linux-kernel - [linus:master] [kbuild] 72d091846d: kernel-selftests.net.udpgro

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Message-ID: <202311221453.9e6d5ac0-oliver.sang@intel.com>
Date:   Wed, 22 Nov 2023 16:22:53 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Masahiro Yamada <masahiroy@...nel.org>
CC:     <oe-lkp@...ts.linux.dev>, <lkp@...el.com>,
        <linux-kernel@...r.kernel.org>,
        Alan Maguire <alan.maguire@...cle.com>,
        Nicolas Schier <n.schier@....de>,
        Miguel Ojeda <ojeda@...nel.org>, Jiri Olsa <jolsa@...nel.org>,
        "Martin Rodriguez Reboredo" <yakoyoku@...il.com>,
        <linux-kbuild@...r.kernel.org>, <bpf@...r.kernel.org>,
        <oliver.sang@...el.com>
Subject: [linus:master] [kbuild]  72d091846d:
 kernel-selftests.net.udpgro_bench.sh.fail

Hello,

kernel test robot noticed "kernel-selftests.net.udpgro_bench.sh.fail" on:

commit: 72d091846de935e0942a8a0f1fe24ff739d85d76 ("kbuild: avoid too many execution of scripts/pahole-flags.sh")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

[test failed on linus/master 7475e51b87969e01a6812eac713a1c8310372e8a]
[test failed on linux-next/master eff99d8edbed7918317331ebd1e365d8e955d65e]

in testcase: kernel-selftests
version: kernel-selftests-x86_64-60acb023-1_20230329
with following parameters:

	group: net

compiler: gcc-12
test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 32G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)

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/202311221453.9e6d5ac0-oliver.sang@intel.com

besides kernel-selftests.net.udpgro_bench.sh, we also observed below tests
failed upon this commit but can pass on parent.

7f6d8f7e43fb516f 72d091846de935e0942a8a0f1fe
---------------- ---------------------------
       fail:runs  %reproduction    fail:runs
           |             |             |
           :20         100%          20:20    kernel-selftests.net.udpgro.sh.fail
           :20         100%          20:20    kernel-selftests.net.udpgro_bench.sh.fail
           :20         100%          20:20    kernel-selftests.net.udpgro_frglist.sh.fail
           :20         100%          20:20    kernel-selftests.net.veth.sh.fail

....

# timeout set to 1500
# selftests: net: udpgro_bench.sh
# Missing ../bpf/xdp_dummy.bpf.o. Build bpf selftest first
not ok 25 selftests: net: udpgro_bench.sh # exit=255
# timeout set to 1500
# selftests: net: udpgro.sh
# Missing ../bpf/xdp_dummy.bpf.o. Build bpf selftest first
not ok 26 selftests: net: udpgro.sh # exit=255

....

# timeout set to 1500
# selftests: net: udpgro_frglist.sh
# Missing ../bpf/xdp_dummy.bpf.o. Build bpf selftest first
not ok 53 selftests: net: udpgro_frglist.sh # exit=255
# timeout set to 1500
# selftests: net: veth.sh
# Missing ../bpf/xdp_dummy.bpf.o. Build bpf selftest first
not ok 54 selftests: net: veth.sh # exit=1

....

The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20231122/202311221453.9e6d5ac0-oliver.sang@intel.com

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki