[Bug 1348551] Re: qemu-kvm upstart configuration from qemu-system-x86 relies on binary from qemu-kvm

[Serge Hallyn]

** Description changed:

+ ===================================
+ SRU Justification
+ Impact: users do not get KSM auto-enabled if they only install qemu-system-x86
+ Development fix: have the qemu-kvm upstart job run if qemu-system-x86 is installed, not only if kvm is installed
+ Stable fix: same as devel fix
+ Test case: sudo apt-get install qemu-system-x86;  cat /sys/kernel/mm/ksm/run -> this should be 1, but will be 0 with this bug unless qemu-kvm package is installed.
+ Regression potential: there should be none
+ ===================================
+ 
  qemu-kvm is a transitional package, so can be removed in which case
  qemu-kvm defaults won't ever get applied:
  
  >>>>>
  
  start on runlevel [2345]
  
  pre-start script
      # Silently exit if the package isn't installed anymore
      if [ ! -e /usr/bin/kvm ]; then
          exit 0
      fi
  
  <<<<<<
  
  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: qemu-system-x86 2.0.0+dfsg-2ubuntu1
  ProcVersionSignature: User Name 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  Date: Fri Jul 25 09:20:35 2014
  SourcePackage: qemu
  UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/bugs/1348551

Title:
  qemu-kvm upstart configuration from qemu-system-x86 relies on binary
  from qemu-kvm

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