Ubuntu
qemu package

  1. Bug #1868692
  2. Comment #7

Comment 7 for bug 1868692

Revision history for this message
Christian Ehrhardt  (paelzer) wrote :

Q: Have I seen this crash appear and vanish by accident and is it still there with VMX flag not set? This uses the code that no more adds the VMX flag (and due to that doesn't enable it by default)

- qemu64
  - nested can't be used
- qemu64,vmx=on
  - nested can be used
  => Still Crashes!
- kvm64
  - nested can't be used
- kvm64,vmx=on
  - nested can be used
  - does not crash

So qemu64 has a deficiency (as intended by upstream) and is unable to run VMX.
Our former change adding the full VMX just had it set vmx=on in cmdline and due to that exposed the bug quicker. We need to identify the bug in qemu64 OR use this chance to stop our qemu64 to be different.