linux-kernel - [lkp-robot] [X86/KVM] e79f245dde: kvm-unit-tests.vmx_MSR

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Message-ID: <20180504022947.GM6376@yexl-desktop>
Date:   Fri, 4 May 2018 10:29:47 +0800
From:   kernel test robot <xiaolong.ye@...el.com>
To:     KarimAllah Ahmed <karahmed@...zon.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: [lkp-robot] [X86/KVM]  e79f245dde: kvm-unit-tests.vmx_MSR_switch.fail


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

commit: e79f245ddec17bbd89d73cd0169dba4be46c9b55 ("X86/KVM: Properly update 'tsc_offset' to represent the running guest")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: kvm-unit-tests
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):


.[31mFAIL.[0m vmx_MSR_switch (4 tests, 1 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-4.16.0-rc4-00201-ge79f245" of type "text/plain" (166026 bytes)

View attachment "job-script" of type "text/plain" (4228 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (15676 bytes)

View attachment "kvm-unit-tests" of type "text/plain" (4411 bytes)

View attachment "job.yaml" of type "text/plain" (3573 bytes)

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