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[Jürg Häfliger <1837384@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1837384

Title:
  Unable to build net test in ubuntu_kernel_selftests on B-hwe PowerPC

Status in ubuntu-kernel-tests:
  Won't Fix
Status in linux-hwe package in Ubuntu:
  Invalid
Status in linux-hwe source package in Bionic:
  Invalid

Bug description:
  This test would require the bpf test to be built first,
  however, this is affected by bug 1828570

  The bpf build will fail with:
    BPF API too old

  
          make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'
          make[1]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf'
          gcc -o /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf/urandom_read -static urandom_read.c -Wl,--build-id
          make -C ../../../lib/bpf OUTPUT=/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf/
          make[2]: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/lib/bpf'
          
          Auto-detecting system features:
          ... libelf: [ [32mon[m ]
          ... bpf: [ [31mOFF[m ]
          
          HOSTCC /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf/fixdep.o
          HOSTLD /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf/fixdep-in.o
          LINK /home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf/fixdep
          
          Auto-detecting system features:
          ... libelf: [ [32mon[m ]
          ... bpf: [ [31mOFF[m ]
          
          BPF API too old
          Makefile:246: recipe for target 'bpfdep' failed
          Makefile:166: recipe for target 'all' failed
          make[2]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/lib/bpf'
          Makefile:94: recipe for target '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf/libbpf.a' failed
          make[1]: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf'
          Makefile:90: recipe for target 'all' failed
          make: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests'
          stderr:
          /bin/sh: 1: llvm-readelf: not found
          make[3]: *** [bpfdep] Error 1
          make[2]: *** [all] Error 2
          make[1]: *** [/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/bpf/libbpf.a] Error 2
          make: *** [all] Error 2

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