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Wed, 11 Oct 2023 07:29:29 -0700 (PDT) MIME-Version: 1.0 References: <202310111838.46ff5b6a-oliver.sang@intel.com> In-Reply-To: From: Puranjay Mohan Date: Wed, 11 Oct 2023 16:29:18 +0200 Message-ID: Subject: Re: [linux-next:master] [bpf/tests] daabb2b098: kernel-selftests.net.test_bpf.sh.fail To: Yonghong Song Cc: oe-lkp@lists.linux.dev, lkp@intel.com, Linux Memory Management List , Alexei Starovoitov , bpf@vger.kernel.org, oliver.sang@intel.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam09 X-Rspamd-Queue-Id: D3EFAA0034 X-Stat-Signature: r4ac1wu9itbc3ju8nbwjzeinz8xwpnsg X-Rspam-User: X-HE-Tag: 1697034571-966073 X-HE-Meta: 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 nPRq79xu 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000044, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Yonghong, On Wed, Oct 11, 2023 at 4:01=E2=80=AFPM Puranjay Mohan wrote: > > On Wed, Oct 11, 2023 at 3:20=E2=80=AFPM kernel test robot wrote: > > > > > > hi, Puranjay Mohan, > > > > we reported same issue when this commit is a review patch as: > > https://lore.kernel.org/all/202309261451.8934f9ad-oliver.sang@intel.com= / > > > > now we noticed this commit is in linux-next/master and we still observe= d > > failure. > > > > is there any requirements to run new tests? Thanks > > > > > > Hello, > > > > kernel test robot noticed "kernel-selftests.net.test_bpf.sh.fail" on: > > > > commit: daabb2b098e04753fa3d1b1feed13e5a61bef61c ("bpf/tests: add tests= for cpuv4 instructions") > > https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master > > > > [test failed on linux-next/master 719136e5c24768ebdf80b9daa53facebbdd37= 7c3] > > > > 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 ve= rsion of > > the same patch/commit), kindly add following tags > > | Reported-by: kernel test robot > > | Closes: https://lore.kernel.org/oe-lkp/202310111838.46ff5b6a-oliver.s= ang@intel.com > > > > > > > > .... > > # timeout set to 1500 > > # selftests: net: test_bpf.sh > > # test_bpf: [FAIL] > > not ok 13 selftests: net: test_bpf.sh # exit=3D1 > > .... > > The test "ALU_MOVSX | BPF_W" is failing for x86_64. This is a new test > added by my patch. > This is how the test looks: As you have worked more on cpu=3Dv4 instructions. Is it a requirement that MOVSX32 can only have offset =3D 8/16 and never 32= . I know that MOVSX32 with offset=3D32 is equivalent to normal MOV32. If this is a requirement then the below test is running an invalid instruction and we can remove it from test_bpf. > { > "ALU_MOVSX | BPF_W", > .u.insns_int =3D { > BPF_LD_IMM64(R2, 0x00000000deadbeefLL), > BPF_LD_IMM64(R3, 0xdeadbeefdeadbeefLL), > BPF_MOVSX32_REG(R1, R3, 32), > BPF_JMP_REG(BPF_JEQ, R2, R1, 2), > BPF_MOV32_IMM(R0, 2), > BPF_EXIT_INSN(), > BPF_MOV32_IMM(R0, 1), > BPF_EXIT_INSN(), > }, > INTERNAL, > { }, > { { 0, 0x1 } }, > } > > I am creating a build for testing on my end. > > > > > > > > > The kernel config and materials to reproduce are available at: > > https://download.01.org/0day-ci/archive/20231011/202310111838.46ff5b6a-= oliver.sang@intel.com > > > > > > > > -- > > 0-DAY CI Kernel Test Service > > https://github.com/intel/lkp-tests/wiki > > > > Thanks, > Puranjay