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Re: [Qemu-discuss] qemu -cpu host

From: akhilesh rawat
Subject: Re: [Qemu-discuss] qemu -cpu host
Date: Mon, 6 Feb 2017 16:45:02 +0530

thanks , but if you see the guest which was run as

qemu -cpu host

has auto generated model as SandyBridge in KVM process. 

 usr/libexec/qemu-kvm -name compute-0 -S -machine pc-i440fx-rhel7.0.0,accel=kvm,usb=off -cpu SandyBridge,+vme,+ds,+acpi,+ss,+ht,+tm,+pbe,+dtes64,+monitor,+ds_cpl,+vmx,+smx,+est,+tm2,+xtpr,+pdcm,+pcid,+dca,+osxsave,+arat,+xsaveopt,+pdpe1gb -m 61440

So now  running  "--cpu SandyBridge" will make any difference


On Mon, Feb 6, 2017 at 4:28 PM, Vincenzo Romano <address@hidden> wrote:
2017-02-06 11:36 GMT+01:00 akhilesh rawat <address@hidden>:
> processor    : 19
> vendor_id    : GenuineIntel
> cpu family    : 6
> model        : 42

Hmmm. your guest CPU is a different model form the host one.

Would you please:

- try forcing "SandyBridge" cpu (that'd be your Intel Xeon E312xx)
instead of host and
- check the "Recognized CPUID flags" from the output of
"qemu-system-x86_64 -cpu help" ?

Vincenzo Romano - NotOrAnd.IT
Information Technologies

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