Any progress on this issue? Perhaps we should just disable BPF with clang build?
On Thu, 16 Sep 2021 03:07:41 +0000 bugzi...@dpdk.org wrote: > https://bugs.dpdk.org/show_bug.cgi?id=811 > > Bug ID: 811 > Summary: BPF tests fail with clang > Product: DPDK > Version: 21.11 > Hardware: All > OS: All > Status: UNCONFIRMED > Severity: normal > Priority: Normal > Component: other > Assignee: dev@dpdk.org > Reporter: step...@networkplumber.org > Target Milestone: --- > > The bpf_autotest fails when DPDK 21.11 is built with clang. > Same test and code work when built with Gcc. > > $ clang --version > Debian clang version 11.0.1-2 > Target: x86_64-pc-linux-gnu > Thread model: posix > InstalledDir: /usr/bin > > $ gcc --version > gcc (Debian 10.2.1-6) 10.2.1 20210110 > Copyright (C) 2020 Free Software Foundation, Inc. > This is free software; see the source for copying conditions. There is NO > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > > > $ DPDK_TEST='bpf_autotest' > /home/shemminger/DPDK/pcapng2/build/app/test/dpdk-test -l 0-15 --no-huge -m > 2048 > EAL: Detected 16 lcore(s) > EAL: Detected 1 NUMA nodes > EAL: Detected static linkage of DPDK > EAL: Multi-process socket /run/user/1000/dpdk/rte/mp_socket > EAL: Selected IOVA mode 'VA' > APP: HPET is not enabled, using TSC as default timer > RTE>>bpf_autotest > run_test(test_store1) start > run_test(test_store2) start > run_test(test_load1) start > run_test(test_ldimm1) start > run_test(test_mul1) start > run_test(test_shift1) start > test_shift1_check: invalid value > expected: > 00:80:21:81:00:00:00:00:00:00:00:00:00:00:00:00:ff:db:dd:ed:ff:ff:ff:ff:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:ff:00:00:00:00:00:00:00:00:c0:ed:27:21:00:00:00:00:00:00:00:00:00:00:00:00:81:ef:ad:f6:ff:76:77:fb:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 > result: > 00:80:21:81:00:00:00:00:00:00:00:00:00:00:00:00:ff:db:dd:ed:ff:ff:ff:ff:00:00:00:00:00:00:00:00:81:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:ff:00:00:00:00:00:00:00:00:c0:ed:27:21:00:00:00:00:00:00:00:00:00:00:00:00:81:ef:ad:f6:ff:76:77:fb:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 > run_test@3196: check_result(test_shift1) failed, error: -1(Unknown error -1); > test_shift1_check: invalid value > expected: > 00:00:cf:4e:00:00:00:00:00:00:00:00:00:00:00:00:cf:bb:75:ef:ff:ff:ff:ff:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:80:e7:dd:ba:00:00:00:00:00:00:00:00:00:00:00:c0:00:00:00:00:00:00:00:00:00:00:00:00:7b:de:ad:7b:ff:ff:ff:ff:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 > result: > 00:00:cf:4e:00:00:00:00:00:00:00:00:00:00:00:00:cf:bb:75:ef:ff:ff:ff:ff:00:00:00:00:00:00:00:00:00:9e:9d:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:80:e7:dd:ba:00:00:00:00:00:00:00:00:00:00:00:c0:00:00:00:00:00:00:00:00:00:00:00:00:7b:de:ad:7b:ff:ff:ff:ff:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00:00 > run_test@3210: check_result(test_shift1) failed, error: -1(Unknown error -1); > run_test(test_jump1) start > run_test(test_jump2) start > run_test(test_alu1) start > run_test(test_bele1) start > run_test(test_xadd1) start > run_test(test_div1) start > bpf_exec(0x7f3a1d03d000): division by 0 at pc: 0x68; > run_test(test_call1) start > run_test(test_call2) start > run_test(test_call3) start > run_test(test_call4) start > run_test(test_call5) start > run_test(test_ld_mbuf1) start > run_test(test_ld_mbuf2) start > run_test(test_ld_mbuf3) start > Test Failed > RTE>> >
