwell
2022-04-02 8:42 ` Jaco Kroon
2022-04-02 13:20 ` Eric Dumazet
2022-04-02 22:02 ` Jaco Kroon
2022-04-02 14:14 ` Florian Westphal [this message]
2022-04-02 15:57 ` Neal Cardwell
2022-04-02 21:51 ` Jaco Kroon
2022-04-02 16:29 ` Neal Cardwell
2022-04-02 16:32 ` Eric Dumazet
2022-04-02 18:04 ` Neal Cardwell
2022-04-06 13:58 ` Florian Westphal
2022-04-06 19:04 ` Jozsef Kadlecsik
2022-04-07 10:26 ` Florian Westphal
2022-04-07 12:48 ` Jozsef Kadlecsik
2022-04-21 21:14 ` Eric Dumazet
2022-04-25 9:29 ` Florian Westphal
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