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

** Also affects: ubuntu-kernel-tests
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1760638

Title:
  dccp test in ubuntu_stress_smoke_test failed with 4.4/4.15 KVM kernel

Status in ubuntu-kernel-tests:
  New
Status in linux package in Ubuntu:
  Triaged
Status in linux-kvm package in Ubuntu:
  New
Status in linux source package in Xenial:
  Triaged
Status in linux-kvm source package in Xenial:
  New
Status in linux source package in Bionic:
  Triaged
Status in linux-kvm source package in Bionic:
  New

Bug description:
  The test failed with:
  16:26:24 DEBUG| [stdout] dccp STARTING
  16:26:24 DEBUG| [stdout] dccp RETURNED 2
  16:26:24 DEBUG| [stdout] dccp FAILED
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2228] 2 processors online, 2 processors configured
  16:26:24 DEBUG| [stdout] stress-ng: info:  [2228] dispatching hogs: 4 dccp
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2228] cache allocate: reducing cache level from L3 (too high) to L2
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2228] cache allocate: default cache size: 4096K
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2228] starting stressors
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2228] 4 stressors spawned
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2231] stress-ng-dccp: started [2231] (instance 2)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2232] stress-ng-dccp: started [2232] (instance 3)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2229] stress-ng-dccp: started [2229] (instance 0)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2230] stress-ng-dccp: started [2230] (instance 1)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2231] stress-ng-dccp: process [2231] using socket port 10002
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2229] stress-ng-dccp: process [2229] using socket port 10000
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2232] stress-ng-dccp: process [2232] using socket port 10003
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2230] stress-ng-dccp: process [2230] using socket port 10001
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2231] stress-ng-dccp: socket failed, errno=94 (Socket type not supported)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2231] stress-ng-dccp: 0 messages sent
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2231] stress-ng-dccp: exited [2231] (instance 2)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2239] stress-ng-dccp: socket failed, errno=94 (Socket type not supported)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2230] stress-ng-dccp: socket failed, errno=94 (Socket type not supported)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2230] stress-ng-dccp: 0 messages sent
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2230] stress-ng-dccp: exited [2230] (instance 1)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2232] stress-ng-dccp: socket failed, errno=94 (Socket type not supported)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2232] stress-ng-dccp: 0 messages sent
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2232] stress-ng-dccp: exited [2232] (instance 3)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2235] stress-ng-dccp: socket failed, errno=94 (Socket type not supported)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2229] stress-ng-dccp: socket failed, errno=94 (Socket type not supported)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2229] stress-ng-dccp: 0 messages sent
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2229] stress-ng-dccp: exited [2229] (instance 0)
  16:26:24 DEBUG| [stdout] stress-ng: error: [2228] process 2229 (stress-ng-dccp) terminated with an error, exit status=1 (stress-ng core failure)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2228] process [2229] terminated
  16:26:24 DEBUG| [stdout] stress-ng: error: [2228] process 2230 (stress-ng-dccp) terminated with an error, exit status=1 (stress-ng core failure)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2228] process [2230] terminated
  16:26:24 DEBUG| [stdout] stress-ng: error: [2228] process 2231 (stress-ng-dccp) terminated with an error, exit status=1 (stress-ng core failure)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2228] process [2231] terminated
  16:26:24 DEBUG| [stdout] stress-ng: error: [2228] process 2232 (stress-ng-dccp) terminated with an error, exit status=1 (stress-ng core failure)
  16:26:24 DEBUG| [stdout] stress-ng: debug: [2228] process [2232] terminated
  16:26:24 DEBUG| [stdout] stress-ng: info:  [2228] unsuccessful run completed in 0.01s
  16:26:24 DEBUG| [stdout]  

  
  Steps to reproduce:
    Deploy the node with Xenial 4.4 kernel, install linux-kvm
    sudo apt-get install python-minimal
    git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest-client-tests -b master-next
    git clone --depth=1 git://kernel.ubuntu.com/ubuntu/autotest
    rm -fr autotest/client/tests
    ln -sf ~/autotest-client-tests autotest/client/tests
    AUTOTEST_PATH=/home/ubuntu/autotest sudo -E autotest/client/autotest-local --verbose autotest/client/tests/ubuntu_stress_smoke_test/control

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-1019-kvm 4.4.0-1019.24
  ProcVersionSignature: User Name 4.4.0-1019.24-kvm 4.4.98
  Uname: Linux 4.4.0-1019-kvm x86_64
  ApportVersion: 2.20.1-0ubuntu2.15
  Architecture: amd64
  Date: Mon Apr  2 16:31:05 2018
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: linux-kvm
  UpgradeStatus: No upgrade log present (probably fresh install)

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