netdev - Re: [linus:master] [tcp] 23e89e8ee7: packetdrill.packetdrill/gtests/net/tcp/fastopen/client/simultaneous-fast-open

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Message-ID: <CANn89i+Bia9PdGhAVfRbbubYo37+g+ej68qp32JmU88tsLLuRQ@mail.gmail.com>
Date: Thu, 25 Jul 2024 10:07:21 +0200
From: Eric Dumazet <edumazet@...gle.com>
To: kernel test robot <oliver.sang@...el.com>
Cc: Kuniyuki Iwashima <kuniyu@...zon.com>, oe-lkp@...ts.linux.dev, lkp@...el.com, 
	linux-kernel@...r.kernel.org, Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org
Subject: Re: [linus:master] [tcp] 23e89e8ee7: packetdrill.packetdrill/gtests/net/tcp/fastopen/client/simultaneous-fast-open_ipv4-mapped-v6.fail

On Thu, Jul 25, 2024 at 6:55 AM kernel test robot <oliver.sang@...el.com> wrote:
>
>
>
> Hello,
>
> kernel test robot noticed "packetdrill.packetdrill/gtests/net/tcp/fastopen/client/simultaneous-fast-open_ipv4-mapped-v6.fail" on:
>
> commit: 23e89e8ee7be73e21200947885a6d3a109a2c58d ("tcp: Don't drop SYN+ACK for simultaneous connect().")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>
> [test failed on linus/master      68b59730459e5d1fe4e0bbeb04ceb9df0f002270]
> [test failed on linux-next/master 73399b58e5e5a1b28a04baf42e321cfcfc663c2f]
>
> in testcase: packetdrill
> version: packetdrill-x86_64-31fbbb7-1_20240226
> with following parameters:
>
>
> compiler: gcc-13
> test machine: 16 threads 1 sockets Intel(R) Xeon(R) E-2278G CPU @ 3.40GHz (Coffee Lake) with 32G memory
>
> (please refer to attached dmesg/kmsg for entire log/backtrace)
>
>
> we also noticed other failed cases that can pass on parent.
>
>
> 42ffe242860c401c 23e89e8ee7be73e21200947885a
> ---------------- ---------------------------
>        fail:runs  %reproduction    fail:runs
>            |             |             |
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/client/simultaneous-fast-open_ipv4-mapped-v6.fail
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/client/simultaneous-fast-open_ipv4.fail
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/client/simultaneous-fast-open_ipv6.fail
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/server/basic-cookie-not-reqd_ipv4-mapped-v6.fail
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/server/basic-cookie-not-reqd_ipv4.fail
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/server/basic-zero-payload_ipv4-mapped-v6.fail
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/server/basic-zero-payload_ipv4.fail
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/server/opt34/basic-cookie-not-reqd_ipv4-mapped-v6.fail
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/server/opt34/basic-cookie-not-reqd_ipv4.fail
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/server/opt34/basic-zero-payload_ipv4-mapped-v6.fail
>            :9           67%           6:6     packetdrill.packetdrill/gtests/net/tcp/fastopen/server/opt34/basic-zero-payload_ipv4.fail
>
>
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <oliver.sang@...el.com>
> | Closes: https://lore.kernel.org/oe-lkp/202407251053.618edf56-oliver.sang@intel.com
>
>
>
> FAIL [/lkp/benchmarks/packetdrill/gtests/net/tcp/fastopen/client/simultaneous-fast-open.pkt (ipv6)]
>
> ...
>
> FAIL [/lkp/benchmarks/packetdrill/gtests/net/tcp/fastopen/client/simultaneous-fast-open.pkt (ipv4)]
>
> ...
>
> FAIL [/lkp/benchmarks/packetdrill/gtests/net/tcp/fastopen/client/simultaneous-fast-open.pkt (ipv4-mapped-v6)]
>
> ...
>
>
> The kernel config and materials to reproduce are available at:
> https://download.01.org/0day-ci/archive/20240725/202407251053.618edf56-oliver.sang@intel.com
>
>
>
> --
> 0-DAY CI Kernel Test Service
> https://github.com/intel/lkp-tests/wiki
>

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