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received-spf: None (protection.outlook.com: fb.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: KKpTNVrs7gP/qoBSOXq+AIsrOAnzqBlCajafiG+u4uT2xxChUYZ5C6C3817UbfE7fSTTJMlbQre572G13PYcQs6tyQKqFgl/FqNExeNMwMeqFjtSnFGyOj+hmR1ZJlz3VEpjwzICavlE6UhyzsQglkBnzf9FRdqS5puP03t2XvaATMDMqvsXSVcHTz9V9MleXmVRKFYsjvM8mLvAcs9RP0VxmECTcCmLXO4/g2hABMtbDOFvHzA+c6uSzoxgTVxqpmEHDZtBI7VK5k+iDQurGBJb+KcjFwrCdu/aDREnN7qzTWPCmgJ0ZgiPrCgcgch3gCD61Nupy/ReMmNTvDGbGXAESE7aJJXIcyVPaTlfz7c= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="Windows-1252" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: d007db4c-7b93-4b13-ae4c-08d64389dd17 X-MS-Exchange-CrossTenant-originalarrivaltime: 06 Nov 2018 01:47:52.5046 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 8ae927fe-1255-47a7-a2af-5f3a069daaa2 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY1PR15MB0072 X-OriginatorOrg: fb.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-11-06_01:,, signatures=0 X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I cannot reproduce in my local fc28 system with the attached steps. The netlink_dumper.c file, could you confirm whether the following=20 header files are missing form you rhel-7.2 host? #include #include I suspect you probably miss linux/tc_act/tc_bpf.h. But could you confirm=20 it? If this is the case, I can fix the problem by adding tc_bpf.h into tools/include/uapi directory. Thanks, Yonghong On 11/4/18 9:36 PM, kernel test robot wrote: > FYI, we noticed the following commit (built with gcc-7): >=20 > commit: f6f3bac08ff9855d803081a353a1fafaa8845739 ("tools/bpf: bpftool: ad= d net support") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master >=20 > in testcase: bpf_offload > with following parameters: >=20 > ucode: 0xb00002e >=20 >=20 >=20 > on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz wit= h 64G memory >=20 > caused below changes (please refer to attached dmesg/kmsg for entire log/= backtrace): >=20 >=20 >=20 >=20 > KERNEL SELFTESTS: linux_headers_dir is /usr/src/linux-headers-x86_64-rhel= -7.2-f6f3bac08ff9855d803081a353a1fafaa8845739 > 2018-11-03 10:11:02 cd /usr/src/linux-selftests-x86_64-rhel-7.2-f6f3bac08= ff9855d803081a353a1fafaa8845739/tools/testing/selftests > 2018-11-03 10:11:02 ln -sf /usr/bin/clang-7 /usr/bin/clang > 2018-11-03 10:11:02 ln -sf /usr/bin/llc-7 /usr/bin/llc > make: Entering directory '/usr/src/perf_selftests-x86_64-rhel-7.2-f6f3bac= 08ff9855d803081a353a1fafaa8845739/tools/bpf' >=20 > Auto-detecting system features: > ... libbfd: [ =1B[31mOFF=1B[m ] > ... disassembler-four-args: [ =1B[31mOFF=1B[m ] >=20 > CC bpf_jit_disasm.o > LINK bpf_jit_disasm > CC bpf_dbg.o > LINK bpf_dbg > CC bpf_asm.o > BISON bpf_exp.yacc.c > CC bpf_exp.yacc.o > FLEX bpf_exp.lex.c > CC bpf_exp.lex.o > LINK bpf_asm > DESCEND bpftool > make[1]: Entering directory '/usr/src/perf_selftests-x86_64-rhel-7.2-f6f3= bac08ff9855d803081a353a1fafaa8845739/tools/bpf/bpftool' >=20 > Auto-detecting system features: > ... libbfd: [ =1B[31mOFF=1B[m ] > ... disassembler-four-args: [ =1B[31mOFF=1B[m ] >=20 > CC map_perf_ring.o > CC xlated_dumper.o > CC perf.o > CC prog.o > CC btf_dumper.o > CC net.o > CC netlink_dumper.o > Makefile:96: recipe for target 'netlink_dumper.o' failed > make[1]: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-7.2-f6f3b= ac08ff9855d803081a353a1fafaa8845739/tools/bpf/bpftool' > Makefile:99: recipe for target 'bpftool' failed > make: Leaving directory '/usr/src/perf_selftests-x86_64-rhel-7.2-f6f3bac0= 8ff9855d803081a353a1fafaa8845739/tools/bpf' >=20 >=20 >=20 > To reproduce: >=20 > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp install job.yaml # job file is attached in this email > bin/lkp run job.yaml >=20 >=20 >=20 > Thanks, > Rong Chen >=20