[Bug 1247860] Re: Trusty lxc smoke tests hang with lucid lxc-execute

Parameswaran Sivatharman para.siva at canonical.com
Mon Nov 4 14:44:44 UTC 2013


** Description changed:

- Trusty smoke lxc tests appear to hang starting from 20131102 (coincides
+ Trusty smoke lxc tests appear to hang starting from 20131101 (coincides
  with the new trusty kernel Linux version 3.12.0-1-generic) . The issue
  occurs on both amd64 and i386 images. When this occurs the vm where the
- lxc containers get created becomes unresponsive when this happens.
+ lxc containers get created becomes unresponsive.
  
  Steps to reproduce:
  1. Install a default saucy server on a vm (either manually or preseeded default installation) with either i386 or amd64 image using KVM, libvirt
  2. Do the following to install utah inside the VM
-    sudo apt-add-repository -y ppa:utah/stable
-    sudo apt-get update
-    sudo apt-get install utah
+    sudo apt-add-repository -y ppa:utah/stable
+    sudo apt-get update
+    sudo apt-get install utah
  
  3. Run the lxc tests using
-      sudo utah -r lp:ubuntu-test-cases/server/runlists/lxc.run
+      sudo utah -r lp:ubuntu-test-cases/server/runlists/lxc.run
  
  Looks like the test_lxc_simple test is the one that's causing the hang
  and soon after http://bazaar.launchpad.net/~ubuntu-server-dev/ubuntu-
  test-cases/server-tests-
  raring/view/head:/testsuites/lxc/test_lxc_simple/lxctest.py#L193
  
- 
  Note:
- I tried to reproduce this using a saucy vm host and the tests are not hanging there. The jenkins jobs in smoke tests are using a precise VM host. 
+ I tried to reproduce this using a saucy vm host and the tests are not hanging there. The jenkins jobs in smoke tests are using a precise VM host.
  
  The impacted smoke tests are:
  https://jenkins.qa.ubuntu.com/view/Trusty/view/Smoke%20Testing/job/trusty-server-amd64-smoke-lxc/5/
  and
  https://jenkins.qa.ubuntu.com/view/Trusty/view/Smoke%20Testing/job/trusty-server-i386-smoke-lxc/5/
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: lxc 1.0.0~alpha2-0ubuntu5
  ProcVersionSignature: Ubuntu 3.12.0-1.3-generic 3.12.0-rc7
  Uname: Linux 3.12.0-1-generic x86_64
  ApportVersion: 2.12.6-0ubuntu1
  Architecture: amd64
  Date: Mon Nov  4 09:00:26 2013
  InstallationDate: Installed on 2013-11-04 (0 days ago)
  InstallationMedia: Ubuntu-Server 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131104)
  MarkForUpload: True
  SourcePackage: lxc
  UpgradeStatus: No upgrade log present (probably fresh install)
  defaults.conf:
-  lxc.network.type = veth
-  lxc.network.link = lxcbr0
-  lxc.network.flags = up
+  lxc.network.type = veth
+  lxc.network.link = lxcbr0
+  lxc.network.flags = up

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https://bugs.launchpad.net/bugs/1247860

Title:
  Trusty lxc smoke tests hang with lucid lxc-execute

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