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[James Hunt <1208455@xxxxxxxxxxxxxxxxxx>]

High CPU may be cloud-init. Using todays server image, running 'prepare-
testbed' spins the CPU at 200%. The end of the log shows:

Aug  6 10:13:15 autopkgtest [CLOUDINIT] helpers.py[DEBUG]: Running config-package-update-upgrade-install using lock (<FileLock using file '/var/lib/cloud/instances/nocloud/sem/config_package_update_upgrade_install'>)
Aug  6 10:13:15 autopkgtest [CLOUDINIT] util.py[DEBUG]: Writing to /var/lib/cloud/instances/nocloud/sem/update_sources - wb: [420] 19 bytes
Aug  6 10:13:15 autopkgtest [CLOUDINIT] helpers.py[DEBUG]: Running update-sources using lock (<FileLock using file '/var/lib/cloud/instances/nocloud/sem/update_sources'>)
Aug  6 10:13:15 autopkgtest [CLOUDINIT] util.py[DEBUG]: Running command ['apt-get', '--option=Dpkg::Options::=--force-confold', '--option=Dpkg::options::=--force-unsafe-io', '--assume-yes', '--quiet', 'update'] with allowed return codes [0] (shell=False, capture=False)
Aug  6 10:13:34 autopkgtest [CLOUDINIT] util.py[DEBUG]: Running command ['apt-get', '--option=Dpkg::Options::=--force-confold', '--option=Dpkg::options::=--force-unsafe-io', '--assume-yes', '--quiet', 'dist-upgrade'] with allowed return codes [0] (shell=False, capture=False)
Aug  6 10:13:36 autopkgtest [CLOUDINIT] helpers.py[DEBUG]: update-sources already ran (freq=once-per-instance)
Aug  6 10:13:36 autopkgtest [CLOUDINIT] util.py[DEBUG]: Running command ['apt-get', '--option=Dpkg::Options::=--force-confold', '--option=Dpkg::options::=--force-unsafe-io', '--assume-yes', '--quiet', 'install', 'eatmydata', 'linux-image-generic', 'autopkgtest', 'dpkg-dev', 'pbuilder', 'bzr'] with allowed return codes [0] (shell=False, capture=False)
1680s before timeout
1620s before timeout
1560s before timeout
1500s before timeout
1440s before timeout
1380s before timeout
1320s before timeout


** Also affects: cloud-init (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1208455

Title:
  general protection fault running apt-get inside nested kvm VM

Status in “cloud-init” package in Ubuntu:
  New
Status in “linux” package in Ubuntu:
  Confirmed
Status in “qemu-kvm” package in Ubuntu:
  New

Bug description:
  Attempting to run apt-get in a nested vm hosted in OpenStack results
  in a  general protection fault in the kernel in the nested VM.

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