rdtsc_vmexit_diff_test in ubuntu_kvm_unit_tests failed (FAIL: RDTSC to VM-exit delta too high in 100 of 100 iterations)
Bug #1932006 reported by
Po-Hsu Lin
This bug affects 2 people
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
ubuntu-kernel-tests |
New
|
Undecided
|
Unassigned |
Bug Description
Issue found in 5.11.0-1009-kvm
This is not a regression since the test was run with the latest hirsute-WIP branch, with upstream tip c986dbe867053 ("x86/vmx: skip error-code delivery tests for #CP").
This is a sub test in vmx, however the instruction intercept test will stop the whole vmx test (lp:1931956), it will need to be blacklisted first with "-instruction*" in x86/unittest.cfg to let vmx test to finish. Test log:
filter = -exit_monitor_
Test suite: rdtsc_vmexit_
FAIL: RDTSC to VM-exit delta too high in 100 of 100 iterations, last = 3748
FAIL: Guest didn't run to completion.
summary: |
rdtsc_vmexit_diff_test in vmx from ubuntu_kvm_unit_tests failed on - I-5.11 KVM + H-5.11 KVM |
description: | updated |
tags: | added: sru-20210906 |
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Found on Focal 5.4 amd4 with node rumford 5.4.0-81.91