From: Peter Lieven <pl@dlhnet.de>
To: Avi Kivity <avi@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Gleb Natapov <gleb@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: [Qemu-devel] memtest 4.20+ does not work with -cpu host
Date: Mon, 10 Sep 2012 14:38:39 +0200 [thread overview]
Message-ID: <504DDF4F.8090502@dlhnet.de> (raw)
In-Reply-To: <504DDDDA.9040001@redhat.com>
On 09/10/12 14:32, Avi Kivity wrote:
> On 09/10/2012 03:29 PM, Peter Lieven wrote:
>> On 09/10/12 14:21, Gleb Natapov wrote:
>>> On Mon, Sep 10, 2012 at 02:15:49PM +0200, Paolo Bonzini wrote:
>>>> Il 10/09/2012 13:52, Peter Lieven ha scritto:
>>>>>> dd if=/dev/cpu/0/msr skip=$((0x194)) bs=8 count=1 | xxd
>>>>>> dd if=/dev/cpu/0/msr skip=$((0xCE)) bs=8 count=1 | xxd
>>>>> it only works without the skip. but the msr device returns all zeroes.
>>>> Hmm, the strange API of the MSR device doesn't work well with dd (dd
>>>> skips to 0x194 * 8 because bs is 8. You can try this program:
>>>>
>>> There is rdmsr/wrmsr in msr-tools.
>> rdmsr returns it cannot read those MSRs. regardless if I use -cpu host
>> or -cpu qemu64.
> On the host.
aaah ok:
#rdmsr -0 0x194
0000000000011100
#rdmsr -0 0xce
00000c0004011103
Peter
>
next prev parent reply other threads:[~2012-09-10 12:38 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-22 15:06 [Qemu-devel] memtest 4.20+ does not work with -cpu host Peter Lieven
2012-09-06 14:58 ` Avi Kivity
2012-09-10 11:06 ` Peter Lieven
2012-09-10 11:29 ` Paolo Bonzini
2012-09-10 11:47 ` Peter Lieven
2012-09-10 11:52 ` Peter Lieven
2012-09-10 12:15 ` Paolo Bonzini
2012-09-10 12:21 ` Gleb Natapov
2012-09-10 12:29 ` Peter Lieven
2012-09-10 12:32 ` Avi Kivity
2012-09-10 12:38 ` Peter Lieven [this message]
2012-09-13 7:53 ` Peter Lieven
2012-09-13 7:55 ` Paolo Bonzini
2012-09-13 7:57 ` Gleb Natapov
2012-09-13 8:00 ` Paolo Bonzini
2012-09-13 8:05 ` Gleb Natapov
2012-09-13 12:05 ` Peter Lieven
2012-09-13 12:42 ` Gleb Natapov
2012-09-13 12:56 ` Peter Lieven
2012-09-13 13:43 ` Gleb Natapov
2012-09-10 12:12 ` Avi Kivity
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