canonical-ubuntu-qa team mailing list archive

[Po-Hsu Lin <2017725@xxxxxxxxxxxxxxxxxx>]

On ARM64 baremetal node blanka with N-nvidia-lowlatency 6.8.0-1015.16,
this test was found flaky with "./msg_zerocopy: send: Connection
refused":

 Running 'make run_tests -C net TEST_PROGS=msg_zerocopy.sh TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
 make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kselftests_net/src/linux/tools/testing/selftests/net'
 TAP version 13
 1..1
 # timeout set to 0
 # selftests: net: msg_zerocopy.sh
 # ipv4 tcp -t 1
 # tx=83811 (5230 MB) txc=0 zc=n
 # rx=41833 (5230 MB)
 # ipv4 tcp -z -t 1
 # tx=68309 (4262 MB) txc=68309 zc=n
 # rx=34118 (4262 MB)
 # ok
 # ipv6 tcp -t 1
 # tx=84907 (5298 MB) txc=0 zc=n
 # rx=42382 (5298 MB)
 # ipv6 tcp -z -t 1
 # tx=66429 (4145 MB) txc=66429 zc=n
 # rx=33193 (4145 MB)
 # ok
 # ipv4 udp -t 1
 # rx=125765 (7848 MB)
 # ./msg_zerocopy: send: Connection refused
 not ok 1 selftests: net: msg_zerocopy.sh # exit=1 

Test passed after retest.

** Tags added: 6.8 arm64 noble sru-s20240902

-- 
You received this bug notification because you are a member of Canonical
Platform QA Team, which is subscribed to ubuntu-kernel-tests.
https://bugs.launchpad.net/bugs/2017725

Title:
  net:msg_zerocopy.sh in ubuntu_kernel_selftests flaky on Azure 4.15
  (./msg_zerocopy: send: Invalid argument)

Status in ubuntu-kernel-tests:
  New

Bug description:
  This is not a regression, it's just that this issue was hinted without
  a bug report.

  This issue can be found on instance Standard_B1ms only with:
    * X-Azure-4.15.0-1162.177~16.04.1 
    * B-Azure-4.15.0-1162.177 
    * B-Azure-4.15.0-1164.179

  Test failed with:
   ./msg_zerocopy: send: Connection reset by peer

  
  Test log:
   Running 'make run_tests -C net TEST_PROGS=msg_zerocopy.sh TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
   make: Entering directory '/home/azure/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net'
   make --no-builtin-rules ARCH=x86 -C ../../../.. headers_install
   make[1]: Entering directory '/home/azure/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
     CHK     include/generated/uapi/linux/version.h
   make[1]: Leaving directory '/home/azure/autotest/client/tmp/ubuntu_kernel_selftests/src/linux'
   TAP version 13
   selftests: msg_zerocopy.sh
   ========================================
   ipv4 tcp -t 1
   cpu: unable to pin, may increase variance.
   cpu: unable to pin, may increase variance.
   rx=36717 (4582 MB)
   ./msg_zerocopy: send: Connection reset by peer
   not ok 1..1 selftests:  msg_zerocopy.sh [FAIL]

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/2017725/+subscriptions