Re: [Qemu-devel] [Qemu-ppc] [PATCH v2] pseries: fix TCG migration

2017-11-28 Thread Bharata B Rao
On Wed, Nov 29, 2017 at 10:58:29AM +1100, Suraj Jitindar Singh wrote: > On Tue, 2017-11-28 at 18:43 +0100, Laurent Vivier wrote: > > Migration of pseries is broken with TCG because > > QEMU tries to restore KVM MMU state unconditionally. > > > > The result is a SIGSEGV in kvm_vm_ioctl(): > > > >

Re: [Qemu-devel] [Qemu-ppc] [PATCH v2] pseries: fix TCG migration

2017-11-28 Thread Suraj Jitindar Singh
On Tue, 2017-11-28 at 18:43 +0100, Laurent Vivier wrote: > Migration of pseries is broken with TCG because > QEMU tries to restore KVM MMU state unconditionally. > > The result is a SIGSEGV in kvm_vm_ioctl(): > > #0 kvm_vm_ioctl (s=0x0, type=-2146390353) > at qemu/accel/kvm/kvm-all.c:203

Re: [Qemu-devel] [Qemu-ppc] [PATCH v2] pseries: fix TCG migration

2017-11-28 Thread Suraj Jitindar Singh
On Tue, 2017-11-28 at 17:26 -0200, Daniel Henrique Barboza wrote: > > On 11/28/2017 03:43 PM, Laurent Vivier wrote: > > Migration of pseries is broken with TCG because > > QEMU tries to restore KVM MMU state unconditionally. > > > > The result is a SIGSEGV in kvm_vm_ioctl(): > > > >#0 kvm_v

Re: [Qemu-devel] [Qemu-ppc] [PATCH v2] pseries: fix TCG migration

2017-11-28 Thread Daniel Henrique Barboza
On 11/28/2017 03:43 PM, Laurent Vivier wrote: Migration of pseries is broken with TCG because QEMU tries to restore KVM MMU state unconditionally. The result is a SIGSEGV in kvm_vm_ioctl(): #0 kvm_vm_ioctl (s=0x0, type=-2146390353) at qemu/accel/kvm/kvm-all.c:2032 #1 0x0001