gicv3-active from ubuntu_kvm_unit_tests failed on bionic arm64

gicv3-active from ubuntu_kvm_unit_tests failed on bionic 4.15.0-141.145 generic arm64 on host mcdivitt34-kernel

this is not a regression as it previously failed on 4.15.0-139.143 (though the prior version also had gicv3-ipi failing, which passed this time. This may be related to two other gicv3* failing tests reported in (gicv2-mmio-3p and gicv2-mmio-up):

https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1828026

03/25 17:29:31 DEBUG| utils:0116| Running 'kvm-ok'
03/25 17:29:31 DEBUG| utils:0153| [stdout] INFO: /dev/kvm exists
03/25 17:29:31 DEBUG| utils:0153| [stdout] KVM acceleration can be used
03/25 17:29:31 DEBUG| utils:0116| Running '/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/tests/gicv3-active'
03/25 17:29:31 DEBUG| utils:0153| [stdout] BUILD_HEAD=4671e4ba
03/25 17:29:32 DEBUG| utils:0153| [stdout] timeout -k 1s --foreground 90s /usr/bin/qemu-system-aarch64 -nodefaults -machine virt,gic-version=host,accel=kvm -cpu host -device virtio-serial-device -device virtconsole,chardev=ctd -chardev testdev,id=ctd -device pci-testdev -display none -serial stdio -kernel /tmp/tmp.6VZoxCQuyS -smp 8 -machine gic-version=3 -append active # -initrd /tmp/tmp.jXLDYsGhAx
03/25 17:29:32 DEBUG| utils:0153| [stdout] Unhandled exception ec=0 (UNKNOWN)
03/25 17:29:32 DEBUG| utils:0153| [stdout] Vector: 4 (el1h_sync)
03/25 17:29:32 DEBUG| utils:0153| [stdout] ESR_EL1: 02000000, ec=0 (UNKNOWN)
03/25 17:29:32 DEBUG| utils:0153| [stdout] FAR_EL1: 1de7ec7edbadc0de (not valid)
03/25 17:29:32 DEBUG| utils:0153| [stdout] Exception frame registers:
03/25 17:29:32 DEBUG| utils:0153| [stdout] pc : [<0000000040085d1c>] lr : [<0000000040085d54>] pstate: 600003c5
03/25 17:29:32 DEBUG| utils:0153| [stdout] sp : 00000000400bff70
03/25 17:29:32 DEBUG| utils:0153| [stdout] x29: 0000000000000000 x28: 0000000000000000
03/25 17:29:32 DEBUG| utils:0153| [stdout] x27: 0000000000000000 x26: 0000000000000000
03/25 17:29:32 DEBUG| utils:0153| [stdout] x25: 0000000000000000 x24: 0000000000000000
03/25 17:29:32 DEBUG| utils:0153| [stdout] x23: 0000000000000000 x22: 0000000008000000
03/25 17:29:32 DEBUG| utils:0153| [stdout] x21: 00000000400a12b0 x20: 0000000008000000
03/25 17:29:32 DEBUG| utils:0153| [stdout] x19: 000000000001869f x18: 00000000400c0000
03/25 17:29:32 DEBUG| utils:0153| [stdout] x17: 0000000000000000 x16: 0000000000000000
03/25 17:29:32 DEBUG| utils:0153| [stdout] x15: 00000000400bfeac x14: 00000000400c0000
03/25 17:29:32 DEBUG| utils:0153| [stdout] x13: 00000000400bfe8c x12: 0000000000001670
03/25 17:29:32 DEBUG| utils:0153| [stdout] x11: 00000000400bfe60 x10: 00000000400bfe60
03/25 17:29:32 DEBUG| utils:0153| [stdout] x9 : ffffff80ffffffd8 x8 : 00000000400bfe30
03/25 17:29:32 DEBUG| utils:0153| [stdout] x7 : 000000000000003a x6 : 0000000000000003
03/25 17:29:32 DEBUG| utils:0153| [stdout] x5 : 00000000400a12c0 x4 : 00000000400a12b0
03/25 17:29:32 DEBUG| utils:0153| [stdout] x3 : 0000000000000000 x2 : 00000000080b040c
03/25 17:29:32 DEBUG| utils:0153| [stdout] x1 : 000000000000ffff x0 : 00000000000000f0
03/25 17:29:32 DEBUG| utils:0153| [stdout]
03/25 17:29:32 DEBUG| utils:0153| [stdout] FAIL gicv3-active
03/25 17:29:32 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 80, in run_once
    raise error.TestError("Test failed for {}".format(test_name))
TestError: Test failed for gicv3-active