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[Bug 1903477] Re: Unable to build ubuntu_bpf test on F-oem-5.10 (Error: failed to load BTF from format: No such file or directory)

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Po-Hsu Lin <1903477@xxxxxxxxxxxxxxxxxx>
Date: Thu, 26 Dec 2024 08:00:48 -0000
Reply-to: Bug 1903477 <1903477@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
Kernel EOL, and this issue is not referenced in our hints database.
Closing this bug.

** Changed in: ubuntu-kernel-tests
       Status: New => Won't Fix

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https://bugs.launchpad.net/bugs/1903477

Title:
  Unable to build ubuntu_bpf test on F-oem-5.10 (Error: failed to load
  BTF from format: No such file or directory)

Status in ubuntu-kernel-tests:
  Won't Fix

Bug description:
  With bug 1903279 fixed, this test still cannot be built on F-oem-5.10 (5.10.0-1002-oem), build failed with:
  Error: failed to load BTF from format: No such file or directory

  $ sudo make
    MKDIR    include
    MKDIR    libbpf
    HOSTCC   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/fixdep.o
    HOSTLD   /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/fixdep-in.o
    LINK     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/fixdep
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/bpf_helper_defs.h
    MKDIR    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/libbpf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/bpf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/nlattr.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/btf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/libbpf_errno.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/str_error.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/netlink.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/bpf_prog_linfo.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/libbpf_probes.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/xsk.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/hashmap.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/btf_dump.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/ringbuf.o
    LD       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/staticobjs/libbpf-in.o
    LINK     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.a
  Warning: Kernel ABI header at 'tools/include/uapi/linux/netlink.h' differs from latest version at 'include/uapi/linux/netlink.h'
  Warning: Kernel ABI header at 'tools/include/uapi/linux/if_link.h' differs from latest version at 'include/uapi/linux/if_link.h'
    MKDIR    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/bpf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/nlattr.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/btf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf_errno.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/str_error.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/netlink.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/bpf_prog_linfo.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf_probes.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/xsk.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/hashmap.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/btf_dump.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/ringbuf.o
    LD       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/sharedobjs/libbpf-in.o
    LINK     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.so.0.2.0
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/libbpf/libbpf.pc
    INSTALL  headers
    CC       test_stub.o
    BINARY   test_verifier
    BINARY   test_tag
    MKDIR    bpftool
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/map_perf_ring.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/xlated_dumper.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/iter.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/btf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/tracelog.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/perf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/common.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/btf_dumper.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/net.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/struct_ops.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/netlink_dumper.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/link.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/cgroup.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/prog.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/gen.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/main.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/json_writer.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/cfg.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/map.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/pids.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/feature.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/disasm.o
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/bpf_helper_defs.h
    MKDIR    /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/libbpf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/bpf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/nlattr.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/btf.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/libbpf_errno.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/str_error.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/netlink.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/bpf_prog_linfo.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/libbpf_probes.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/xsk.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/hashmap.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/btf_dump.o
    CC       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/ringbuf.o
    LD       /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/staticobjs/libbpf-in.o
    LINK     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool//libbpf/libbpf.a
    LINK     /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/bpftool
    INSTALL  bpftool
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-perf.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-map.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-link.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-iter.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-net.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-struct_ops.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-feature.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-prog.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-gen.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-cgroup.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-btf.8
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpf-helpers.rst
    GEN      /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpf-helpers.7
    INSTALL  eBPF_helpers-manpage
    INSTALL  Documentation-man
    GEN      vmlinux.h
  Error: failed to load BTF from format: No such file or directory
  make: *** [Makefile:199: /home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/vmlinux.h] Error 2
  make: *** Deleting file '/home/ubuntu/autotest/client/tmp/ubuntu_bpf/src/linux/tools/testing/selftests/bpf/tools/include/vmlinux.h'

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