From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Ahern <dsahern@gmail.com>
Subject: Re: KVM entry failed, hardware error
Date: Tue, 05 Jun 2012 07:59:51 -0600
Message-ID: <4FCE10D7.8060707@gmail.com>
References: <4FCB55FE.2010808@gmx.de> <4FCB59A2.4020008@redhat.com> <4FCB6045.1050002@gmx.de> <4FCB69FE.80303@redhat.com> <4FCB8FFD.4020705@gmx.de> <20120604085331.GB23670@redhat.com> <4FCCFE4D.6060500@gmx.de>
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Cc: Gleb Natapov <gleb@redhat.com>, Avi Kivity <avi@redhat.com>,
	kvm@vger.kernel.org
To: Johannes Bauer <dfnsonfsduifb@gmx.de>
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On 6/4/12 12:28 PM, Johannes Bauer wrote:
> On 04.06.2012 10:53, Gleb Natapov wrote:
>> On Sun, Jun 03, 2012 at 06:25:33PM +0200, Johannes Bauer wrote:
>>> Therefore, I've uploaded the compressed trace.dat file, so you can maybe
>>> have a look why the "report" tool barfs and interpret it correctly. I
>>> can't figure it out. The trace is here:
>>>
>>> http://spornkuller.de/trace.dat.bz2
>>>
>> I can read this trace.
> Hm, weird. But good that it works on your side. I get a lot of:
>
> trace-cmd: No such file or directory
>    bad op token {
>    failed to read event print fmt for kvm_emulate_insn
> version = 6
> CPU 0 is empty
>

You need to install the plugins for trace-cmd:
make install_plugins

you could also try setting:
export TRACE_CMD_PLUGIN_DIR=/path/to/plugins

David