linux-kernel - [lkp-robot] [KVM] 0367f205a3: kvm-unit-tests-qemu.vmx_instruction

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Date:   Tue, 26 Dec 2017 10:56:00 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Wanpeng Li <wanpeng.li@...mail.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>, lkp@...org
Subject: [lkp-robot] [KVM]  0367f205a3:
 kvm-unit-tests-qemu.vmx_instruction_intercept.fail


FYI, we noticed the following commit (built with gcc-7):

commit: 0367f205a3b7c0efe774634eef1f4697c79a4132 ("KVM: vmx: add support for emulating UMIP")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

in testcase: kvm-unit-tests-qemu
with following parameters:




on test machine: 88 threads Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz with 128G memory

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




2017-12-25 18:11:16 ./run_tests.sh
...
.[31mFAIL.[0m vmx_instruction_intercept (44 tests, 7 unexpected failures)
...


To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp install job.yaml  # job file is attached in this email
        bin/lkp run     job.yaml



Thanks,
Xiaolong

View attachment "config-4.15.0-rc3-00017-g0367f20" of type "text/plain" (163807 bytes)

View attachment "job-script" of type "text/plain" (4958 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (20124 bytes)

View attachment "kvm-unit-tests-qemu" of type "text/plain" (4111 bytes)

View attachment "job.yaml" of type "text/plain" (4233 bytes)

View attachment "reproduce" of type "text/plain" (19 bytes)