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From:   Vitaly Kuznetsov <vkuznets@redhat.com>
To:     Ahmed Soliman <ahmedsoliman@mena.vt.edu>
Cc:     Anders Roxell <anders.roxell@linaro.org>,
        Shuah Khan <shuah@kernel.org>, linux-kselftest@vger.kernel.org,
        Paolo Bonzini <pbonzini@redhat.com>,
        Peter Xu <peterx@redhat.com>, linux-kernel@vger.kernel.org,
        Andrew Jones <drjones@redhat.com>
Subject: Re: KVM selftests are failing
In-Reply-To: <CANBxJ=FDOpySC7w1fVbWCOy+ASO=A7WcsFiDJEcGtzWbYM6NqQ@mail.gmail.com>
References: <CANBxJ=EQOt1t=PkLsMvtfB2SbiLMPeGvFxB7SJXf7m3OkcionQ@mail.gmail.com> <20181114180807.6crs7awhvo26ldbr@hawk.localdomain> <CADYN=9Jh10guVNFfhS8XH+RwZAouLJQu7Svg4+Tz3rQDexzDkg@mail.gmail.com> <CANBxJ=G4xdF8ZOR4zyoX1edNa=jYxk1xrzoi+7Xgcqt9qDoM2w@mail.gmail.com> <CANBxJ=EB8izWM8iLd49Uvd1z1O-gLvkGmiKNHjfHifFohj2xbg@mail.gmail.com> <20181115090203.5z25gwa2yznj6mmu@kamzik.brq.redhat.com> <CANBxJ=EHkuxKFoQw=K21o=9_FMhi_=on=Poq+ZF37eieoKV4zg@mail.gmail.com> <20181115145028.qijg7hjswcuabrt2@kamzik.brq.redhat.com> <CANBxJ=EGR=7RrO8ZtJFUwpNZRy_adjCObNtWtcMA=y4rLgeWaQ@mail.gmail.com> <87efbmqore.fsf@vitty.brq.redhat.com> <CANBxJ=FDOpySC7w1fVbWCOy+ASO=A7WcsFiDJEcGtzWbYM6NqQ@mail.gmail.com>
Date:   Fri, 16 Nov 2018 14:36:54 +0100
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Ahmed Soliman <ahmedsoliman@mena.vt.edu> writes:

> Hello once again,
>
> I noticed that there is still more problems with kvmself test (at
> least on my machine)
>
> Any test that would successfully reach the guest's code immediately
> VMexit by a shutdown.
>
> $ ./vmx_tsc_adjust_test
> ==== Test Assertion Failure ====
>  x86_64/vmx_tsc_adjust_test.c:156: run->exit_reason == KVM_EXIT_IO
>  pid=8499 tid=8499 - Success
>     1  0x00005604f07bd36c: ?? ??:0
>     2  0x00007f5c0dc53ae6: ?? ??:0
>     3  0x00005604f07bd4b9: ?? ??:0
>  Got exit_reason other than KVM_EXIT_IO: 8 (SHUTDOWN)
>

Hm, this is weird. Do other KVM users, e.g. qemu work on this host? Are
you sure this happens on the first VCPU_RUN invocation?

Could you try doing 

trace-cmd record -e kvm  ./x86_64/vmx_tsc_adjust_test && trace-cmd report 

to see if there's anything suspicious?

-- 
Vitaly