[Bug 1366868] Re: kvm: dompmwakeup fails if domain becomes pmsuspended

[Chris J Arges]

** Description changed:

  [Impact]
  
  When using qemu/kvm/libvirt, if one suspends the VM using actual power
  suspending code, the guest cannot resume using 'virsh dompmwakeup'.
  
  [Test Case]
  
  1) Create a KVM VM and install Trusty using libvirt (although qemu alone will also exhibit this problem)
  2) Inside the vm run (as root): 'echo mem > /sys/power/state'
  3) From the hypervisor run 'virsh dompmwakeup <domain name>'
  4) The domain should resume
+ 
+ [Regression Potential]
+ Commit 2feb1258cbf77047e448a4a2736965d6010d8764 from seabios backported into trusty fixes the issue.

** Description changed:

  [Impact]
  
  When using qemu/kvm/libvirt, if one suspends the VM using actual power
  suspending code, the guest cannot resume using 'virsh dompmwakeup'.
  
  [Test Case]
  
  1) Create a KVM VM and install Trusty using libvirt (although qemu alone will also exhibit this problem)
  2) Inside the vm run (as root): 'echo mem > /sys/power/state'
  3) From the hypervisor run 'virsh dompmwakeup <domain name>'
  4) The domain should resume
  
  [Regression Potential]
- Commit 2feb1258cbf77047e448a4a2736965d6010d8764 from seabios backported into trusty fixes the issue.
+ Commit 40d020f56226aee7c75a6c29f471c4b866765732 from seabios backported into trusty fixes the issue.

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https://bugs.launchpad.net/bugs/1366868

Title:
  kvm: dompmwakeup fails if domain becomes pmsuspended

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