Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

e: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM > Halts > > > > On 21/02/17 00:18, Gonglei (Arei) wrote: > >> > >> On 20/02/2017 12:54, Gonglei (Arei) wrote: > >>>> On 20/02/2017 10:19, Gonglei (Arei) wrote: > >>>>> Hi Paolo,

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

On 21/02/17 00:18, Gonglei (Arei) wrote: On 20/02/2017 12:54, Gonglei (Arei) wrote: On 20/02/2017 10:19, Gonglei (Arei) wrote: Hi Paolo, On 16/02/2017 02:31, Gonglei (Arei) wrote: And the below patch works for me, I can support max 255 vcpus for WS2012 with hyper-v enlightenments. dif

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

> > > On 20/02/2017 12:54, Gonglei (Arei) wrote: > >> > >> On 20/02/2017 10:19, Gonglei (Arei) wrote: > >>> Hi Paolo, > >>> > > > On 16/02/2017 02:31, Gonglei (Arei) wrote: > > And the below patch works for me, I can support max 255 vcpus for > >> WS2012 > > with hyper-v en

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

On 20/02/2017 12:54, Gonglei (Arei) wrote: >> >> On 20/02/2017 10:19, Gonglei (Arei) wrote: >>> Hi Paolo, >>> On 16/02/2017 02:31, Gonglei (Arei) wrote: > And the below patch works for me, I can support max 255 vcpus for >> WS2012 > with hyper-v enlightenments. > >

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

> > On 20/02/2017 10:19, Gonglei (Arei) wrote: > > Hi Paolo, > > > >> > >> > >> On 16/02/2017 02:31, Gonglei (Arei) wrote: > >>> And the below patch works for me, I can support max 255 vcpus for > WS2012 > >>> with hyper-v enlightenments. > >>> > >>> diff --git a/target/i386/kvm.c b/target/i386/kv

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

On 20/02/2017 10:19, Gonglei (Arei) wrote: > Hi Paolo, > >> >> >> On 16/02/2017 02:31, Gonglei (Arei) wrote: >>> And the below patch works for me, I can support max 255 vcpus for WS2012 >>> with hyper-v enlightenments. >>> >>> diff --git a/target/i386/kvm.c b/target/i386/kvm.c >>> index 27fd050.

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

Hi Paolo, > > > On 16/02/2017 02:31, Gonglei (Arei) wrote: > > And the below patch works for me, I can support max 255 vcpus for WS2012 > > with hyper-v enlightenments. > > > > diff --git a/target/i386/kvm.c b/target/i386/kvm.c > > index 27fd050..efe3cbc 100644 > > --- a/target/i386/kvm.c > > ++

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

On 16/02/2017 02:31, Gonglei (Arei) wrote: > And the below patch works for me, I can support max 255 vcpus for WS2012 > with hyper-v enlightenments. > > diff --git a/target/i386/kvm.c b/target/i386/kvm.c > index 27fd050..efe3cbc 100644 > --- a/target/i386/kvm.c > +++ b/target/i386/kvm.c > @@ -77

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

On Thu, 2017-02-16 at 01:31 +, Gonglei (Arei) wrote: > Hi, > > > > > > > On Sat, 2017-02-11 at 10:39 -0500, Paolo Bonzini wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > On 10/02/2017 10:31, Gonglei (Arei) wrote: > > > > > > > > > > > > > > > > > > But We tested th

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

Hi, > > On Sat, 2017-02-11 at 10:39 -0500, Paolo Bonzini wrote: > > > > > > > > > > > > > > On 10/02/2017 10:31, Gonglei (Arei) wrote: > > > > > > > > > > But We tested the same cases on Xen platform and VMware, and > > > > > the guest booted successfully. > > > > > > > > Were these two also test

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

On Sat, 2017-02-11 at 10:39 -0500, Paolo Bonzini wrote: > > > > > > > > > > On 10/02/2017 10:31, Gonglei (Arei) wrote: > > > > > > > > But We tested the same cases on Xen platform and VMware, and > > > > the guest booted successfully. > > > > > > Were these two also tested with enlightenments

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

> > > On 10/02/2017 10:31, Gonglei (Arei) wrote: > > > But We tested the same cases on Xen platform and VMware, and > > > the guest booted successfully. > > > > Were these two also tested with enlightenments enabled? TCG surely isn't. > > About TCG, I just remove ' accel=kvm,' and 'hy_releaxed'

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

Hi Paolo, > > > On 10/02/2017 10:31, Gonglei (Arei) wrote: > > But We tested the same cases on Xen platform and VMware, and > > the guest booted successfully. > > Were these two also tested with enlightenments enabled? TCG surely isn't. > About TCG, I just remove ' accel=kvm,' and 'hy_releaxe

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

On 10/02/2017 10:31, Gonglei (Arei) wrote: > But We tested the same cases on Xen platform and VMware, and > the guest booted successfully. Were these two also tested with enlightenments enabled? TCG surely isn't. Paolo > Today I also tested on tcg, the guest also boots successfully. > > BTW,

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

Hi, > Behalf Of Yan Vugenfirer > > Hi, > > First off all to use more than 64 CPUs on Windows you should use CPU grouping. > Each group can contain maximum 64 CPUs. Here is a good article explaining > possible configurations: > https://msdn.microsoft.com/en-us/windows/hardware/drivers/devtest/boo

Re: [Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

Hi, First off all to use more than 64 CPUs on Windows you should use CPU grouping. Each group can contain maximum 64 CPUs. Here is a good article explaining possible configurations: https://msdn.microsoft.com/en-us/windows/hardware/drivers/devtest/boot-parameters-to-test-drivers-for-multiple-pro

[Qemu-devel] [Help] Windows2012 as Guest 64+cores on KVM Halts

Dear all: I try to boot windows2012R2 (more than 64 cores)on kvm platform with hyper-v on**. the guest halts on the starting time. Also tested in these cases: - boot sucess - boot sucess - boot sucess - boot failed - boot sucess(in Guest we can found 64) - boot failed Environment: GU