group.of.nepali.translators team mailing list archive

[Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Fix Released

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https://bugs.launchpad.net/bugs/1765698

Title:
  Unable to insert test_bpf module on Xenial

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released

Bug description:
  [SRU Justification]

  Impact: One of the self-tests which is run by test_bpf will always
  fail when JIT is turned on, causing the module load to fail.

  Fix: Picking two patches from upstream will fix this.

  Testcase: sudo modprobe test_bpf

  Risk of regression: Minimal, this modifies only a test module, no
  impact on normal operation.

  ---

  With 4.4.0-119, the ubuntu_bpf_jit test will pass:

    [  127.177037] test_bpf: Summary: 291 PASSED, 0 FAILED, [0/283 JIT'ed]
    PASSED: 291
    FAILED: 0

  But with 4.4.0-121, one test will fail
    [  221.361834] test_bpf: Summary: 290 PASSED, 1 FAILED, [282/282 JIT'ed]
    PASSED: 290
    FAILED: 1
    stderr:
    modprobe: ERROR: could not insert 'test_bpf': Invalid argument

  $ sudo modprobe test_bpf
  modprobe: ERROR: could not insert 'test_bpf': Invalid argument
  $ dmesg|grep test_bpf|grep FAIL
  [   45.286944] test_bpf: #248 BPF_MAXINSNS: Jump, gap, jump, ... FAIL to prog_create err=-524 len=4096
  [   45.619293] test_bpf: Summary: 290 PASSED, 1 FAILED, [282/282 JIT'ed]

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-121-generic 4.4.0-121.145
  ProcVersionSignature: User Name 4.4.0-121.145-generic 4.4.117
  Uname: Linux 4.4.0-121-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Apr 20 12:29 seq
   crw-rw---- 1 root audio 116, 33 Apr 20 12:29 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.20.1-0ubuntu2.16
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CurrentDmesg:

  Date: Fri Apr 20 12:32:59 2018
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  MachineType: Intel Corporation S1200RP
  PciMultimedia:

  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-121-generic root=UUID=b0d2ae4e-12dd-423e-acea-272ee8b2a893 ro
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-121-generic N/A
   linux-backports-modules-4.4.0-121-generic  N/A
   linux-firmware                             1.157.17
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/01/2015
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: S1200RP.86B.03.02.0003.070120151022
  dmi.board.asset.tag: ....................
  dmi.board.name: S1200RP
  dmi.board.vendor: Intel Corporation
  dmi.board.version: G62254-407
  dmi.chassis.asset.tag: ....................
  dmi.chassis.type: 17
  dmi.chassis.vendor: ..............................
  dmi.chassis.version: ..................
  dmi.modalias: dmi:bvnIntelCorp.:bvrS1200RP.86B.03.02.0003.070120151022:bd07/01/2015:svnIntelCorporation:pnS1200RP:pvr....................:rvnIntelCorporation:rnS1200RP:rvrG62254-407:cvn..............................:ct17:cvr..................:
  dmi.product.name: S1200RP
  dmi.product.version: ....................
  dmi.sys.vendor: Intel Corporation

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