linux-kernel - Re: [PATCH 5.2 000/413] 5.2.3-stable review

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Message-ID: <CA+G9fYugOviC4W87AMFN3EfyXhSuEWitTX7t+v4G_EbhfQgLAg@mail.gmail.com>
Date:   Thu, 25 Jul 2019 18:56:20 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Anders Roxell <anders.roxell@...aro.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        sean.j.christopherson@...el.com, wanpengli@...cent.com,
        jmattson@...gle.com,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Shuah Khan <shuah@...nel.org>, patches@...nelci.org,
        lkft-triage@...ts.linaro.org,
        Ben Hutchings <ben.hutchings@...ethink.co.uk>,
        linux- stable <stable@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Guenter Roeck <linux@...ck-us.net>
Subject: Re: [PATCH 5.2 000/413] 5.2.3-stable review

> > Regressions (compared to build v5.2.2)
> > ------------------------------------------------------------------------
> >
> > x86:
> >   kvm-unit-tests:
> >     * vmx
> >
> >
> > TESTNAME=vmx TIMEOUT=90s ACCEL= ./x86/run x86/vmx.flat -smp 1 -cpu
> > host,+vmx -append \"-exit_monitor_from_l2_test -ept_access* -vmx_smp*
> > -vmx_vmcs_shadow_test\"
> > [  155.670748] kvm [6062]: vcpu0, guest rIP: 0x4050cb
...
> > [  158.479030] nested_vmx_exit_reflected failed vm entry 7
> > [  161.044379] set kvm_intel.dump_invalid_vmcs=1 to dump internal KVM state.
> > FAIL vmx (timeout; duration=90s)
> >
> > kernel-config: http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/intel-corei7-64/lkft/linux-stable-rc-5.2/14/config
> > Full log: https://lkft.validation.linaro.org/scheduler/job/836289#L1597
>
> Ick.
>
> Any chance you can run 'git bisect' to find the offending patch?  Or
> just try reverting a few, you can ignore the ppc ones, so that only
> leaves you 7 different commits.

We have started 'git bisect' please allow sometime.

> Does this same test pass in 5.3-rc1?

yes.
kvm-unit-tests: vmx test getting PASS on 5.3-rc1 mainline kernel [1].

ref:
[1] https://qa-reports.linaro.org/lkft/linux-mainline-oe/tests/kvm-unit-tests/vmx

- Naresh

>
> thanks,
>
> greg k-h