canonical-ubuntu-qa team mailing list archive

[Po-Hsu Lin <2072994@xxxxxxxxxxxxxxxxxx>]

** Tags added: 6.8 jammy ppc64el ubuntu-kselftests-net

** Tags added: noble sru-20240429 sru-20240610 sru-20240708 sru-20240805

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https://bugs.launchpad.net/bugs/2072994

Title:
  kselftests_net.net:test_bpf.sh fails on ppc64el

Status in ubuntu-kernel-tests:
  New

Bug description:
  test_bpf: #81 ALU_MOVSX | BPF_B jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times)
  test_bpf: #82 ALU_MOVSX | BPF_H jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times)
  test_bpf: #83 ALU64_MOVSX | BPF_B jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times)
  test_bpf: #84 ALU64_MOVSX | BPF_H jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times)
  test_bpf: #85 ALU64_MOVSX | BPF_W jited:1 ret 2 != 1 (0x2 != 0x1)FAIL (1 times)

  ...

  test_bpf: #164 ALU_SDIV_X: -6 / 2 = -3 jited:1 ret 2147483645 != -3 (0x7ffffffd != 0xfffffffd)FAIL (1 times)
  test_bpf: #165 ALU_SDIV_K: -6 / 2 = -3 jited:1 ret 2147483645 != -3 (0x7ffffffd != 0xfffffffd)FAIL (1 times)
  test_bpf: #168 ALU_SMOD_X: -7 % 2 = -1 jited:1 ret 1 != -1 (0x1 != 0xffffffff)FAIL (1 times)
  test_bpf: #169 ALU_SMOD_K: -7 % 2 = -1 jited:1 ret 1 != -1 (0x1 != 0xffffffff)FAIL (1 times)
  test_bpf: #170 ALU64_SMOD_X: -7 % 2 = -1 jited:1 ret 1 != -1 (0x1 != 0xffffffff)FAIL (1 times)
  test_bpf: #171 ALU64_SMOD_K: -7 % 2 = -1 jited:1 ret 1 != -1 (0x1 != 0xffffffff)FAIL (1 times)

  ...

  test_bpf: #312 BSWAP 16: 0x0123456789abcdef -> 0xefcd 
  eBPF filter opcode 00d7 (@2) unsupported
  FAIL to select_runtime err=-524
  test_bpf: #313 BSWAP 32: 0x0123456789abcdef -> 0xefcdab89 
  eBPF filter opcode 00d7 (@2) unsupported
  FAIL to select_runtime err=-524
  test_bpf: #314 BSWAP 64: 0x0123456789abcdef -> 0x67452301 
  eBPF filter opcode 00d7 (@2) unsupported
  FAIL to select_runtime err=-524
  test_bpf: #315 BSWAP 64: 0x0123456789abcdef >> 32 -> 0xefcdab89 
  eBPF filter opcode 00d7 (@2) unsupported
  FAIL to select_runtime err=-524
  test_bpf: #316 BSWAP 16: 0xfedcba9876543210 -> 0x1032 
  eBPF filter opcode 00d7 (@2) unsupported
  FAIL to select_runtime err=-524
  test_bpf: #317 BSWAP 32: 0xfedcba9876543210 -> 0x10325476 
  eBPF filter opcode 00d7 (@2) unsupported
  FAIL to select_runtime err=-524
  test_bpf: #318 BSWAP 64: 0xfedcba9876543210 -> 0x98badcfe 
  eBPF filter opcode 00d7 (@2) unsupported
  FAIL to select_runtime err=-524
  test_bpf: #319 BSWAP 64: 0xfedcba9876543210 >> 32 -> 0x10325476 
  eBPF filter opcode 00d7 (@2) unsupported
  FAIL to select_runtime err=-524

  ...

  test_bpf: #343 BPF_LDX_MEMSX | BPF_B 
  eBPF filter opcode 0091 (@5) unsupported
  FAIL to select_runtime err=-524
  test_bpf: #344 BPF_LDX_MEMSX | BPF_H 
  eBPF filter opcode 0089 (@5) unsupported
  FAIL to select_runtime err=-524
  test_bpf: #345 BPF_LDX_MEMSX | BPF_W
  FAIL to select_runtime err=-524

  ...

  test_bpf: #489 JMP32_JA: Unconditional jump: if (true) return 1
  FAIL to select_runtime err=-524

  ...

  test_bpf: Summary: 1026 PASSED, 23 FAILED, [1025/1025 JIT'ed]

  Observed on metal ppc64el instances for noble:linux in s2024.06.10.
  The issue is present since we started testing noble in SRU cycle
  2024.04.29 at least.

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