← Back to team overview

group.of.nepali.translators team mailing list archive

[Bug 1923114] [NEW] ubuntu_kernel_selftests: ./cpu-on-off-test.sh: line 94: echo: write error: Device or resource busy

 

Public bug reported:

Test cpu-hotplug from ubuntu_kernel_selftests failed with bionic:linux-
azure-4.15 running on a Basic A2 with 2 cores (besides other instance
types):

selftests: cpu-on-off-test.sh
========================================
pid 28041's current affinity mask: 3
pid 28041's new affinity mask: 1
CPU online/offline summary:
present_cpus = 0-1 present_max = 1
Cpus in online state: 0-1
Cpus in offline state: 0
Limited scope test: one hotplug cpu
(leaves cpu in the original state):
online to offline to online: cpu 1
not ok 1..1 selftests: cpu-on-off-test.sh [FAIL]
./cpu-on-off-test.sh: line 94: echo: write error: Device or resource busy
offline_cpu_expect_success 1: unexpected fail

http://10.246.72.46/4.15.0-1112.124~16.04.1-azure/xenial-linux-azure-
azure-
amd64-4.15.0-Basic_A2-ubuntu_kernel_selftests/ubuntu_kernel_selftests/results/ubuntu_kernel_selftests
.cpu-hotplug/debug/ubuntu_kernel_selftests.cpu-hotplug.DEBUG.html

The problem happens at "autotest-client-tests/ubuntu_kernel_selftests
/cpu-on-off-test.sh" when executing:

        echo 0 > $SYSFS/devices/system/cpu/cpu$1/online

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New

** Affects: linux-azure (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-azure-4.15 (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-azure (Ubuntu Trusty)
     Importance: Undecided
         Status: New

** Affects: linux-azure-4.15 (Ubuntu Trusty)
     Importance: Undecided
         Status: New

** Affects: linux-azure (Ubuntu Xenial)
     Importance: Undecided
         Status: New

** Affects: linux-azure-4.15 (Ubuntu Xenial)
     Importance: Undecided
         Status: New

** Affects: linux-azure (Ubuntu Bionic)
     Importance: Undecided
         Status: New

** Affects: linux-azure-4.15 (Ubuntu Bionic)
     Importance: Undecided
         Status: New


** Tags: 4.15 amd64 azure bionic kqa-blocker sru-20210315 trusty ubuntu-kernel-selftests xenial

** Also affects: linux-azure-4.15 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux-azure-4.15 (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: linux-azure-4.15 (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: linux-azure-4.15 (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: linux-azure (Ubuntu)
   Importance: Undecided
       Status: New

** Tags added: 4.15 amd64 azure bionic kqa-blocker sru-20210315 trusty
ubuntu-kernel-selftests xenial

-- 
You received this bug notification because you are a member of नेपाली
भाषा समायोजकहरुको समूह, which is subscribed to Xenial.
Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1923114

Title:
  ubuntu_kernel_selftests: ./cpu-on-off-test.sh: line 94: echo: write
  error: Device or resource busy

Status in ubuntu-kernel-tests:
  New
Status in linux-azure package in Ubuntu:
  New
Status in linux-azure-4.15 package in Ubuntu:
  New
Status in linux-azure source package in Trusty:
  New
Status in linux-azure-4.15 source package in Trusty:
  New
Status in linux-azure source package in Xenial:
  New
Status in linux-azure-4.15 source package in Xenial:
  New
Status in linux-azure source package in Bionic:
  New
Status in linux-azure-4.15 source package in Bionic:
  New

Bug description:
  Test cpu-hotplug from ubuntu_kernel_selftests failed with bionic
  :linux-azure-4.15 running on a Basic A2 with 2 cores (besides other
  instance types):

  selftests: cpu-on-off-test.sh
  ========================================
  pid 28041's current affinity mask: 3
  pid 28041's new affinity mask: 1
  CPU online/offline summary:
  present_cpus = 0-1 present_max = 1
  Cpus in online state: 0-1
  Cpus in offline state: 0
  Limited scope test: one hotplug cpu
  (leaves cpu in the original state):
  online to offline to online: cpu 1
  not ok 1..1 selftests: cpu-on-off-test.sh [FAIL]
  ./cpu-on-off-test.sh: line 94: echo: write error: Device or resource busy
  offline_cpu_expect_success 1: unexpected fail

  http://10.246.72.46/4.15.0-1112.124~16.04.1-azure/xenial-linux-azure-
  azure-
  amd64-4.15.0-Basic_A2-ubuntu_kernel_selftests/ubuntu_kernel_selftests/results/ubuntu_kernel_selftests
  .cpu-hotplug/debug/ubuntu_kernel_selftests.cpu-hotplug.DEBUG.html

  The problem happens at "autotest-client-tests/ubuntu_kernel_selftests
  /cpu-on-off-test.sh" when executing:

          echo 0 > $SYSFS/devices/system/cpu/cpu$1/online

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1923114/+subscriptions


Follow ups