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From: | Peter Lieven |
Subject: | Re: [Qemu-devel] [PULL 11/13] target-i386: forward CPUID cache leaves when -cpu host is used |
Date: | Tue, 19 Nov 2013 11:25:10 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 |
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
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