linux-kernel - [KVM] db16e9b28b: kvm-unit-tests.pmu.fail

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Date:   Sun, 15 May 2022 17:22:17 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Like Xu <like.xu.linux@...il.com>
Cc:     0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>,
        lkp@...ts.01.org, Paolo Bonzini <pbonzini@...hat.com>,
        Jim Mattson <jmattson@...gle.com>,
        Sean Christopherson <seanjc@...gle.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org
Subject: [KVM]  db16e9b28b: kvm-unit-tests.pmu.fail



Greeting,

FYI, we noticed the following commit (built with gcc-11):

commit: db16e9b28b05f069d01b76886b683599fd7bbf4e ("[PATCH 2/3] KVM: x86/pmu: Don't pre-set the pmu->global_ctrl when refreshing")
url: https://github.com/intel-lab-lkp/linux/commits/Like-Xu/KVM-x86-pmu-Ignore-pmu-global_ctrl-check-if-vPMU-doesn-t-support-global_ctrl/20220509-182712
base: https://git.kernel.org/cgit/virt/kvm/kvm.git master
patch link: https://lore.kernel.org/kvm/20220509102204.62389-2-likexu@tencent.com

in testcase: kvm-unit-tests
version: kvm-unit-tests-x86_64-1a4529c-1_20220412
with following parameters:

	ucode: 0x28



on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790 v3 @ 3.60GHz with 6G memory

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):




If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>

2022-05-14 21:03:37 ./run_tests.sh
...
.[32mPASS.[0m msr (17 tests)
.[31mFAIL.[0m pmu 
.[32mPASS.[0m pmu_lbr (3 tests)
.[32mPASS.[0m pmu_emulation (4 tests)
...


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        sudo bin/lkp install job.yaml           # job file is attached in this email
        bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
        sudo bin/lkp run generated-yaml-file

        # if come across any failure that blocks the test,
        # please remove ~/.lkp and /lkp dir to run from a clean state.



-- 
0-DAY CI Kernel Test Service
https://01.org/lkp



View attachment "config-5.18.0-rc3-00041-gdb16e9b28b05" of type "text/plain" (166090 bytes)

View attachment "job-script" of type "text/plain" (5703 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (18608 bytes)

View attachment "kvm-unit-tests" of type "text/plain" (2819 bytes)

View attachment "job.yaml" of type "text/plain" (4601 bytes)

View attachment "reproduce" of type "text/plain" (16 bytes)