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[Jürg Häfliger <1923284@xxxxxxxxxxxxxxxxxx>]

** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1923284

Title:
  vmx_host_state_area / vmx_intr_window_test / vmx_nmi_window_test /
  vmx_hlt_with_rvi_test  fails with timeout on Bionic

Status in ubuntu-kernel-tests:
  Triaged
Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Bionic:
  Confirmed

Bug description:
  vmx_host_state_area / vmx_intr_window_test / vmx_nmi_window_test
  fails with timeout on Bionic 4.15.0-141.145  host rizzo

  this failed on the previous version of bionic   4.15.0-140.144 as
  well, so not a regression.

  
  vmx_host_state_area has an error before giving timeout:

  04/10 01:29:18 DEBUG|     utils:0153| [stderr] KVM: entry failed, hardware error 0x80000021
  04/10 01:29:18 DEBUG|     utils:0153| [stderr] 
  04/10 01:29:18 DEBUG|     utils:0153| [stderr] If you're running a guest on an Intel machine without unrestricted mode
  04/10 01:29:18 DEBUG|     utils:0153| [stderr] support, the failure can be most likely due to the guest entering an invalid
  04/10 01:29:18 DEBUG|     utils:0153| [stderr] state for Intel VT. For example, the guest maybe running in big real mode
  04/10 01:29:18 DEBUG|     utils:0153| [stderr] which is not supported on less recent Intel processors.
  04/10 01:29:18 DEBUG|     utils:0153| [stderr] 

  ....

  04/10 01:29:47 DEBUG|     utils:0153| [stderr] qemu-system-x86_64: terminating on signal 15 from pid 21956 (timeout)
  04/10 01:29:47 DEBUG|     utils:0153| [stdout] FAIL vmx_host_state_area (timeout; duration=30)

  
   vmx_intr_window_test / vmx_nmi_window_test shows passing until the timeout:

  28. 	04/10 01:29:49 DEBUG| utils:0153| [stdout] PASS: interrupt-window: active, RFLAGS.IF = 0: Activity state (0) is 'ACTIVE'
  29. 	04/10 01:30:19 DEBUG| utils:0153| [stderr] qemu-system-x86_64: terminating on signal 15 from pid 22161 (timeout)
  30. 	04/10 01:30:19 DEBUG| utils:0153| [stdout] FAIL vmx_intr_window_test (timeout; duration=30)
  31. 	04/10 01:30:19 ERROR| test:0414| Exception escaping from test:

  
  ------

  26. 	04/10 01:30:24 DEBUG| utils:0153| [stdout] PASS: NMI-window: active, blocking by NMI: #UD handler executed once (actual 1 times)
  27. 	04/10 01:30:53 DEBUG| utils:0153| [stderr] qemu-system-x86_64: terminating on signal 15 from pid 22570 (timeout)
  28. 	04/10 01:30:53 DEBUG| utils:0153| [stdout] FAIL vmx_nmi_window_test (timeout; duration=30)

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