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Date: Tue, 19 Nov 2013 11:25:10 +0100
From: Peter Lieven <pl@kamp.de>
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Subject: Re: [Qemu-devel] [PULL 11/13] target-i386: forward CPUID cache
 leaves when -cpu host is used
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: qemu-devel@nongnu.org, Anthony Liguori <anthony@codemonkey.ws>, =?UTF-8?B?QmVub8OudCBDYW5ldA==?= <benoit@irqsave.net>

On 18.11.2013 17:11, Paolo Bonzini wrote:
> Il 18/11/2013 16:37, Peter Lieven ha scritto:
>>>
>>> If I specify: -smp 2,sockets=1,cores=2,threads=1 to a Windows 2012 R2
>>> Server it crashes
>>> at boot time. -smp 2 works.
>> for Linux /proc/cpuinfo reveals no cpu layout information (sibliings,
>> cores, threads etc.) with
>> this patch applied and a manual socket,core,thread configuration.
> What's the full command line?

~/git/qemu$ x86_64-softmmu/qemu-system-x86_64 -m 2048 -drive if=virtio,file=iscsi://172.21.200.45/iqn.2001-05.com.equallogic:0-8a0906-9d95c510a-344001d54795289f-2012-r2-1-7-0/0,format=raw,cache=writeback,aio=native -smp 2,cores=2,threads=1,sockets=1 -cpu 
host -monitor stdio -vnc :1 -enable-kvm -usb -usbdevice tablet -vga cirrus -global virtio-blk-pci.scsi=off  -serial null  -parallel null -boot c

With just -smp 2 it works. However, have a look at my other email I think there is a bug in smp_parse, because -smp 2 yields cpus=2,cores=1,threads=1,sockets=1 whereas I think cores should
be 2.

Peter