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[GuoqingJiang <2085821@xxxxxxxxxxxxxxxxxx>]

For 5.4.0-1046.49 linux-iot, there are also some similar failures when
run rt on riccioli instance [1].


FAIL: Expected #GP on WRMSR(x2APIC Self-IPI, 0x100), got vector 0
FAIL: Expected #GP on WRMSR(x2APIC Self-IPI, 0xff00), got vector 0
FAIL: Expected #GP on WRMSR(x2APIC Self-IPI, 0xff000000), got vector 0


[1] http://test-results.kernel/2025.01.13/focal/linux-iot/5.4.0-1046.49/sru-iot-metal-riccioli.amd64-ubuntu_kvm_unit_tests-log.html#msr-start

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https://bugs.launchpad.net/bugs/2085821

Title:
  msr from ubuntu_kvm_unit_tests failed with "FAIL: Expected #GP on
  WRMSR(x2APIC Self-IPI, 0x100), got vector 0"

Status in ubuntu-kernel-tests:
  New

Bug description:
  Issue found with 5.4.0-200.220 on newly added testflinger node "elroy"
  of cycle 2024.09.30

  There are 15 failures reported on this node, 12 of them are the "FAIL:
  Expected #GP on WRMSR(x2APIC MSR 0x83e, 0xffffffffffffffff), got
  vector 0" issue (lp:2047357)

  The other 3 of them are:
   FAIL: Expected #GP on WRMSR(x2APIC Self-IPI, 0x100), got vector 0
   FAIL: Expected #GP on WRMSR(x2APIC Self-IPI, 0xff00), got vector 0
   FAIL: Expected #GP on WRMSR(x2APIC Self-IPI, 0xff000000), got vector 0

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