idt_test in ubuntu_kvm_unit_tests failed on Trusty

[Sean Feole]

Trusty: 3.13.0-176.227 - generic

The following failure was found for SRU Cycle 2020.01.06

01/24 16:05:38 DEBUG| utils:0116| Running 'kvm-ok'
01/24 16:05:38 DEBUG| utils:0153| [stdout] INFO: /dev/kvm exists
01/24 16:05:38 DEBUG| utils:0153| [stdout] KVM acceleration can be used
01/24 16:05:38 DEBUG| utils:0116| Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/idt_test'
01/24 16:05:38 DEBUG| utils:0153| [stdout] BUILD_HEAD=e2c275c4
01/24 16:05:39 DEBUG| utils:0153| [stdout] timeout -k 1s --foreground 90s /usr/bin/qemu-system-x86_64 -nodefaults -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -machine accel=kvm -kernel /tmp/tmp.TKngNlI5kH -smp 1 # -initrd /tmp/tmp.oYZLivtXBH
01/24 16:05:40 DEBUG| utils:0153| [stdout] enabling apic
01/24 16:05:40 DEBUG| utils:0153| [stdout] Starting IDT test
01/24 16:05:40 DEBUG| utils:0153| [stdout] PASS: Testing #GP
01/24 16:05:40 DEBUG| utils:0153| [stdout] FAIL: Testing #GP rflags.rf
01/24 16:05:40 DEBUG| utils:0153| [stdout] PASS: Testing #UD
01/24 16:05:40 DEBUG| utils:0153| [stdout] PASS: Testing #UD rflags.rf
01/24 16:05:40 DEBUG| utils:0153| [stdout] SUMMARY: 4 tests, 1 unexpected failures
01/24 16:05:40 DEBUG| utils:0153| [stdout] FAIL idt_test (4 tests, 1 unexpected failures)
01/24 16:05:40 ERROR| test:0414| Exception escaping from test:
Traceback (most recent call last):
  File "/home/ubuntu/autotest/client/shared/test.py", line 411, in _exec
    _call_test_function(self.execute, *p_args, **p_dargs)
  File "/home/ubuntu/autotest/client/shared/test.py", line 823, in _call_test_function
    return func(*args, **dargs)
  File "/home/ubuntu/autotest/client/shared/test.py", line 291, in execute
    postprocess_profiled_run, args, dargs)
  File "/home/ubuntu/autotest/client/shared/test.py", line 212, in _call_run_once
    self.run_once(*args, **dargs)
  File "/home/ubuntu/autotest/client/tests/ubuntu_kvm_unit_tests/ubuntu_kvm_unit_tests.py", line 91, in run_once
    raise error.TestError("Test failed for {}".format(test_name))
TestError: Test failed for idt_test

[Thadeu Lima de Souza Cascardo (cascardo)]

Also fails on 3.13.0-187 and 3.13.0-188.